Table of Contents. CALPEX district heating pipe. 1.0 Table of Contents
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1 district heating pipe 1.0 Table of Contents 1.0 Table of Contents 1.1 System description System description (general) System description (data) Long-term behaviour/lifetime calculation UNO/DUO range, heating 6 bar structure, dimensions, materials, weights and delivery lengths UNO/DUO range, sanitary 10 bar structure, dimensions, materials, weights and delivery lengths QUADRIGA range, heating 6 bar, sanitary 10 bar structure, dimensions, materials, weights and delivery lengths 1.2 Planning, design engineering Pressure loss chart, heating, 6 bar Pressure loss chart, sanitary, 10 bar Heat loss, heating, 6 bar Heat loss, sanitary, 10 bar Heat loss, heating 6 bar, sanitary 10 bar, QUADRIGA Planning and connection technology, heating strip, sanitary, 10 bar 1.3 Components House entry bend 90, heating 6 bar, UNO and DUO House entry bend 90, sanitary 10 bar, UNO and DUO House entry bend 90, heating 6 bar, sanitary 10 bar, QUADRIGA L-shell, DN 20 - DN Big L-shell, DN 65 - DN Joint (PE-HD shrink sleeve), DN 20 - DN I-shell, DN 20 - DN Big I-shell, DN 65 - DN T-shell, DN 20 - DN Big T-shell, DN 65 - DN T-joint, dimension DN 125/DN Y-pipe, heating, 6 bar Distribution chamber, dimensions DN 20 - DN Distribution chamber, installation for dimensions DN 20 - DN Concrete protective plate for distribution shaft Insulation material, PE foam (DN 20 - DN 100), PUR foam containers (DN 20 - DN 150) Screwed connectors, outer thread, weld end Screwed connectors, coupling: equal, reduced Screwed connectors, T-piece Compression connectors, thread, weld end with sliding sleeve Compression connectors, coupling, angle 90 with sliding sleeve Compression T-piece, with sliding sleeve Electro-fusion joint, dimensions DN 65 - DN End cap, standard, shrinkable Wall sealing ring, for wall openings Building entry, wall opening/core bore Wall seal, core bores/cement pipe liners Building entry, core bores/cement pipe liners Pipe warning tape 1.5 Underground construction, installation Pipe routing Trench dimensions Connection (rigid/flexible), plastic casing pipe House entry, screwed connector, shaft entry, fixed point forces House connection, compression joint, shaft entry, fixed point forces Installation of house entry Installation tool, general and for screwed connector Installation tool, for joint with sliding sleeves Heating strip, sanitary, 10 bar, drawing in, sensor, joint
2 district heating pipe System description General district heating pipe is the registered trade name for a flexible pipe system from Brugg Pipe Systems, specifically designed for the low temperature use. It is ideal for use in small and midsize district and local heating networks, in industrial and agricultural applications, for drinking water supplies, sewage systems, cooling systems and swimming pool installations. district heating pipe has a carrier pipe made of cross-linked polyethylene, PEXa. This material was selected because of its excellent thermal and mechanical properties. It is a corrosion-proof and chemically resistant material. The product is free of harmful substances, making it exceptionally environment-friendly. The PEXa pipe in the heating series is equipped with an oxygen diffusion barrier (EVOH). The thermal insulation is CFC-free flexible rigid polyurethane foam with excellent insulation values. The bending capability of district heating pipe means that it is generally possible to pass over or under existing supply pipes and obstacles can be easily bypassed. 2. Range of applications Heating, pipe series 5 (SDR 11): Max. temp. for continuous operation T Bmax: 80 C Max. permitted operating temp. T max: 95 C (fluctuating) Max. permitted operating pressure p: 6 bar see sheet Sanitary, pipe series 3.2 (SDR 7.4): Max. temp. for continuous operation T Bmax: 80 C Max. permitted operating temp. T max: 95 C (fluctuating) Max. permitted operating pressure p: 10 bar see sheet With district heating pipe, users can choose the shortest pipe route without the restrictions required by the classical method of pipe construction. The flexible district heating pipe is delivered to the site continuously in coils or on a cable drum. Long delivery lengths enable pipes to be laid in the ground largely without joints. This means that the pipe trench can be considerably narrower. This in turn allows considerable savings on underground work, especially as regards DUO pipes. Taking account of the very short time required for installation, district heating pipe is not only the technically ideal solution but also the key to saving time and expense when setting up district heating networks; less co-ordination is required on site and the pipes are laid simply and quickly. The physical properties of the PEXa pipe combined with the composite insulation mean that thermal expansion can be ignored when using this product. Installing the connecting pieces is very simple. The joints are fitted quickly and reliably with conventional screwed connectors, compression joints or electro-fusion joints. The wide range of accessories ensures that solutions can be chosen for every possible situation.
