Two- and three way valves VFG.. / VFGS 2 / VFU.. for self-acting thermostats and electrical actuators

Transcription

1 for self-acting thermostats and electrical actuators Description VFG 2 VFG 21 (see pages 2, 3, 4) Valves for heating, district heating and cooling systems. The valves can be used with following actuators: Thermostats AFT.. Actuators AMV(E) 655, 658, 659 (from Q4 2014) Main data: DN T max 200 C 2-way valve (Normaly Open) Media: circulation water and glycolic water up to 30% Cone: VFG 2 metal/metal sealing VFG 21 soft sealing Pressure relieved VFGS 2 (see pages 5, 6) Main data: DN T max 350 C 2-way valve (Normaly Open) Media: steam Cone: metal/metal sealing Pressure relieved VFG 33 (see pages 6, 7) Main data: DN T max 200 C Media: circulation water and glycolic water up to 30% mixing pressure balanced valve Cone: metal/metal sealing VFU 2 (see page 7, 8) Main data: DN T max 150 C 2-way valve (Normaly Close) Media: circulation water and glycolic water up to 30% Cone: metal/metal sealing Pressure relieved Danfoss VD.H.I3.02 1

2 Ordering (VFG Cone: metal /metal sealing, pressure relieved. Picture DN Connections T max Code No. T max Code No. (mm) (m 3 /h) ( C) PN 16 ( C) PN 25 PN , , , Flanges acc. to EN On request On request On request for detailed temperature limits refer to pressure/temperature diagram pg 9 Technical data (VFG Nominal diameter DN value (m 3 /h) 4 6, z value acc. to VDMA ,6 0,6 0,6 0,55 0,55 0,5 0,5 0,45 0,4 0,35 0,3 0,2 0,2 PN AFT PN 25, PN AMV(E) 655, 658, 659 (from Q4 2014) 4) PN 25, Nominal pressure PN 16, 25 flanges to EN or 40, flanges to EN Flow media/temperature Pressure balance Valve body material PN 16 Circulation water / Glycolic water up to 30 % / thermo oil / C PN 25, 40 Circulation water / Glycolic water up to 30 % / thermo oil / C PN 16 PN 25 Stainless steel bellow, mat. No Grey cast iron EN-GJ-250 (GG-25) Ductile iron EN-GJS T (GGG-40. PN 40 Cast steel GP240GH (GS-C 25) Rolling diaphragm Cone material Stainless steel, mat. No mat. No Seat material Stainless steel, mat. No mat. No In combination with actuators AMV(E), values are higher if Y60 piece is removed from valve. Above operating pressure of 14 bar use of valve stem extension ZF4, ZF6 or combination piece KF2 is necessary. In order the actuator can close at max differential pressure flow velocity musn t exceed 2 m/s. 4) With adapter: Danfoss VD.H.I3.02

3 Design (VFG 1. Valve body 2. Valve seat 3. ellows 4. Valve insert 5. Diaphragm 6. Valve body extension 7. Shut off valve for water filling 8. Closing plug VFG 2 DN VFG 2 DN VFG 2 DN , T max 200 C Ordering (VFG 2 Cone: soft sealing, pressure relieved. Picture DN Connections T max Code No. (mm) (m 3 /h) ( C) PN , , , Flanges acc. to EN VD.H.I3.02 Danfoss

4 Technical data (VFG 2 Nominal diameter DN DN value (m 3 /h) 4 6, z value acc. to VDMA ,6 0,6 0,6 0,55 0,55 0,5 0,5 0,45 0,4 0,35 0,3 0,2 0,2 PN PN AMV(E) 655, 658, 659 (from Q4 2014) 4) PN Nominal pressure PN 16 or 25, flanges to EN Flow media/temperature Circulation water / Glycolic water up to 30 % / C Pressure balance Stainless steel bellow, mat. No Rolling diaphragm Valve body material PN 16 Grey cast iron EN-GJ-250 (GG-25) PN 25 Ductile iron EN-GJS T (GGG-40. Cone material Stainless steel, mat. No mat. No Seat material Stainless steel, mat. No mat. No Conical seal EPDM in combination with actuators AMV(E), values are higher if Y60 piece is removed from valve. above operating pressure of 14 bar use of valve stem extension ZF4, ZF6 or combination piece KF2 is necessary. In order the actuator can close at max differential pressure flow velocity musn t exceed 2 m/s. 4) With adapter: Design (VFG 2 1 Valve body 2 Valve seat 3 ellow 4 Valve insert 5 Diaphragm VFG 21 DN VFG 21 DN Danfoss VD.H.I3.02

5 Ordering (VFGS 2 for steam) Cone: metal/metal sealing, pressure relieved. Picture DN T max Code No. T max Code No. Connections (mm) (m 3 /h) (m 3 /h) ( C) PN 16 ( C) PN 25 PN ,0 2, ,3 4, ,0 6, Flanges acc. to EN Valves with flow divider for noise reduction (see accessories) for detailed temperature limits refer to pressure/temperature diagram pg 9 Valve has valve body extension (VE) and pre-installed flow divider Technical data (VFGS Nominal diameter DN value (m 3 /h) 4 6, value (m 3 /h) 2,5 4,0 6, z value acc. to VDMA ,6 0,6 0,6 0,55 0,55 0,5 0,5 0,45 0,4 0,35 0,3 0,2 0,2 AFT PN 25, 40 PN ) PN AMV(E) 655, 658, 659 5) (from Q4 2014) PN 25, Nominal pressure PN 16, 25 flanges to EN or 40, flanges to EN Flow media/temperature PN 16 Steam / max. 150 C PN 25, 40 Steam / max. 350 C Steam / max. 300 C Pressure balance Stainless steel bellow, mat. No Rolling diaphragm Valve body material PN 16 PN 25 Grey cast iron EN-GJ-250 (GG-25) Ductile iron EN-GJS T (GGG-40. PN 40 Cast steel GP240GH (GS-C 25) Cone material Stainless steel, mat. No mat. No Seat material Stainless steel, mat. No Valves with flow divider for noise reduction (see accessories) In combination with actuators AMV(E), values are higher if Y60 piece is removed from valve. Above operating pressure of 14 bar use of valve stem extension ZF4, ZF6 or combination piece KF2 is necessary. 4) In order the actuator can close at max differential pressure flow velocity musn t exceed 2 m/s. 5) With adapter: VD.H.I3.02 Danfoss

