Temperature controller for heating (PN 25) AVT / VG - external thread AVT / VGF - flange
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1 Data sheet Temperature controller for heating (PN 25) AVT / VG - external thread AVT / VGF - flange Description AVT / VG AVT / VGF The AVT / VG(F) controller is a self-acting proportional temperature controller developed primarily for domestic hot water (DHW) production: - Hot water tanks - Storage charge systems - Instantaneous domestic hot water production (AVT 255 mm version) It can be used in mixing loops and room heating systems as well. Controller closes on rising temperature. The controller has a control valve VG(F), thermostatic actuator and handle for temperature setting. Thermostatic actuator consist of bellows, capillary tube and sensor. The temperature controller is type-tested according to EN and can be used in combinations with safety temperature monitors STM and safety temperature limiters STL. Main data: DN k VS 0,4-25 m 3 /h PN 25 Setting ranges: C / C / C / C and C / C / C / C Temperature: - Circ. water / glycolic water up to 30 %: C Connections: - Ext. thread (weld-on, thread and flange tailpieces) - Flange Flow and return mounting. Ordering VG, VGF valve Example: Temperature controller, DN 15; k VS 1,6; PN 25; setting range C; T max 150 C; ext. thread - 1 VG DN 15 valve Code No: 065B AVT thermostatic actuator, C Code No: Option: - 1 Weld-on tailpieces Code No: 003H6908 Picture DN k VS (mm) (m 3 /h) Connection Code No. 0,4 065B0770 1,0 065B ,6 G ¾ A 065B0772 2,5 065B0773 4,0 Cylindrical external thread acc. to 065B ,3 ISO 228 / 1 G 1 A 065B ,0 G 1¼ A 065B ,5 G 1¾ A 065B G 2 A 065B G 2½ A 065B ,0 065B ,3 065B ,0 065B0782 Flanges PN 25, acc. to EN ,5 065B B B0785 DEN-SMT/SI VD.JK.A3.02 Danfoss 04/2013 1
2 Ordering (continuous) AVT thermostatic actuator Picture 1) conic male thread EN ) without immersion pocket For valves DN DN DN Setting range ( C) Temperature sensor with brass immersion pocket, length, connection Code No mm, R ½ 1) mm, R ¾ 1) ) 2) 255 mm, R ¾ Accessories for valves Picture Type designation DN Connection Code No H H6909 Weld-on tailpieces H H H H R ½ 003H R ¾ 003H6903 External thread tailpieces 25 Conical ext. thread acc. to EN R 1 003H R 1¼ 003H R 1½ 065F R 2 065F H6915 Flange tailpieces 20 Flanges PN 25, acc. to EN H H6917 Accessories for thermostats Picture Type designation PN For valves Material Code No. Immersion pocket 25 DN Brass ) Stainless steel, mat. No ) DN Brass ) Stainless steel, mat. No ) Combination piece K2 003H6855 Combination piece K3 003H6856 1) Not for AVT thermostatic actuator code numbers: , , , Service kits Picture Type designation DN (mm) k VS (m 3 /h) Code No. 0,4 003H6869 1,0 003H ,6 003H6871 Valve insert 2,5 003H6872 4,0 003H ,3 003H ,0 003H / 40 / / 16 / 20 / H6876 for sensors Code No. Housing of sensor stuffing box AVT R ½ AVT R ¾ VD.JK.A3.02 Danfoss 04/2013 DEN-SMT/SI
3 Technical data Valves Nominal diameter DN k VS value m 3 /h 0,4 1,0 1,6 2,5 4,0 6, / 20 1) 20 / 25 1) Stroke mm Control ratio > 1:50 Control characteristic Cavitation factor z 0,6 0,55 0,5 Leakage acc. to standard IEC 534 % of k VS 0,02 0,05 Nominal pressure PN 25 Max. differential pressure bar linear Medium Circulation water / glycolic water up to 30% Medium ph Min. 7, max. 10 Medium temperature C Connections Materials Valve body valve tailpieces thread External thread - Flange Weld-on and external thread Flange - Red bronze CuSn5ZnPb (Rg5) Ductile iron EN-GJS LT (GGG 40.3) flange - Ductile iron EN-GJS LT (GGG 40.3) Valve seat Stainless steel, mat. No Valve cone Sealing Dezincing free brass CuZn36Pb2As EPDM Pressure relieve system Piston 1) Flange valve body Thermostatic actuator Setting range X s C / / / / / / Time constant T acc. to EN s max. 50 (170 mm, 210 