Pneumatic Diaphragm Double Seated Flow Control Valve (GAZJHN)

Model NO.: GAZJHN
Usage: Flow Control
Application: Petroleum, Chemical, Metallurgy, etc.
Applicable Temperature Range: -20 Deg C ~ 200deg C, or -40 Deg C ~ 450 Deg C
Size: Dn25-Dn300
Pressure: Pn1.6-Pn10.0MPa or Class 150lb - Class 600lb
Trademark: Goole or OEM
Transport Package: Plywood Case
Specification: ISO 9001
Origin: Wenzhou, Zhejiang, China
HS Code: 8481804090
Model NO.: GAZJHN
Usage: Flow Control
Application: Petroleum, Chemical, Metallurgy, etc.
Applicable Temperature Range: -20 Deg C ~ 200deg C, or -40 Deg C ~ 450 Deg C
Size: Dn25-Dn300
Pressure: Pn1.6-Pn10.0MPa or Class 150lb - Class 600lb
Trademark: Goole or OEM
Transport Package: Plywood Case
Specification: ISO 9001
Origin: Wenzhou, Zhejiang, China
HS Code: 8481804090
GAZJHN Pneumatic diaphragm double-seated flow control valve.
The valve has double seats.The fluid outflow through the valve core of the upper and lower sealing surface.The unbalanced pressure is small.It is a balanced structure,which are widely used in petroleum,chemical,pharmaceutical,metallurgical,power plants,such as the industrial sector,to control of gas liquid medium such as steam.

Pneumatic Diaphragm Double Seated Flow Control Valve (GAZJHN)
GAZJHN Pneumatic diaphragm double-seated pressure flow valve Structure
Valve Body.
Structure:flowing through type globe valve with double-seated.
DN:25~300mm.
PN:1.6~10.0Mpa or class 150~class 600.
Connections:flanged type.
Material:WCB,HT200 ZG230-450 ZG1Cr18Ni9Ti.ZG0Cr18Ni12Mo2Ti.
 
Upper Cover.
Normal Temp:-20°C~+200°C.
Heat Radiation Type:-40°C~+450°C.
Gland Connection:bolted type.
Packing:V type PTFE.FLEXIBLE GRAPHITE.S.S BELLOWS.
 
Valve Assembly.
Valve Core:Double guiding&double-seated plug type.
Cv Features:Linear,Equal Percentage or Quick opening.
Material:1Cr18Ni9Ti0Cr18Ni12Mo2Ti.
 
Pneumatic Diaphragm Double Seated Flow Control Valve (GAZJHN)
Actuator.
Model:Multi-spring diaphragm type actuator
Material of the diaphragm:NBR with reinforced polyester fabric.
Spring range:0.02~0.1/0.04~0.2Mpa.
Air Supply:0.14/0.16/0.28Mpa.
Air Supply Connector:M10*1.
Working Temp:-30~+70°C.
Valve Acting Type:air to close or air to open.
Accessories:positioner,,hand wheel.
Parameters:(with positioner.)
Leakage:<0.5%×Kv.
Intrinsic Erro:+/-1.5%.
Controlling Range:30:1.

GAZJHN Pneumatic diaphragm double-seated flow control valve Specifications
Kv,Movement&Allowable Differential Pressure.
DN(mm) 25 32 40 50 65 80 100 125 150 200
Size of seat(mm) 15 20 25 32 40 50 65 80 100 125 150 200
Flow coefficient Kv 4 6.3 10 16 25 40 63 100 160 250 400 630
Movement(mm) 16 25 40 60
Allowable differential pressure(Mpa) 5.8 4.9 3.8 2.9 4.0 3.3 2.6 3.6 3.0 2.3
Note:It refers to the differential pressure when the valves in open position.
 
