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Quick Close Non Slam Check Valve Hydrodynamic Design Low Head Loss

Suzhou Alpine Flow Control Co., Ltd

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Address: B5 Chao Yang Factory, Caohu Industrial Park, Xiangcheng Economic Development Zone, Suzhou, Jiangsu Province P.R.C

Contact name:Matt Liang

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Quick Close Non Slam Check Valve Hydrodynamic Design Low Head Loss

Country/Region china
City & Province suzhou jiangsu
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Product Details

 

 

Ductile iron Quick Close Low Head Loss Anti Water Hammer Non Slam Check Valve ​

 

 

 

Description

 

    NSCV is a non slam check valve with diffuser, DI body & diffuser, DI disc+ EPDM coated, 420SS stem, 304SS spring. It has a very short face to face distance, closing speed is so quick up to max 0.2sec and the stroke is only about 20% of valve bore diameter. It has hydrodynamic design with spring ensure non slamming and to minimize the water hammer to save head loss. The advance diffuser design maintains the streamline flow and reduces the water head loss to save pumping power.

 

Features:

 

Much shorter stroke- faster closing.

Around 0.2D of stroke. Swing-check around 0.8-1.0D

Spring accelerating closing speed.

NSCV- keep system silent, quiet operation. no water hammer and slamming.

Much less components-easy maintenance

Diffuser- reducing pressure loss and help recovery of pressure

 

Technical Data:

 

SizeDN50-DN600
Working Temperature- 10C- 80C
FlangeAISI B16.1 Or PN16
Flow MediaClean Water

 

Quality System 
IQCCheck call incoming parts
IPQCCheck the production process is qualified
FQCAll valves are pressure tested
OQCCheck the valve ourlook and packing

 

Service Fields:
Mainly used for clean water, precleaned sewage water, Fire-fighting, Irrigation, Cooling and HVAC System.

 

 

Dimension:

DN50 - DN350

 

 

DN400 - DN600

 

 

Materials:

 

DN50-DN350

No.Part NameMaterialStandard
1BodyDuctile IronEN GJS500-7
2DiscDuctile Iron+rubberEN GJS500-7+EPDM/NBR
3SpringStainless steelAISI 304/316
4StemStainless steelAISI 420/304/316
5WasherPlastic/RubberNylon/EPDM
6NutStainless steelAISI 420/304
7BushingBronzeC61900
8DiffuserDuctile IronEN GJS500-7
9Set ScrewStainless steelAISI304

 

No.Part NameMaterialStandard
1BodyDuctile IronEN GJS500-7
2DiscDuctile Iron+rubberEN GJS500-7+EPDM
3SpringStainless steelAISI 304/316
4StemStainless steelAISI 420/304/316
5WasherPlastic/RubberNylon/EPDM
6NutStainless steelAISI 420/304
7BushingBronzeC61900
8PlugDuctile IronEN GJS500-7
9DiffuserDuctile IronEN GJS500-7
10Set ScrewStainless steelAISI304

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