Pressure Seal Check Valve

Pressure seal check Valve is designed for reliable backflow prevention with a pressure-assisted sealing mechanism. It automatically opens and closes according to the flow conditions, providing reliable sealing performance in demanding industrial applications. It is widely used in oil and gas, chemical processing, power generation, pharmaceutical, and other industries.

Specification

Size: NP 2”-24”

Class: class 900~2500 (PN160~PN420)

Working temperature: -29～500℃

Design: API 602 API6D API 1868

Connection: RF, SW, BW, RTJ

Face to face: ASME B16.10

Test：API 598

Main Parts Material

Body	WCB	WC6	CF8	CF3
Disc	WCB	WC6	CF8	CF3
Stem	F6a	38CrMoALA	F304	F316
Packing	Packing	Graphite	Graphite	Graphite
Applicable medium:	water, steam，other non-corrosive medium

Features:

Excellent Sealing: Pressure-assisted sealing provides reliable performance at high pressures.
Compact Design: Fewer bolts and an optimized flow passage reduce size, weight, and flow resistance.
High Pressure & Temperature: Available in carbon steel, alloy steel, and stainless steel, for PN160~PN420 (Class 150–2500) and -29°C to 550°C.
Fast Closing: Short disc travel enables fast closing and helps reduce water hammer.

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