Pneumatic Double Seated flow Control Valve Dimension.
Pneumatic Diaphragm Double Seated Flow Control Valve (GAZJHN)
 
DN Actuator H øA H1 L
Normal TEMP Heat Radiator Type. PN1.6 PN4.0 PN6.4
25 ZHA22 498 648 285 117 185 190 205
32 ZHA22 501 651 285 120 200 210 220
40 ZHA22 522 691 285 139 220 230 240
50 ZHA22 530 699 285 144 250 255 265
65 ZHA34 645 815 363 188 275 285 295
80 ZHA34 661 835 363 208 305 310 325
100 ZHA34 687 887 363 220 350 355 370
125 ZHA34 1234 1444 363 270 410 425 440
150 ZHA45 1242 1492 470 280 450 460 475
200 ZHA45 1394 1654 470 320 550 560 570
 
  Ms Cathy
Yongjia Goole Valve Co.,Ltd
Heyi Industrial Zone, Oubei, Wenzhou,325105, China
Tel: +86-577-57781015,   Fax: +86-577-67985602
Mob: +86 13868628912,   
 
Web: www.chinavalve1.com GAZJHN Pneumatic diaphragm double-seated flow control valve.
The valve has double seats.The fluid outflow through the valve core of the upper and lower sealing surface.The unbalanced pressure is small.It is a balanced structure,which are widely used in petroleum,chemical,pharmaceutical,metallurgical,power plants,such as the industrial sector,to control of gas liquid medium such as steam.

Pneumatic Diaphragm Double Seated Flow Control Valve (GAZJHN)
GAZJHN Pneumatic diaphragm double-seated pressure flow valve Structure
Valve Body.
Structure:flowing through type globe valve with double-seated.
DN:25~300mm.
PN:1.6~10.0Mpa or class 150~class 600.
Connections:flanged type.
Material:WCB,HT200 ZG230-450 ZG1Cr18Ni9Ti.ZG0Cr18Ni12Mo2Ti.
 
Upper Cover.
Normal Temp:-20°C~+200°C.
Heat Radiation Type:-40°C~+450°C.
Gland Connection:bolted type.
Packing:V type PTFE.FLEXIBLE GRAPHITE.S.S BELLOWS.
 
Valve Assembly.
Valve Core:Double guiding&double-seated plug type.
Cv Features:Linear,Equal Percentage or Quick opening.
Material:1Cr18Ni9Ti0Cr18Ni12Mo2Ti.
 
Pneumatic Diaphragm Double Seated Flow Control Valve (GAZJHN)
Actuator.
Model:Multi-spring diaphragm type actuator
Material of the diaphragm:NBR with reinforced polyester fabric.
Spring range:0.02~0.1/0.04~0.2Mpa.
Air Supply:0.14/0.16/0.28Mpa.
Air Supply Connector:M10*1.
Working Temp:-30~+70°C.
Valve Acting Type:air to close or air to open.
Accessories:positioner,,hand wheel.
Parameters:(with positioner.)
Leakage:<0.5%×Kv.
Intrinsic Erro:+/-1.5%.
Controlling Range:30:1.

GAZJHN Pneumatic diaphragm double-seated flow control valve Specifications
Kv,Movement&Allowable Differential Pressure.
DN(mm) 25 32 40 50 65 80 100 125 150 200
Size of seat(mm) 15 20 25 32 40 50 65 80 100 125 150 200
Flow coefficient Kv 4 6.3 10 16 25 40 63 100 160 250 400 630
Movement(mm) 16 25 40 60
Allowable differential pressure(Mpa) 5.8 4.9 3.8 2.9 4.0 3.3 2.6 3.6 3.0 2.3
Note:It refers to the differential pressure when the valves in open position.
 
Pneumatic Double Seated flow Control Valve Dimension.
Pneumatic Diaphragm Double Seated Flow Control Valve (GAZJHN)
 
DN Actuator H øA H1 L
Normal TEMP Heat Radiator Type. PN1.6 PN4.0 PN6.4
25 ZHA22 498 648 285 117 185 190 205
32 ZHA22 501 651 285 120 200 210 220
40 ZHA22 522 691 285 139 220 230 240
50 ZHA22 530 699 285 144 250 255 265
65 ZHA34 645 815 363 188 275 285 295
80 ZHA34 661 835 363 208 305 310 325
100 ZHA34 687 887 363 220 350 355 370
125 ZHA34 1234 1444 363 270 410 425 440
150 ZHA45 1242 1492 470 280 450 460 475
200 ZHA45 1394 1654 470 320 550 560 570
 
  Ms Cathy
Yongjia Goole Valve Co.,Ltd
Heyi Industrial Zone, Oubei, Wenzhou,325105, China
Tel: +86-577-57781015,   Fax: +86-577-67985602
Mob: +86 13868628912,   
 
Web: www.chinavalve1.com

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