3 district heating pipe System description Carrier pipe Materials Basic material: High-density polyethylene (PE-HD), peroxide cross-linked (PEXa), colour: natural Bonding agent PE-modified, heat-stabilized, colour: red (heating), white (sanitary) Oxygen barrier layer Ethylene / vinyl alcohol (EVOH), heat-stabilized, colour: natural Requirements As per DIN / DIN and E DIN EN , pipes in series 3.2 as per DVGW worksheet W 544 Impermeability to oxygen As per DIN 4729 at 40 C, oxygen permeability based on the interior pipe volume as per DIN 4726 from 0.10 g / (m 3 x d) Pipe series DIN Series 5 (SDR 11): for heating (with EVOH barrier) Series 3.2 (SDR 7.4): for sanitary (without EVOH barrier) Long-term behaviour See catalog sheet Properties Unaffected by aggressive water; low pressure losses; very good chemical and mechanical resistance PEXa carrier pipe Reference temperature C Value Test standard Density kg/m 3 DIN Thermal conductivity W/mK DIN Tensil strength N/mm 2 DIN Tensil strength N/mm 2 DIN Modulus of elasticity N/mm 2 DIN Modulus of elasticity N/mm 2 DIN Linear expansion coefficient E-4 1/K - Linear expansion coefficient E-4 1/K - Crystallite melting range C - Chem. resistance 20 / 40 / 60 - DIN 8075 B.1 2. Thermal insulation Materials: heating CFC-free, cyclopentane-blown polyurethane foam (PUR) with l 50 value of W/mK. sanitary CFC-free, 100 % CO 2 -blown polyurethane foam (PUR) with l 50 value of W/mK. PUR insulation Reference temperature C heating sanitary Test standard Density - > 60 kg/m 3 > 60 kg/m 3 ISO 845 Thermal conductivity W/mK W/mK EN 253 and ISO 8497 Percentage of closed cells - 90 % 90 % - Water absorption after 24 hours - 10 % 10 % EN Protective casing Materials: Purpose: linear polyethylene, low density (LLD-PE), seamlessly extruded mechanical protection and moisture resistance LLD-PE protective casing Reference temperature C Value Test standard Density kg/m 3 ISO 1183 Thermal conductivity W/mK DIN Crystallite melting range C ISO
4 district heating pipe Long-term behaviour Lifetime calculation Operating temperature: Heating, (pipe series 5 SDR 11) Sanitary (pipe series 3.2 SDR 7.4) C Operating pressure (bar) Operating pressure (bar) 1 year 10 years 25 years 50 years 1 years 10 years 25 years 50 years MPA = 10 bar Values extrapolated Values extrapolated Long-term behaviour (Table) The values have a safety factor of 1.25 and are based on a series of measurements covering an average of 32,000 hours. They can be compared with Table 5 as per DIN All values have been tested and confirmed by the competent organizations in various countries. A typical fluctuating temperature distribution for the flow in a district heating system gives an average temperature/year of approx. 66 C. Lifetime calculation using Miner's Rule If the PEXa pipe system is operated with alternating temperatures T1 Tn, the operating period D can be calculated using the following formula: D = 1 (f1/d1 + f2/d2 + f3/d3 + + fn/dn) Example of lifetime calculation The basis is a typical temperature collective over one year, with fluctuating operation. 1 year = 365 days = 8760 hours. Temperature Flow T1 65 C T2 70 C T3 75 C T4 80 C T5 85 C T6 90 C T7 95 C Calculated lifetime: Operating hours f hours f hours f hours f hours f hours f hours f7 600 hours Pressure Dn* bar Years years years years years years years years *Values from table interpolated D = D1 Dn = f1 fn = lifetime in years for operation with alternating temperatures between T1 Tn Maximum lifetime in years for operation with constant temperatures T1 Tn and pressure Proportionate operating periods at constant temperatures T1 Tn D = / / / / / / / = The calculated lifetime for the operating parameters mentioned in the table is 47 years. A safety factor of 1.25 is incorporated in this calculation.
5 district heating pipe CALPEX UNO/DUO range Heating, 6 bar in coils: Dimensions: DN 20 - DN UNO DUO PEXa carrier pipe PUR foam PE foil LLD-PE casing in straight lengths: Dimensions: DN 150 s d D s d D s1 PEXa carrier pipe PE-HD casing pipe heating, 6 bar, UNO Type DN Inches PEX carrier pipe Outer casing Minimum Volume Weight Maximum delivery lengths d x s D x s1 bending radius carrier pipe Jumbo coil Maxi coil mm mm m l/m kg/m m m 25/ ¾ 25 x x / x x / ¼ 40 x x / ½ 50 x x / x x / ½ 75 x x / x x / x x / x x / x x / x x heating, 6 bar, DUO Type DN Inches PEX carrier pipe Outer casing Minimum Volume Weight Maximum delivery lengths d x s D x s1 bending radius carrier pipe Jumbo coil Maxi coil mm mm m l/m kg/m m m / x ¾ 2 x 25 x x x / x 1 2 x 32 x x x / x 1¼ 2 x 40 x x x / x 1½ 2 x 50 x x x / x 2 2 x 63 x x x We will produce different dimensions or special items on request (> 500 m). - Larger or smaller delivery lengths can be supplied on drums if requested. - Coil dimensions: Jumbo coil outer diameter 2800 mm x 800 mm (width) Maxi coil outer diameter 2800 mm x 1200 mm (width)
6 district heating pipe CALPEX UNO/DUO range Sanitary, 10 bar s d D s1 UNO DUO PEXa carrier pipe PUR foam PE foil LLD-PE casing Heating strip channel (HBK) (see sheets 1.225, 1.540) 18 sanitary, 10 bar, UNO Type DN Inches PEX carrier pipe Outer casing Minimum Volume Weight Maximum delivery lengths d x s D x s1 bending radius carrier pipe Jumbo coil Maxi coil mm mm m l/m kg/m m m 22/ x x / ¾ 28 x x / x x / ¼ 40 x x / ½ 50 x x / x x /111 HBK x x /126 HBK 32 1¼ 40 x x /126 HBK 40 1½ 50 x x sanitary, 10 bar, DUO Type DN Inches PEX carrier pipe Outer casing Minimum Volume Weight Maximum delivery lengths d x s D x s1 bending radius carrier pipe Jumbo coil Maxi coil mm mm m l/m kg/m m m / ¾ x x x / x x x / ¼ + ¾ 40 x x x / ½ x x x We will produce different dimensions or special items on request (> 500 m). - Larger or smaller delivery lengths can be supplied on drums if requested. - Coil dimensions: Jumbo coil outer diameter 2800 mm x 800 mm (width) Maxi coil outer diameter 2800 mm x 1200 mm (width)