6 Design (VFGS 1. Valve body 2. Valve seat 3. ellow 4. Valve insert 5. Diaphragm 6. Valve body extension 7. Shut off valve for water filling 8. Closing plug VFGS 2 DN VFGS 2 DN Ordering (VFG 3 VFG 33 (mixing valve pressure balanced) Picture DN Connections T max Code No. T max Code No. (mm) (m 3 /h) ( C) PN 16 ( C) PN Flanges acc to EN for detailed temperature limits refer to pressure/temperature ratings diagram pg 9 Technical data (VFG 3 Nominal diameter DN value (m 3 /h) 8 12, AFT PN PN PN AMV(E) 655, 658, 659 (from Q4 2014) PN 25, Nominal pressure PN 16 or 25, flanges to EN Flow media/temperature PN 16 Circ.water / Glycolic water up to 30 % / C PN 25 Circ.water / Glycolic water up to 30 % / C Pressure balance Stainless steel bellow, mat. No Valve body material PN 16,25 Ductile iron EN-GJS T (GGG-40. Cone material Stainless steel, mat. No Seat material Stainless steel, mat. No Above operating pressure of 14 bar use of valve stem extension ZF4, ZF6 or combination piece KF2 is necessary. In order the actuator can close at max differential pressure flow velocity musn t exeed 2 m/s. With adapter: Danfoss VD.H.I3.02

7 Applications (VFG 3 A A AFT06 / VFG 33 A A Heating Cooling Mixing valve used in mixing application Mixing valve used in diverting application Design (VFG 3 1 Valve body 2 Valve seat 3 ellow 4 Valve insert A A Ordering (VFU Opening valve, pressure relieved. VFU 2 (metallic sealing cone) Picture DN T Connections max Code No. (mm) (m 3 /h) ( C) PN , , , Flanges acc. to EN for detailed temperature limits refer to pressure/temperature diagram pg 9 VD.H.I3.02 Danfoss

8 Technical data (VFU Nominal diameter DN value (m 3 /h) 4 6, z value acc. to VDMA ,6 0,6 0,6 0,55 0,55 0,5 0,5 0,45 0,4 0,35 AFT.. PN AMV(E) 655, 658, 659 PN (from Q4 2014) Nominal pressure PN 16, flanges to EN Flow media/temperature Circulation water / Glycolic water up to 30 % / C Pressure balance Stainless steel bellow, mat. No Valve body material Grey cast iron EN-GJ-250 (GG-25) Cone material/conical seal Stainless steel, mat. No Seat material Stainless steel, mat. No With adapter: Design (VFU 1 Valve body 2 Valve seat 3 Valve insert 4 ellow Accessories Picture Type Note Code No. Comb. piece KF2 For combinations with thermostats 003G1398 Comb. piece KF3 Valve stem extension ZF4 Valves DN Valve stem extension ZF5 For combinations with thermostats, pressure controllers and motorised actuators Valves DN For water, steam above 200 C For oil above 200 C For water, steam or oil above 200 C 003G G G G1396 Valve stem extension ZF6 For water, steam temperatures until 200 C 003G1393 Remark: Temperature controller with thermostat AFT..: This controller can be used until operating pressure of 14 bar. If the operating pressure is higher than 14 bar the valve stem extension ZF4, ZF6 or the combination piece KF2 must be used. Flow divider for VFGS 2 (for noise reduction) DN reduced Code No ,5 20 6, , Danfoss VD.H.I3.02

9 Pressure temperature diagram Working area is below P-T line and it ends at T max for each valve VFG/VFU/VFGS PN 16 EN-GJ-250 (GG-25) Maximum allowed operating pressure as a function of media temperature (according to EN VFG PN 25 VFGS PN 25 EN-GJS-400 (GGG-40. EN-GJS-400 (GGG Maximum allowed operating pressure as a function of media temperature (according to EN VFG PN 40 VFGS PN 40 EN-GP-240-GH (GS-C 25) EN-GP-240-GH (GS-C 25) 120 Maximum allowed operating pressure as a function of media temperature (according to EN VD.H.I3.02 Danfoss

10 H H 1 H 1 Dimensions VFG(S) DN VFG DN VFG 2, VFG 21, VFGS 2 Valves VFG(S) DN with valve body extension up to 200 (300) C DN mm H Weight PN 16 / 25 27, kg 7,5 8, PN ,5 60, mm H Weight (valve with body extension) PN 16 / kg PN Danfoss VD.H.I3.02

11 Dimensions (continuous) C /2 VFU 2 DN VFG 33 DN VFG 33 valves DN mm Weight kg 10, VFU 2 valve DN mm C Weight kg 7,0 9, Comb. piece KF2, KF3 Valve stem extension ZF4, ZF5 Valve stem extension ZF6 VD.H.I3.02 Danfoss

12 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary eady agreed. All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved. 12 Danfoss DHS-SRMT/SI VD.H.I3.02