mm), max. 30 (255 mm) Gain K s mm / K 0,2 (170 mm), 0,3 (210 mm), 0,7 (255 mm) Max. adm. temperature at sensor 50 C above maximum setpoint Max. amb. temperature at sensor C 0 70 Nominal pressure sensor Nominal pressure immersion pocket Capillary tube length Materials Temperature sensor PN 25 5 m (170 mm, 210 mm), 4 m (255 mm) Cooper Ms design Brass, nickel-plated Immersion pocket 1) Stainless steel design Mat. No (170 mm), mat. No (210 mm) Handle for temp. setting Scale carrier 1) for sensor 170 and 210 mm Polyamide, glass fiber-reinforced Polyamide Application principles DEN-SMT/SI VD.JK.A3.02 Danfoss 04/2013 3
4 Combinations Example: Temperature controller with safety temperature monitor, DN 15; k VS 1,6; PN 25; setting range C; T max 150 C; ext. thread - 1 VG DN 15 valve Code No: 065B AVT thermostatic actuator, C Code No: STM thermostat, C Code No: K2 combination piece Code No: 003H6855 Products will be delivereed separatly Note: For safety temperature monitor STM / VG(F) data and safety temperature limiter STLV data see relevant data sheet. AVT / VG - temperature controller AVT / AVT / VG - two temperature controllers STM / AVT / VG - temperature controller with safety temperature monitor STM / AVT / AVT / VG - two temperature controllers with safety temperature monitor Installation positions Temperature controller Temperature controller AVT / VG(F) can be installed in any position. 4 VD.JK.A3.02 Danfoss 04/2013 DEN-SMT/SI
5 Installation positions (continuous) Temperature sensor The place of installation must be chosen in a way that the temperature of the medium is directly taken without any delay. Avoid overheating of temperature sensor. The temperature sensor must be immersed into the medium in its full length. Temperature sensors 170 mm R ½ and 210 mm R ¾ - The temperature sensor may be installed in any position. Temperature sensor 255 mm R ¾ - The temperature sensor must be installed as shown on the picture. Pressure temperature diagram EN-GJS LT (GGG 40.3) PN 25 CuSn5ZnPb (Rg5) PN 25 working area Maximum allowed operating pressure as a function of medium temperature (according to EN and EN ). DEN-SMT/SI VD.JK.A3.02 Danfoss 04/2013 5
6 Valve sizing Given data: P max = 14 kw t = 20 K p v = 0,15 bar P max - heating power (kw) t -temperature difference (K) p v - differential pressure across the valve Maximum flow Q max (m 3 /h) through the valve is calculated according to formula: P max 0, ,86 Qmax t 20 Q max = 0,6 m 3 /h k v value is calculated according to formula: Qmax 0, 6 k v p 0, 1 5 V k v = 1,5 m 3 /h Chosen k VS = 1,6 m 3 /h or read from the sizing diagram by taking a line through Q scale (0,6 m 3 /h) and p v scale (0,15 bar) to intersect k v -scale at 1,5 m 3 /h Chosen k VS = 1,6 m 3 /h Solution: The example selects 1) ext. thread valve VG DN 15, k VS value 1,6 or 2) flange valve VGF DN 15, k VS value 1,6 6 VD.JK.A3.02 Danfoss 04/2013 DEN-SMT/SI
7 Design 1. Valve VG(F) 2. Valve insert 3. Pressure relieved valve cone 4. Valve stem 5. Union nut 6. Thermostatic actuator AVT 7. Thermostat stem 8. Bellows 9. Setting spring for temperature control 10. Handle for temperature setting, prepared for sealing 11. Scale carrier 12. Capillary tube 13. Flexible protected pipe (only at AVT 255 mm) 14. Temperature sensor 15. Immersion pocket 16. Sensor stuffing box 17. Housing of sensor stuffing box AVT 255 AVT 170 AVT 210 Function Medium temperature changes cause pressure changes in temperature sensor. Resulting pressure is being transferred through the capillary tube to the bellows. Bellows moves thermostat stem and opens or closes the valve. By increasing of medium temperature valve cone moves towards the seat (valve closes), by decreasing of medium temperature valve cone moves away from the seat (valve opens). Handle for temperature setting can be sealed. Settings Temperature setting Temperature setting is being done by the adjustment of the setting spring for temperature control. The adjustment can be done by means of handle for temperature setting and/or temperature indicators. Adjustment diagram Temperature setting Relation between scale numbers 1-5 and closing temperature. Note: The values given are approximate AVT Thermostat mm, 210 mm AVT Thermostat mm DEN-SMT/SI VD.JK.A3.02 Danfoss 04/2013 7