7 district heating pipe CALPEX QUADRIGA range Heating 6 bar, sanitary 10 bar s D d s1 PEXa carrier pipe PUR foam PE foil LLD-PE casing, heating 6 bar, sanitary 10 bar, QUADRIGA Type H /S /142 H /S /142 H /S /142 H /S /162 DN Inches ¾ ¾ ¾ ¾ ¼ 1¼ 1¼ ¾ Carrier pipe d x s mm 25 x x x x x x x x x x x x x x x x 4.0 Outer casing D x s1 mm 143 x x x x 3.2 Minimum bending radius m Volume carrier pipe l/m Weight kg/m Maximum delivery length Jumbo coil Maxi coil m m We will produce different dimensions or special items on request (> 500 m). - Larger or smaller delivery lengths can be supplied on drums if requested. - Coil dimensions: Jumbo coil outer diameter 2800 mm x 800 mm (width) Maxi coil outer diameter 2800 mm x 1200 mm (width)
8 district heating pipe Pressure loss chart Heating, 6 bar Water temperature 80 C Surface roughness ε = mm (PEXa) (1 mmws = 9.81 Pa) ṁ Q 860 T ṁ = Flow rate in kg/h Q = Power requirement in kw T = Temperature difference VL (flow)/rl (return) in C Q [kw] Mass flow rate ṁ [kg/h] m/s Water velocity 0.4 m/s 0.5 m/s 0.75 m/s 1.0 m/s 1.5 m/s 160/130.8 mm (DN 150, 6 ) 3.0 m/s 2.0 m/s 4.0 m/s 125/102.2 mm (DN 125, 5 ) 110/90.0 mm (DN 100, 4 ) 90/73.6 mm (DN 80, 3 ) 75/61.4 mm (DN 65, 2½ ) 63/51.4 mm (DN 50, 2 ) 50/40.8 mm (DN 40, 1½ ) 40/32.6 mm (DN 32, 1¼ ) 32/26.2 mm (DN 25, 1 ) 25/20.4 mm (DN 20, ¾ ) T 30 C 20 C Pressure loss p [Pa/m] /h]
9 district heating pipe Pressure loss chart Sanitary, 10 bar Water temperature 60 C Surface roughness ε = mm (PEXa) (1 mmws = 9.81 Pa) ṁ Q 860 T ṁ = Flow rate in kg/h Q = Power requirement in kw T = Temperature difference VL (flow)/rl (return) in C Q [kw] Mass flow rate ṁ [kg/h] Water velocity 0.3 m/s 0.4 m/s 0.5 m/s 0.75 m/s 1.0 m/s 1.5 m/s 2.0 m/s 3.0 m/s 63/45.6 mm (DN 50, 2 ) 50/36.2 mm (DN 40, 1½ ) 40/29.0 mm (DN 32, 1¼ ) 32/23.2 mm (DN 25, 1 ) 28/20.0 mm (DN 20, ¾ ) 22/16.0 mm (DN 16, 5 8 ) T 30 C 20 C Pressure loss p [Pa/m]
10 district heating pipe Heat loss Heating, 6 bar UNO Heat losses q [W/m] for one UNO pipe UNO U-value Average operating temperature T B [ C] [W/mK] / / / / / / / / /182 PLUS / / a = 0.1 m H = 0.6 m T E E DUO (flow and return in one pipe) Heat losses q [W/m] for one DUO pipe DUO U-value Average operating temperature T B [ C] [W/mK] / / / / / RL (return) VL (flow) H = 0.6 m T E E Type of installation, UNO: Type of installation, DUO: Pipe distance: Cover above pipe: Ground temperature: Soil conductivity: Conductivity of PUR foam: Conductivity of PEX pipe: Conductivity of PE pipe: 2-pipe, laid in the ground 1-pipe, laid in the ground a = 0.10 m H = 0.60 m T E = 10 C l E = 1.2 W/mK lpu = W/mK lpexa = 0.38 W/mK lpe = 0.33 W/mK Heat loss during operation: q = U (T B -T E) [W/m] U = Heat transfer coefficient [W/mK] T B = Average operating temperature [ C] T E = Average ground temperature [ C] VL = Flow RL = Return
11 district heating pipe Heat loss Sanitary, 10 bar UNO Heat losses q [W/m] for one UNO pipe UNO U-value Average operating temperature T B [ C] [W/mK] / / / / / / /111 HBK /126 HBK /126 HBK H = 0.6 m T E E DUO Heat losses q [W/m] for one DUO pipe DUO U-value Average operating temperature T B [ C] [W/mK] / / / / RL (return) VL (flow) H = 0.6 m T E E Type of installation, UNO: Type of installation, DUO: Cover above pipe: Ground temperature: Soil conductivity: Conductivity of PUR foam: Conductivity of PEX pipe: Conductivity of PE pipe: 1-pipe, laid in the ground 1-pipe, laid in the ground H = 0.60 m T E = 10 C l E = 1.2 W/mK lpu = W/mK lpexa = 0.38 W/mK lpe = 0.33 W/mK Heat loss during operation: q = U (T B -T E) [W/m] U = Heat transfer coefficient [W/mK] T B = Average operating temperature [ C] T E = Average ground temperature [ C]
12 district heating pipe Heat loss Heating 6 bar, sanitary 10 bar, QUADRIGA QUADRIGA Heat losses q [W/m] for one QUADRIGA pipe QUADRIGA U-value Average operating temperature T B [ C] [W/mK] H /S / H /S / H /S / H /S / H = 0.6 m T E E Type of installation for QUADRIGA: Cover above pipe: Ground temperature: Soil conductivity: Conductivity of PUR foam: Conductivity of PEXa pipe: Conductivity of PE pipe: 1-pipe, laid in the ground H = 0.60 m T E = 10 C l E = 1.2 W/mK lpu = W/mK lpex = 0.38 W/mK lpe = 0.33 W/mK Heat loss during operation: q = U (T B -T E) [W/m] U = Heat transfer coefficient [W/mK] T B = Average operating temperature [ C] T E = Average ground temperature [ C] QUADRIGA - heat loss during operation Example of calculation for average operating temperature T B [ C] Flow - heating: 70 C Return - heating: 40 C Flow - sanitary: 60 C Return - sanitary: 50 C T B = = 55 C 4
13 district heating pipe Planning and connection technology Heating strip, sanitary, 10 bar 1. Requirements for heating strip 1.1 Minimum power Type UNO 32/111 40/126 50/126 In relation to a maintained temperature of: 40 C 50 C 5.8 W/m 7.8 W/m 6.3 W/m 8.3 W/m 7.3 W/m 10.3 W/m 60 C 9.6 W/m 10.4 W/m 12.8 W/m 1.2 Recommendations for heating strip Hot water: HWAT-R from Tyco Thermal Controls N.V. meets the requirement for Ø 50/126, 60 C Automatic power adjustment with HWAT-ECO Frost protection: FS-B-2X from Tyco Thermal Controls N.V. requires thermostat with temperature sensor, UTR15 Max. heating circuit length in relation to a cut-in temperature of 12 C (HWAT) or 0 C (FS-B-2X) Heating strip type Fuse HWAT-R 13 A 16 A 20 A FS-B-2X 10 A 16 A Length Lmax 60 m 80 m 100 m 65 m 105 m Fuse protection using automatic cutouts with characteristic C 2. Joint L Lmax* Through connection Supply Through connection L Lmax* Separation of heating strip End closure Supply Supply 3. T-branch Supply End closure Supply Through connection Through connection End closure L Lmax* L Lmax* For the T-branch, note that the sum of two connected pipes must not be > Lmax*. T-switches cannot be supplied. * Lmax = max. permitted length for heating strip The heating strip and the accessories are installed by the electrician!
