Pneumatic Diaphragm Double Seat Regulating Valve

• Customization: Available
• Temperature: Ordinary Temperature
• Certification: GS, CE, ISO9001
• Model NO.: ZJHM
• Media: Gas, Oil, Water, Acid
• Standard: Nonstandard
• Connection Mode: Flange
• Power: Manual
• Material: Stainless Steel
• Type: Double Seater
• Transport Package: Plywood Case
• Trademark: HUIZHENG
• Origin: Wenzhou/China
• HS Code: 8481804090
• Production Capacity: 100000

Product Description

Product description

Description of double seat control valve 
Double-seat control valve adopts a double-seat guide structure. This valve has a compact structure, the flow port is S-streamline, the pressure drop loss is small, flow volume is large,  adjustable range is wide and the accuracy of the flow characteristics is high. It is fixed and has the characteristics of strong seismic performance 
Double seat control valve features
 

Valve trim features	Double seat structure.sleeve guide balanced trim,split or integral standard cage
Body type	straight-through, angled, Z- shaped
Upper bonnet type	normal temperature type, high temperature heat dissipation type,
Temperature range:	- 100"C-560"C
Stem Seal Type	Standard Standard Packing Seal High temperature type packing seal, bellows seal(optional)
Standard leak class	CLASS IV (standard, metal seat)
Flow characteristics	equal percentage, straight line
Connection with pipelines	Flange.
Adjustable ratio	50:1

Applicable Standards of cage sleeve control valve:
 

Sizes	1-1/2" - 24" ,DN 40 - DN 600
Pressure Rating	Class150 - Class 900 or PN 16 - PN 320
Material of valve body	WCB,WC6,WC9, LCB, CF3, CF8M, CF3M, A105, LF2, F304, F304L, F316, F316L etc.
Operated by	Lever, Electric actuator ,Pneumatic actuator