8 Dimensions L 1 L H 2 H H H 1 H 2 H 3 L L L H 2 H 1 H H 1 H 2 H 2 H H 150 Ø 76 AVT DN L L 1 H H 1 H 2 H 3 mm Note: other flange dimensions - see table for tailpieces Type Weight sensor 170 mm 1,3 sensor 210 mm kg 1,5 sensor 255 mm 1,6 L H 1 H 1 VG DN VG DN VGF DN VGF DN VG DN L H H1 H2 Weight (kg) mm , , , , , ,8 VGF DN L H H1 H2 Weight (kg) mm , , , , , ,1 Note: other flange dimensions - see table for tailpieces 8 VD.JK.A3.02 Danfoss 04/2013 DEN-SMT/SI
9 Dimensions (continuous) L 1 d 2 L 3 L 2 SW 25 (R ½) SW 27 (R ¾) M 20 1 (R ½) M 22 1 (R ¾) d R k DN R 1) SW d L 1 2) L 2 L 3 k d 2 n mm 15 1/2 32 (G 3/4A) /4 41 (G 1A) (G 11/4A) /4 63 (G 1¾A) /2 70 (G 2A) (G 2½A) ) Conical ext. thread acc. to EN ) Flanges PN 25, acc. to EN Ø 16 Ø 19 Ø 16 Ø 9,5 Ø SW 17 M SW 22 R ½ SW 22 M SW 27 R ¾ SW 22 R ¾ AVT 170 AVT 170 Immersion pocket AVT 210 AVT 210 Immersion pocket AVT R ½; R ¾ 26 (R ½) 30 (R ¾) Housing of sensor stuffing box Combination piece K2 Combination piece K3 DEN-SMT/SI VD.JK.A3.02 Danfoss 04/2013 9
10 10 VD.JK.A3.02 Danfoss 04/2013 DEN-SMT/SI
11 DEN-SMT/SI VD.JK.A3.02 Danfoss 04/
12 12 VD.JK.A3.02 Produced by Danfoss A/S 04/2013
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Cast Iron Valves Product Information It s all at Albion ART 77-78 Cast Iron Ball Valve Flanged Ends Flange Mounting PN16 Only ISO 5211 Direct Mount (Not 200mm) Art 77/78 Plated Brass/Stainless Ball BS
Series 240 Pneumatic Control Valve Type and Type Globe Valve Type 3241
Series 240 Pneumatic Control Valve Type 3241-1 and Type 3241-7 Globe Valve Type 3241 Application Control valve for process engineering and industrial applications Nominal size DN 15 to 300 Nominal pressure
ARI-STEVI 423 / 463 Pneumatic actuator ARI-DP 34-34T. Electric actuator ARI-PREMIO 5-25 kn ARI-PREMIO-Plus 2G 5-25 kn
ARI-STEVI 423 / 463 (DN200-300) Control valve - 3-way-form (mixing/diverting valve) (optional with screwed seat ring) With pneumatic and electric actuators ARI-STEVI 423 / 463 Pneumatic actuator ARI-DP
Series 240 Pneumatic Control Valve Type and Type Globe Valve Type 3241
Series 240 Pneumatic Control Valve Type 3241-1 and Type 3241-7 Globe Valve Type 3241 Application Control valve for process engineering and industrial applications Nominal size 15 to 300 Nominal pressure
Electric Flanged PN16 Cast Iron Ball Valve
Electric actuator direct mounted Type: E4813BS Electric actuator fitted via kit Main J3 Smart electric actuator features: LED light for continual visual actuator status feedback. Fully weatherproof smart
VAG RIKO Plunger Valve
VAG Control Valves VAG RIKO Plunger Valve Self-lubricating bearing in the piston rod Closed bearing sealed with O-rings, bronze bearing bushes on both sides External profile sealing ring Self-locking worm
Series 240 Type 3351 Pneumatic On/off Valve
Series 240 Type 3351 Pneumatic On/off Valve Application Shut-off valve with tight shut-off for liquids, gases and vapors according to DIN or ANSI standards Valve size DN 15 to 100 NPS ½ to 4 Pressure rating
V5825B. Small Linear Valve / PN25 DH Compact Valve. FEATURES Pressure-balanced k vs m 3 /hr Normally-closed valve
V5825B Small Linear Valve / PN25 DH Compact Valve FEATURES Pressurebalanced k vs 1.0...10 m 3 /hr Normallyclosed valve PRODUCT DATA Supplied with manual adjustment cap for startup Small size Threaded and