14 district heating pipe House entry bend, 90 Heating 6 bar, UNO and DUO Bend, 90 DN 20 - DN 125 (PEXa) 1100 UNO DUO Bend, 90 DN 150 (St 37.0) With welded-on compression coupling A Figures in mm UNO Type DN Inches PEX carrier pipe Outer casing Volume Weight d x s D x s1 carrier pipe mm mm l/m kg/unit 25/ ¾ 25 x x / x x / ¼ 40 x x / ½ 50 x x / x x / ½ 75 x x / x x / x x / x x / x x / x x DUO Type DN Inches PEX carrier pipe Outer casing Volume Weight d x s D x s1 carrier pipe mm mm l/m kg/unit / x ¾ 2 x 25 x x x / x 1 2 x 32 x x x / x 1¼ 2 x 40 x x x / x 1½ 2 x 50 x x x / x 2 2 x 63 x x x
15 district heating pipe House entry bend, 90 Sanitary, 10 bar, UNO and DUO Bend, 90 DN 16 - DN 50 (PEXa) 1100 UNO DUO 1600 A Figures in mm UNO Type DN Inches PEX carrier pipe Outer casing Volume Weight d x s D x s1 carrier pipe mm mm l/m kg/unit 22/ x x / ¾ 28 x x / x x / ¼ 40 x x / ½ 50 x x / x x DUO Type DN Inches PEX carrier pipe Outer casing Volume Weight d x s D x s1 carrier pipe mm mm l/m kg/unit / ¾ x x x / x x x / ¼ + ¾ 40.0 x x x / ½ x x x
16 district heating pipe House entry bend, 90 Heating 6 bar, sanitary 10 bar, QUADRIGA Bend, 90 DN 16 - DN 50 (PEXa) Figures in mm QUADRIGA Type DN Inches PEX carrier pipe Outer casing Volume Weight d x s D x s1 carrier pipe mm mm l/m kg/unit H25+25/S28+22/ ¾ 25 x x ¾ 25 x ¾ 28 x x H32+32/S28+22/ x x x ¾ 28 x x H32+32/S32+22/ x x x x x H40+40/S40+28/ ¼ 40 x x ¼ 40 x ¼ 40 x ¾ 28 x
17 district heating pipe CALPEX L-shell Dimensions DN 20 - DN 50 (Ø mm) d d2 376 Figures in mm L-shell, UNO/DUO Outer casing Ø d2 Ø d x 91 x 111 x 126 x shells are freely reducible from Ø 126 mm to Ø 76 mm shells are not suitable for use with QUADRIGA (distribution chamber: see 1.350). Structure of the half-shell 1 ABS half-shells 2 PEX angle coupling; see Sealing clamps (14 pcs.) 4 Insulation material; see Glued surface 6 Reduction ring or sealing ring
18 district heating pipe CALPEX Big L-shell Dimensions DN 65 - DN 125 (Ø mm) d d2 Figures in mm 508 Big L-shell, UNO/DUO Outer casing Ø d2 Ø d x 162 x 182 x Big-shells are freely reducible from Ø 182 mm to Ø 76 mm shells are not suitable for use with QUADRIGA (distribution chamber: see 1.350). Structure of the half-shell 1 ABS half-shells 2 PEX angle coupling; see Sealing clamps (22 pcs.) 4 Insulation material; see Glued surface 6 Reduction ring or sealing ring
19 district heating pipe Joint using PE-HD shrink sleeve Dimensions DN 20 - DN joint reduction joint Insulated steel pipe 1 2 d1 d1 d1 d2 d2 d2 Insulated steel pipe 1 PEX coupling; see sheet Insulation material, PUR or PE; see sheet Shrink sleeve pipe 4 Shrink hose Installation note: Weld on 1 CALPEX Insulated steel pipe 2 Install - Ø d x x 91 x x 111 x x Ø d1 126 x x 142 x x 162 x x 182 x x 250 x to insulated steel pipe Ø d x x x 91 x x x x 111 x x x x Ø d1 126 x x x x 142 x x x x 162 x x x x x x 182 x x x x x x 250 x x x
20 district heating pipe CALPEX I-shell Dimensions DN 20 - DN 50 (Ø mm) d1 d2 578 Figures in mm I-shell, UNO/DUO Outer casing Ø d2 Ø d x 91 x x 111 x x x 126 x x x x Structure of the half-shell 1 ABS half-shells 2 PEX coupling; see Sealing clamps (12 pcs.) 4 Insulation material; see Glued surface 6 Reduction ring or sealing ring
21 district heating pipe CALPEX Big I-shell Dimensions DN 65 - DN 125 (Ø mm) d1 d2 Figures in mm 752 Big I-shell, UNO/DUO/QUADRIGA Outer casing Ø d2 Ø d x 162 x x 182 x x x Big-shells are freely reducible from Ø 182 mm to Ø 76 mm Structure of the half-shell 1 ABS half-shells 2 PEX coupling; see Sealing clamps (22 pcs.) 4 Insulation material; see Glued surface 6 Reduction ring or sealing ring
22 district heating pipe CALPEX T-shell Dimensions DN 20 - DN 50 (Ø mm) d d1 d3 578 Figures in mm T-shell, UNO/DUO Outer casing Branch, Ø d2 Ø d1 - Ø d x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Structure of the half-shell 1 ABS half-shells 2 PEX T-piece; see Sealing clamps (16 pcs.) 4 Insulation material; see Glued surface 6 Reduction ring or sealing ring shells are not suitable for use with QUADRIGA (distribution chamber: see 1.350).
23 district heating pipe CALPEX Big T-shell Dimensions DN 65 - DN 125 (Ø mm) d d1 d3 752 Figures in mm Big T-shell, UNO/DUO Outer casing Branch, Ø d2 Ø d1 - Ø d x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Structure of the half-shell 1 ABS half-shells 2 PEX T-piece; see Sealing clamps (27 pcs.) 4 Insulation material; see Glued surface 6 Reduction ring or sealing ring shells are not suitable for use with QUADRIGA (distribution chamber: see 1.350).
