Double Seat Control Valve

• Temperature: Ordinary Temperature
• Certification: GS, CE, ISO9001
• Media: Gas, Oil, Water, Acid
• Standard: Standard
• Connection Mode: Flange Ends,Weld Ends
• Power: Pneumatic Diaphragm Actuator, Pneumatic Piston AC
• Model NO.: HZ-H3
• Material: Wcb,Wc6,Wc9, Lcb, CF3, CF8m, CF3m, A105, Lf2, F304
• Type: Double Seater
• Temperature Range: - 100"C-560"C
• Standard Leak Class: Class IV (Standard, Metal Seat)
• Flow Characteristics: Equal Percentage, Straight Line
• Connection with Pipelines: Flange. Butt Welded
• Transport Package: Plywood Case
• Specification: 150#---900#, PN16-PN110, 10K-40K
• Trademark: HUIZHENG
• Origin: China
• HS Code: 8481804090
• Production Capacity: 100000PCS/Year

Product Description

PRODUCT NAME	Double seat control valve
BRAND	HUIZHENG
OROGIN	CHINA
PACKING	PLYWOOD CASE
CLASS/RATING	150#---900#, PN16-PN110,10K-40K
SIZE	2"-24"DN50 - DN600
MATERIALS	Body Material : Carbon steel, Stainless steel,Alloy steel ,Duplex stainless steel,etc
ENDS	FLANG  ENDS,Flange ends,Weld ends
OPERATION	Pneumatic diaphragm actuator, Pneumaticpiston actuator,Electric actuator etc.

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,
extension 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. butt welded
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