HH47X Slow Closing Butterfly Check Valve
HH47X Slow Closing Butterfly Check Valve

HH47X Slow Closing Butterfly Check Valve

Model
HH47X

Item specifics

Nominal Pressure
0.6-2.5MPa
Suitable Medium
Water
Medium Temperature
0-80℃
Slow Closing Time
3-90s

Review

Description

Brief Introduction


HH47X Slow Closing Butterfly Check Valve is mainly installed at the outlet of pump for industry water supply or sewage treatment plants. to avoid media back flow and water hammer, and can effectively reduce valve closing water hammer pressure. It can ensure pipeline working safety. This slow closing check valve is composed of valve body, disc, buffer device and so on. It have the advantage of small volume, light weight, low flow resistance, good sealing performance, open/close smoothly, good wear resistance, long service life, no vibration, no noise.

  

Specification


Nominal Pressure

0.6-2.5 MPa

Nominal Diameter

200-2000 mm

Slow Closing Time

3-90 s

Suitable Media

Water

Suitable Temperature

0-80℃(0-400℃)

Test Standard

GB/T 13927-1992


Main Material


Part

Name

Valve Body

Disc

Stem,  Buffer

Cylinder

Seal

Packing

Material

Gray Cast iron HT200,

Ductile Iron QT400-18,

Cast Steel WCB,

Gray Cast iron HT200,
Ductile Iron QT400-18,
Cast Steel WCB,

Carbon Steel Q235-A

Carbon Steel

45#,

Stainless Steel

NBR

Graphite

asbestos rope






 

  



Installation



Dimension

 

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