HH44X Cast Iron Micro Resistance Slow Closing Check Valve
HH44X Cast Iron Micro Resistance Slow Closing Check Valve

HH44X Cast Iron Micro Resistance Slow Closing Check Valve

Description

Brief Introduction


HH44X Micro resistance slow closing checkvalve is used in drainage pipeline, installed at the exit of pump to avoidmedia flow back and eliminate  water hammer, and effectively reduce theclosing water hammer pressure. It can ensure pipeline system working safely.With the advantage of light disc, big open degree, low flow resistance,reliable sealing, smooth operation, wear resistance, no vibration, no noise.

 

Structure

https://sc01.alicdn.com/kf/HTB1TvjLKXXXXXaEXVXXq6xXFXXXz/227911533/HTB1TvjLKXXXXXaEXVXXq6xXFXXXz.jpg


Specification


Nominal Pressure

0.6-2.5 MPa

Nominal Diameter

50-900 mm

Slow Closing Time

3-90 s

Suitable Media

Water

Suitable Temperature

0-80℃(0-400℃)

Test Standard

GB/T 13927-1992



Material


Part Name

Valve Body, Valve Deck

Disc

Stem, Piston

Spring

Material

Gray Cast iron HT200,

Ductile Iron QT400-18,

Cast Steel WCB,

Vulcanized carbon steel and NBR,

Carbon steel

Fine Carbon Steel 45#,

Stainless Steel

Spring steel,

Stainless Steel


Installation

Dimension


 

KeyWords