24 district heating pipe T-joint Dimension DN 125 and DN A 2 Structure of T-joint 125/200 mm: Branch line, straight 160/250 mm: Branch line, angled 45 1 T-piece, insulated steel pipe (St 37.0) 2 Shrink-on hoop 3 Shrink sleeve pipe 4 In-situ PUR foam 5 CALPEX connector 6 CALPEX pipe View A 45 Insulated steel pipe T-joint, DN 150 Outer casing Branch, Ø d2 Ø d1 Ø d3 25/76 32/76 40/91 50/111 63/126 75/142 90/ / / / / / /200 x x x x x x x x x x 160/ /250 x x x x x x x x x x x We can supply T-pieces with different branches on request
25 district heating pipe Y-pipe Heating, 6 bar D UNO VL (flow) (right) VL (flow) (right) D C UNO RL (return) 300 C mind VL (flow) (bottom) 11 0 / +1 RL return 1800 DUO / 2 x UNO UNO pipes DN Ø D DUO pipe Ø C mm mm mm mm 2 x 25/ / x 32/ / x 40/ / x 50/ / x 63/ / Figures in mm View: A - A Note: With UNO pipe, in the direction of flow, the forward flow (VL) is always on the right and with DUO pipe, it is always at the bottom. KMR VL (flow) (right) VL (flow) (right) D KMR RL (return) 300 C mind VL (flow) (bottom) X RL (return) 1800 Figures in mm View: A - A Note: With UNO pipe, in the direction of flow, the forward flow (VL) is always on the right and with DUO pipe, it is always at the bottom. DUO / 2 x pre-insulated steel pipe (St 37.0) UNO pipes KMR DN Ø D DUO steel pipe X DUO pipe Ø C mm mm mm mm mm mm / / / / / / / / / /
26 district heating pipe Distribution chamber Dimensions DN 20 - DN 125 Distribution chamber for all joints (DN 20 - DN 125) The distribution chamber is used to cover and protect completed BRUGG pipe joints, shut-off valves or junction branches. The distribution chamber is a watertight structure made of polyethylene; its multi-functional design makes it possible to use one chamber type for all pipe dimensions (DN 20 - DN 125) Wall thickness approx. 8 mm 8 Figures in mm Ø Chamber exit Pipe dimensions (outer diameter) Ø outer, 206 x 8 mm Leadthrough for outer Ø Ø 182, 162* Ø outer, 166 x 8 mm Leadthrough for outer Ø Ø 142, 126* Ø outer, 136 x 8 mm Leadthrough for outer Ø Ø 111, 91*, 76* * with additional centering ring
27 district heating pipe Distribution chamber Installation for dimensions DN 20 - DN Two-part reduction ring 5 6 See installation instructions s Flat seal 29 x 12 M10 x
28 district heating pipe Protective concrete plate for distribution chamber Schematic diagram showing installation of cover plate Load The cover plate has to be used wherever there might be public traffic and for low-depth installations. The maximum load per unit of area must not exceed q = 153 kn/m² (SLW 60 to DIN 1055). Sand, compacted Cover plate ø Installation method Correct installation of the sand must be ensured so that the plate can perform its function as a load shield for the inspection chamber. A Proctor density of dpr = 96 % should be the target for compaction. For subsequent work on the inspection chamber, the cover plate has lifting eyes. After completing the work and refilling the pit, make sure that the infill between the inspection chamber and concrete slabs is restored correctly. Inspection chamber Filling/insulation material Some suggestions for filling and insulation materials that can be used are listed below: - Bulk polystyrene material - Armaflex or Tubolit - Foam using BRAG PUR foam canister Figures in cm Note There is no need to use filling material in the distribution shaft. Likewise, it is not essential to insulate the pipes! The decision is up to the customer. Armouring 3 17 x 10/20 1 Q 221 bottom 2 Q 131 top 4 3 x 12 6 Sand, compacted Inspection chamber 80 GOK Note The plate must be located so that it completely covers the chamber below (see illustration) ME Q131 top 1 Q221 bottom / continuous meters 10 1 Q 221 bottom 2 Q 131 bottom 3 17 x 10/20 mm (L = 0.5 m) Total length 8.5 m 4 3 x 12 mm (L = 0.85 m) Total length 2.55 m Figures in cm
29 district heating pipe Insulation material PE foam (DN 20 - DN 125), PUR foam container(s) (DN 20 - DN 150) Insulation material for shrink joints Polyethylene foam tube, (DN 20 - DN 125) Extruded pipe insulation made of closed-cell polyethylene, excellent for insulating shrink joints (not for shells). Various thicknesses of insulation are available for the most common pipe diameters. The insulation material (thickness and length) is supplied for the relevant joint types. The insulation must be fitted precisely into the joints on site. PE PUR foam for shrink joints and shells CFC-free, cyclopentane-blown PUR foam in plastic bottles The required quantity of CFC-free polyurethane foam is delivered in suitable container sizes for the various joints and T-pieces. The components are supplied separately in two bottles and are only mixed together when needed. Please note the safety regulations in the installation instructions supplied with the product. Safety regulations Protective goggles and gloves must be worn when using this product. Synthetic gloves Protective goggles
30 district heating pipe Screwed connectors Outer thread, weld end Connection with external thread Heating, 6 bar Sanitary, 10 bar Material: brass Material: brass PEX PEX pipe Screwed connector L PEX pipe Screwed connector L mm mm mm mm mm mm L 25 x x 2.3-¾ x x 3.0-¾ x x x x 4.0-¾ x x 3.7-1¼ x x x x 4.6-1½ x x 5.5-1¼ 67 PEX x x x x 6.9-1½ x x 6.8-2½ x x x x L 110 x x Connection with weld end St 37.0 PEX L St 37.0 PEX L Heating, 6 bar Material: brass / St 37.0 PEX pipe Weld end L mm mm mm 22 x x x x x x x x x x x x x x x x x x x x
31 district heating pipe Screwed connector Coupling: equal, coupling: reduced Coupling, equal Heating, 6 bar Sanitary, 10 bar L L PEX PEX Material: brass Material: brass PEX pipe Coupling L PEX pipe Coupling L mm mm mm mm mm mm 25 x x x x x x x x x x x x x x x x x x x x x x x x x x x x Coupling, reduced L L PEX PEX Heating, 6 bar Sanitary, 10 bar Material: brass Material: brass PEX pipe Coupling PEX pipe Coupling L mm mm mm mm mm 32 x 2.9 / 25 x / 25-¾ 32 x 4.4/28 x / 28-¾ x 3.7 / 32 x ¼ / x 5.5/32 x ¼ / x 4.6 / 40 x ½ /40-1¼ 50 x 6.9/40 x ½ / 40-1¼ x 5.8 / 50 x / 50-1½ 63 x 8.7/50 x / 50-1½ x 6.8 / 63 x ½ / x 8.2 / 75 x / 75-2 ½ x 10.0 / 90 x /
32 district heating pipe Screwed connectors T-piece d2 d2 d1 d3 d1 d3 PEX PEX Heating, 6 bar Material: brass Ø d1 Ø d3 Branch, Ø d2 mm mm 22 x x x x x x x x x x x x 3.0 x 25 x x 2.3 x 28 x x 4.0 x 32 x x 2.9 x x x x 32 x x 4.0 x 32 x x 2.3 x 40 x x 3.7 x x x x x 40 x x 2.9 x x x x 50 x x 4.6 x x x x x x 50 x x 3.7 x x x x x 63 x x 5.8 x x x x x x x 63 x x 4.6 x x x x x x 75 x x 6.8 x x x x x x x x 75 x x 5.8 x x x x x x x 90 x x 8.2 x x x x x x x x x 90 x x 6.8 x x x x x x x x 110 x x 10.0 x x x x x x x x x x 110 x x 8.2 x x x x x x x x x Other T-pieces can be supplied on request.
