Product

Cryogenic Gate Valve

Our Cryogenic Gate Valve is designed in two different bonnet types. One is bolted bonnet, where the valve body and bonnet are connected by bolt nuts and wound gaskets (316 clamp flexible graphite). Metal ring connections are also available for special requirements. The other type is welded bonnet with threaded connection between valve body and bonnet.

Specification

Size: DN15~800mm
Pressure : PN1.6~2.5Mpa
Main Material: LCB、LF1、 LF3、LC3、 CF8、 F304 ect.
Suitable Temperature: -45°C~ 196°C
Design: JB/T 7749-95
Face to face : GB/T 12221-1989
Test: JB/T 9092-1999

Main Parts Material:

Body/Bonnet	Stem	Seat	Gasket	Packing	Medium
LCB	1Cr7Ni12	STL/STL	1Cr13/Flexible graphite Low-temperature asbestos	PTFE Flexible graphite	Propane/propene Methanol/ethane Gas/liquid ammonia
LC1
LC2
LC3
LC4

Features:

The fluid resistance is small, and the sealing surface is less affected by the brushing and erosion of the medium.
Easy to open and close.
The flow direction of the medium is not limited, no disturbance and no pressure reduction.
Simple shape, short structure length, good manufacturing process, wide range of application.
It is easy to cause erosion and abrasion between the sealing surfaces, and maintenance is more difficult.
The appearance size is large, and a certain space is required for opening. Take long time to open and close.
The structure is more complicated.

Welcome to HENGFENG valves! We are a leading provider of high-quality valves and valve solutions for various industries.

Get in touch

Contact Us

+86 17791725286

EMAIL US:
sales@hf-valves.com

Address

Xian Hengfeng Electromechanical Equipment Co.,Ltd
No.15,group 3,Sanlian Village,Dazhao Street Office,Chang’an District,Xi’an City, Shaanxi Province

Yiwu Hengfeng Electromechanical Equipment Company
Zongtang 1st District, Jiangdong Street, Yiwu City, Jinhua City, Zhejiang Province