Product

Forged Steel Check Valve

Forged steel check valve is designed to prevent reverse flow in high-pressure industrial pipeline systems. With excellent pressure resistance, reliable sealing performance, and durable construction, they are widely used in oil and gas, petrochemical, chemical processing, and power generation applications.

Specification

Size: NPS 1/2″ ~ NPS2″

Pressure: 150LB~2500LB

Connection: RF, SW, BW, RTJ

Temperature: -29°C ~ 550°C

Main material: carbon steel, stainless steel, alloy steel

Medium: water, steam oil, nitric acid, acetic acid, etc

Applications: Suitable for tap water, food, pharmaceutical, electric petroleum, liquefied gas, steam, and other media pipelines

Main Parts Material:

Part	A105N	F22	F304(L)	F316(L)
Body	A105N	A182 F22	A182 F304(L)	A182 F316(L)
Disc	A276 420	A276 F22	A276 304(L)	A276 F316(L)
Stem	A182 F6a	A182	A182 F304(L)	A182 F316(L)
Gasket	316+Flexible graphite		316+PTFE
Bonnet	A105N	A182 F22	A182/F304(L)	A182/F316(L)

Features:

Design and manufacture according to API standards, reliable sealing, excellent performance.
600Lb above gate and seat overlaiedwith sellite, wear resistance, high temperature resistance, corrosion resistance,
The valve stem is tempered and surface nitrided, and has good corrosion resistance and scratch resistance.
It adopts wedge elastic gate structure, and sets rolling bearings with medium and large diameter, which is easy to open and close.
1500LB, 2500LB middle cavity adopts pressure self-tightening sealing structure
The inverted seal is made of stainless steel threaded connection sealing seat or body overlay welding austenitic stainless steel, the seal is tight, and the packing replacement and maintenance can be carried out without stopping, which is convenient and fast and does not affect the operation of the system

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