VALFONTA PRESSURE REGULATOR WITHOUT AUXILIARY ENERGY EXCESS PRESSURE VALVE (PRESSURE RELIEF VALVE) MODEL S1 MAIN CHARACTERISTICS
PRESSURE REGULATOR WITHOUT AUXILIARY ENERGY EXCESS PRESSURE VALVE (PRESSURE RELIEF VALVE) MODEL S1 MAIN CHARACTERISTICS The S1 model is self-operated bellows sealed pressure excess valve. This series of
Control valves with electric actuators up to 90 C PN
Features Suitable for the control of hot and chilled water (0...+90 C) in drinking water systems Valves with DVGW test mark reg. no. DW-6340BP0198 acc. latest German Drinking Water Ordinance (TrinkwV 2001)
4-way Distribution Valve
4-way Distribution Valve for one- and two-pipe systems Product specification sheet Application 4-way distribution valves are used to connect supply and return of a radiator to the corresponding pipes of
Series 240 Type and Type Pneumatic Control Valves Type 3244 Three-way Valve
Series 240 Type 3244-1 and Type 3244-7 Pneumatic Control Valves Type 3244 Three-way Valve DIN and ANSI versions Application Mixing or diverting valve for process engineering and industrial applications
Valve bodies with pressfit connection and self-sealing tailpiece. Type RA-N for two pipe systems
Valve bodies with pressfit connection and self-sealing tailpiece. Type RA-N for two pipe systems EN 215 Application Straight Angle Horizontal angle The valve bodies with pressfit connection are used for
Angle Seat Valve 7010
Angle Seat Valve 7 DN 8 up to DN 8 PN 16 - PN Pneumatically operated angle seat valve for the control of neutral, slightly aggressive and highly aggressive media. Compact design Unaffected by lightly contaminated
DESCRIPTION 9.4 G 3/4"M
DESCRIPTION Six-way ballvalve for HVAC 4 pipes applications to automatically carry out the winter-summer change-over or, potentially, to manage radiant ceilings, fan coils and chilled beams. DIMENSIONS
2-Port Seat Valves with Flange, PN 25
OEM 2-Port Seat Valves with Flange, PN 25 VVF52...E Spheroidal cast iron EN-GJS-400-8-LT valve body DN 5...40 k vs 0.63 25 m 3 /h Can be equipped with SQX E- motoric or SKD E- or SKB - electrohydraulic
Angle Seat Valve 7010
Angle Seat Valve 7 DN 8 up to DN 8 PN 16 - PN 4 Pneumatically operated angle seat valve for the control of neutral, slightly aggressive and highly aggressive media. Compact design Unaffected by lightly
Lined Butterfly Valve Pfeiffer Type BR 10a
Lined Butterfly Valve Pfeiffer Type BR 10a Application Tight closing, double eccentric butterfly valve with PTFE lining for process engineering and plants with industrial requirements, especially suitable
2- and 3-port valves with flanged connections, PN 16
4 404 VXF43.. ACVATIX 2- and 3-port valves with flanged connections, PN 16 From the large-stroke valve line VXF43.. High-performance valves for medium temperatures from -20 220 C Valve body of nodular
Rotary Plug Valve BR 23e
PTFE-lined Rotary Plug Valve BR 23e Application: PTFE-lined rotary plug valve for aggressive media, especially due to high demands in chemical plants: Nominal diameter: DN 25, DN 50, DN 80 and NPS1, 2,
ANSI version. The valve closes when the differential pressure rises
Self-operated Regulators Series 42 Differential Pressure Regulator with Type 2424/Type 2428 Actuator and Type 2422 Valve Type 42-24 A Type 42-24 B Type 42-28 A Type 42-28 B ANSI version Application For
Angle Seat Control Valve 7020
Angle Seat Control Valve 72 DN 8 up to DN 8 PN 4 Pneumatically operated control valves for neutral through to highly aggressive media. Integrated positioner Compact design All parts contacting the fluid
Thermo. operated water valve Type WVTS
Data sheet Thermo. operated water valve Type WVTS Thermo. operated water valve type WVTS is suitable for controlling the temperature of a flow of water or neutral brine. WVTS opens on rising sensor temperature