33 district heating pipe Compression connectors Outer thread, weld end Connector with external thread Heating, 6 bar Sanitary, 10 bar L Material: brass Material: brass PEX pipe Screwed connector L PEX pipe Screwed connector L mm mm mm mm mm mm 25 x x 2.3-¾ x x 3.0-¾ x x x x 4.0-¾ x x 3.7-1¼ x x x x 4.6-1½ x x 5.5-1¼ x x x x 6.9-1½ x x 6.8-2½ x x x x x x x x x x Connector with weld end L 1 L 2 St 37 Heating, 6 bar Material: Steel PEX pipe Weld end L1 L2 mm mm mm mm 22 x x x x x x x x x x x x x x x x x x x x x x x x
34 district heating pipe Compression connectors Coupling: equal, coupling: reduced, angle piece: Coupling L Heating, 6 bar Sanitary, 10 bar Material: brass Material: brass PEX pipe Coupling L PEX pipe Coupling L mm mm mm mm mm mm 25 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Coupling, reduced Heating, 6 bar Sanitary, 10 bar Material: brass*/steel Material: brass PEX pipe Coupling PEX pipe Coupling L mm mm mm mm mm 32 x 2.9/ 25 x / 25-¾ 32 x 4.4/28 x / 28-¾ x 3.7/ 32 x ¼ / x 5.5/32 x ¼ / x 4.6/ 40 x ½ / 40-1¼ 50 x 6.9/40 x ½ / 40-1¼ 97 L 63 x 5.8/ 50 x / 50-1½ 63 x 8.7/50 x / 50-1½ x 6.8/ 63 x ½ / x 8.2/ 75 x / 75-2½ x 10.0/ 90 x / x 11.4/110 x 10.1* / x 14.6/125 x 11.4* / Angle piece, 90 Heating, 6 bar Sanitary, 10 bar z Material: brass/*steel PEX pipe PEX pipe a z Material: brass PEX pipe PEX pipe a z mm mm mm mm mm mm mm mm 25 x x x x x x x x x x x x x x x x z a 63 x x x x x x x x x x x x x x 11.4* a
35 district heating pipe Compression connectors T-piece d2 d2 d1 d3 d1 d3 Brass/CrNi St Heating, 6 bar Ø d1 Ø d3 Branch, Ø d2 mm mm 25 x x x x x x x x x x x 2.3 o/x 32 x x 2.9 o/x o/x 32 x x 2.3 o/x 40 x x 3.7 o/x o/x o/x 40 x x 2.9 o/x¹ o/x¹ 50 x x 4.6 o/x o/x o/x o/x 50 x x 3.7 o/x o/x o/x¹ 63 x x 5.8 o/x o/x o/x o/x o/x 63 x x 4.6 o/+ o/x o/x o/x 75 x x 6.8 o/x o/x o/x o/x o/x o/x 75 x x 5.8 o/+ o/x o/+ o/x o/x 90 x x 8.2 o/+ o/x o/x o/+ o/x o/+ o/x 90 x x 6.8 o/+ o/+ o/+ o/+ o/+ o/+ 110 x x 10.0 o/+ o/x o/+ o/x o/x o/+ o/+ o/x 110 x x 8.2 o/+ o/+ o/+ o/+ o/+ o/+ o/+ 125 x x 11.4 o o o o o o o o o Sanitary, 10 bar Ø d1 Ø d3 Branch, Ø d2 mm mm 22 x x x x x x x x 3.0 x x 28 x x 4.0 x x x x 28 x x 3.0 x 32 x x 4.4 x x x x 32 x x 4.0 x x x x 40 x x 5.5 x x x x x 40 x x 3.0 x x x x 40 x x 4.0 x x x 50 x x 6.9 x x x x x 50 x x 5.5 x x x x x 50 x x 4.4 x x x x x 50 x x 4.0 x x x 63 x x 8.7 x x x x x x 63 x x 6.9 x x x x 63 x x 5.5 x x x x ¹ Soldered fittings - T-pieces made of steel can be supplied on request - Other T-pieces can be supplied on request. - Dimension DN 150 is supplied in prefabricated and pre-insulated form (see sheet 1.340). Material: x = Brass CuZn39Pb3 (DN 20 - DN 50), Gunmetal Rg7 (DN 65 - DN 100) o = St 37.0, welded + = CrNi , , (316L)
36 district heating pipe Electro-fusion joints Dimensions DN 65 - DN Coupling Heating, 6 bar Material: cross-linked polyethylene PEX pipe PEX pipe mm mm 75 x x x x x x x x x x 14.6 Transition sleeve/joint with thread (AG) Can be supplied on request Transition sleeve/joint, with flange Can be supplied on request Angle piece, 90 Heating, 6 bar Material: cross-linked polyethylene PEX pipe PEX pipe mm mm 75 x x x x x x x x 11.4 Only trained personnel, using suitable fusion equipment, may install the electro-fusion joints for PEXa connections.
