Pneumatic Double-Seated Control Valve (GAZJHN)

• Model NO.:  GAZJHP,CV3000

• Material: Wcb, CF8, CF8m

• Pressure Rating: Pn16~100Class150~600

• Valve Body Type: Straight-Through Type

• Connection: Flanged, Butt Welded

• Transport Package: Plywood Case

• Origin: Wenzhou, Zhejiang, China

• Power: Pneumatic

• Nominal Diameter: Dn20~400mmNps3/4~16

• Applicable Temperature Range: -196 Deg C~+566 Deg C

• Actuator Type: Pneumatic Diaphragm Actuator

• Trademark: GOOLE, OEM

• Specification: CE, SGS

• HS Code: 8481804090

GAZJHN Pneumatic diaphragm double-seated 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.


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.
 

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.

Kv,Movement&Allowable Differential Pressure.

 
Pneumatic Double Seated Control Valve Dimension.