37 district heating pipe End cap Standard, shrinkable Shrink-on end cap, UNO End cap, UNO (LD-PE) LD-PE end caps are fitted on; suitable for dry rooms Shrink-on end cap, DUO End cap, DUO (LD-PE) Shrink-on end cap, QUADRIGA End cap, QUADRIGA (LD-PE) A A View A View A UNO Type 22/ 76 25/ 76 28/ 76 32/ 76 32/111 HBK 40/ 91 40/126 HBK 50/111 50/126 HBK 63/126 75/142 90/ / /182 PLUS 125/ /250 DUO Type / / / / / / / /162 PLUS /182 PLUS QUADRIGA Type / / / / / / / /162
38 district heating pipe Wall sealing ring for wall openings Ø Da Ø Di 50 Figures in mm UNO, DUO, QUADRIGA Outer casing diameter Neoprene wall sealing ring Ø Di, inner Ø Da, outer mm mm mm Building entry (see sheet 1.415)
39 district heating pipe Building entry Wall opening Wall leadthrough PEX connection piece: see sheet or sheet approx. 80 mm 80 mm D End cap: see sheet pipe; see sheets 1.115, Wall seal: see sheet Wall opening Outer casing L min H min Ø D mm mm mm H D 100 D 80 Figures in mm L Core bores Outer casing A D1 min. 30 D1 Ø D mm mm mm A Figures in mm
40 district heating pipe Wall seal Core bores/cement liner pipes Standard With additional centering ring Outer side of 3basement Inner side of basement Outer side of basement 2 3 R D Inner side of basement R D Core bores Perfect bores are required for installation. As hairline cracks may be present in the concrete or result from drilling, it is advisable to seal the entire length of the borehole with suitable sealant (such as AQUAGARD). Tightness can only be guaranteed if this recommendation is followed. 1 district heating pipe 2 Seal set, single-seal 1 x 40 mm, Shore hardness D 35 3 Seal set, double-seal* 2 x 40 mm, Shore hardness D 35 4 Liner pipe: made of fibre cement or coated core bore * Suitable for pressure from water up to 0.5 bar Outer pipe Liner pipe, core bore Seal set Core bore Ø R Ø D Ø inner Ø mm mm mm mm Building entry (see sheet 1.425)
41 district heating pipe Building entry Core bores/cement pipe liners Wall leadthrough PEX connection piece: see sheet or mm pipe: see sheets 1.115, D End cap: see sheet Seal set: see sheet Core bores Outer casing D1 A min. 30 A D1 Figures in mm Ø D mm mm mm
42 district heating pipe Pipe warning tape pipe warning tape Pipe warning tape to be laid in the ground. Roll length: 250 m trench structure Pipe warning tape 2 Excavated material 3 Washed sand Installation depth; see sheet D T
43 district heating pipe Pipe routing Connection to insulated steel pipe B A Insulated steel pipe C Loop-in method connection A B D A C C D B E
44 district heating pipe Trench dimensions Trench profile, 2 pipes UNO DUO, QUADRIGA D T D T 10 D 10 D 10 B 10 D 10 B Figures in cm Casing pipe Width Depth Minimum Ø D B T bending radius mm cm cm m Casing pipe Width Depth Minimum Ø D B T bending radius mm cm cm m Trench profile, 4 pipes D T D 5 D T 10 D 10 D 10 D 10 D 10 B (4 x D + 5 x 10) 10 D 10 D 10 B Figures in cm 1 Pipe warning tape; see sheet Excavated material 3 Sand, washed, max. grain size 8 mm Installation depth: Max. installation depth: 2.6 m Our approval is required for installation at greater depths. SLW kn total load as per DIN 1072; if subject to higher traffic loads (e.g. SLW 60), a load-distributing superstructure as per RStO75 is required. With no traffic load, the minimum trench depth T can be reduced by 20 cm.
45 district heating pipe Connection (rigid/flexible) to insulated steel pipes Installation instructions for transition from to insulated steel pipe (KMR) 1. Junction with T-piece 2. Transition with fixed point DS I Rmin DK Joint/sleeve 2.0 m Insulated steel pipe I I Figures in m Joint/sleeve FP Insulated steel pipe Rmin DK T-shell Insulated steel pipe The transverse expansion l must not exceed the expansion that can be accommodated by junction pipe DS and the pipe. The thermal movement Δl of the insulated steel pipe cannot be compensated by the pipes. A fixed point must be installed. 3. Transition with Z-bend 4. Transition with expansion bend L1 2.5 L1 2.5 Joint/sleeve DK Joint/sleeve I Insulated steel pipe Insulated steel pipe L I FP Figures in m Static design of the Z-bend according to expansion variable l. DS = Expansion limb l = Thermal movement FP = Fixed point (plastic casing pipe) DK = Expansion pad If pipe length L or l is more than permitted for L1, a fixed anchor point must be installed. - Design of expansion components - Positioning of expansion pads as per the section on PREMANT
46 district heating pipe House entry, screwed connector Shaft entry, fixed point forces Connection with external thread Heating, 6 bar approx. 80 Figures in mm PEX pipe mm A mm max. 100 *A *80 25 x x x x x x x x Sanitary, 10 bar 22 x Fixed point PEX connecting piece with external thread: see sheet End cap: see sheet Wall sealing ring: see sheet pipe see sheets and x x x x x Connection with weld end Heating, 6 bar 1 Weld on approx. 80 Figures in mm PEX pipe B mm mm 25 x *B *80 32 x x x Install 63 x x x x PEX connecting piece with weld end: see Fixed point End cap: sheet see sheet * Dimensions can be reduced by max. 60 mm if end cap is walled in. Fixed point forces occurring heating, 6 bar Maximum fixed point forces occurring per pipe for: TB = 90 C, pb = 6 bar TB = 60 C, pb = 6 bar Type DN Fmax [N] Type DN Fmax [N] 25/ / / / / / / / / / / / / / / / sanitary, 10 bar Maximum fixed point forces occurring per pipe for: TB = 60 C, pb = 10 bar Type DN Fmax [N] 22/ / / / / /
47 district heating pipe House entry, compression joint Shaft entry, fixed point forces Connection with external thread Heating, 6 bar approx. 80 Figures in mm PEX pipe mm A mm max. 100 *A *80 25 x x x x x x x x x x Fixed point PEX connecting piece with external thread: see sheet End cap: see sheet Wall sealing ring: see sheet pipe: see sheets and Sanitary, 10 bar 22 x x x x x Connection with weld end 63 x Weld on approx. 80 Figures in mm Heating, 6 bar PEX pipe B 2 Install *B *80 mm mm 25 x x x x x x x PEX connecting piece with weld end: see sheet Fixed point End cap: see sheet x x x * Dimensions can be reduced by max. 60 mm if end cap is walled in. Fixed point forces occurring heating, 6 bar Maximum fixed point forces occurring per pipe for: TB = 90 C, pb = 6 bar TB = 60 C, pb = 6 bar Type DN Fmax [N] Type DN Fmax [N] 25/ / / / / / / / / / / / / / / / / / / / sanitary, 10 bar Maximum fixed point forces occurring per pipe for: TB = 60 C, pb = 10 bar Type DN Fmax [N] 22/ / / / / /
48 district heating pipe Installation of house entry UNO 4 DUO y x z 1 Align pipe and cut to length at right-angles. 2 Using pipe cutter or saw, cut through casing at distance X (UNO) or Z (DUO). UNO screwed connector House connection: DN 16-65: X = 90 mm DN : X = 140 mm Joint/sleeve: DN 16-65: X = 70 mm DN : X = 140 mm DUO screwed connector House connection: DN 16-40: Y = 80 mm DN 16-40: Z = 180 mm Joint/sleeve: DN 16-40: Y = 60 mm DN 16-40: Z = 160 mm UNO compression joint House connection: DN 16-40: X = 140 mm DN : X = 180 mm Joint/sleeve: DN 16-40: X = 110 mm DN : X = 140 mm DN : X = 150 mm DUO compression joint House connection: DN 16-40: Y,Z = 140 mm DN 50 Y,Z = 160 mm Joint/sleeve: DN 16-40: Y,Z = 110 mm DN 50 Y,Z = 140 mm 5 Using a knife blade to a maximum depth of 5 mm, split the casing. 6 Peel off the casing. 7 Cut back/remove the insulation along length X, (Z) Important: Do not scrape or score the outer surface of the carrier pipe! 8 Fit the wall sealing ring. Tighten the clamps (if present). 9 Carefully shrink on the pipe end closure according to the Raychem DHEC installation instructions which are enclosed in the package. 10 Install the fitting as per the enclosed installation instructions for BEULCO (screwed connector) or REHAU (compression joint).
49 district heating pipe Installation tools general and for screwed connector Cut to length and strip insulation Shrink procedure The saw is used to cut the casing pipe and the insulation The gas burner is used to shrink hoses and joints Knife to split casing and remove insulation Hammer as auxiliary tool It is recommended that gloves are worn for shrinking work. Fit of connection piece Cleaning products and cleaning cloths Pipe cutter for PEX pipe 24 mm Spanner wrench 25 mm flat bit for cutting filler hole
50 district heating pipe Installation tools for press fit joints Manual tool for PEX Ø mm (packed in one case) Expander tool, up to Ø 32 mm (basic tool) Press tool, up to Ø 40 mm Expander tool for Ø 40 mm (basic tool) Case with basic tool including head and yoke Expander head, up to Ø 32 mm Expander head, over Ø 40 mm Press yoke, Ø mm Hydraulic tool for PEX Ø mm (packed in two cases) Hydraulic press and expander tool Ø mm including foot pump (basic tool) Case with basic tool (without heads and yoke) Expander head Ø mm Press yoke Ø 50, 63 mm Reducer Ø 75/90 mm for yoke, Ø 110 mm Case with expander heads and press yoke Electro-hydraulic tool for PEX Ø mm (packed in two cases) Hydraulic press and expander tool Ø mm including foot pump (basic tool) Case with basic tool (without heads and yoke) Expander head Ø mm Press yoke Ø 160 mm Reducer Ø 125 mm for yoke, Ø 160 mm Case with expander heads and press yoke
51 district heating pipe Heating strip, sanitary, 10 bar Drawing in, sensor, joint Pulling through the heating strip Glass fibre wire Detail A Heating strip 1. Unroll the pipe so that it is straight, next to the trench (without bends). See also Shorten the casing and cut back the channel. From one end, push the glass fibre wire (ø 6.5 mm) through the channel. The heating strip can be pushed in for straight lengths of up to 30 m. 2. Connect the heating strip or pull cord to the wire (drill a hole in the strip) and pull through the heating strip. 2. Installation of the temperature sensor for frost protection The temperature sensor has to be installed on the carrier pipe, opposite the heating strip. It must be installed at the coldest point of the pipe (outside the building). For this purpose, cut open an area of the casing measuring 10 x 7 cm and peel it off, cut open 10 x 7 cm of foam, fix the temperature sensor onto the carrier pipe with adhesive tape, fill the hole with the insulation material supplied, apply filling adhesive S1113 below and above the temperature sensor cable (see Detail B), and seal with the sealing set. approx. 10 cm Temperature sensor cable approx. 7 cm Shrink hose Filling adhesive, S 1113, 60 mm long Shrink hose Temperature sensor Detail B Detail C 3. Remove the insulation Shorten the casing by 120 mm and cut off the exposed channel. approx. 120 mm Detail D 4. Joint Through connection L Lmax* Feed in from one end Separate of heating strips L > Lmax* Feed in from both end (each strip Lmax) 250 mm 300 mm Heating strip (HWAT-R; FS-B-2X) Heating strip joint (S-06 for HWAT-R and FS-B-2X) Heating strip (HWAT-R; FS-B-2X) End closure (E-03 for HWAT-R and FS-B-2X) Detail E Detail F Protect the heating strip against moisture * Lmax = max. permitted length for heating strip The heating strip and the accessories are supplied and installed by the electrician!
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