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Wafer Type Lift Check Valve

Wafer Type Lift Check Valve

Wafer Type Lift Check Valve Wafer type lift check valve disc moves up and down along the midline of the valve body. Under the pressure of the fluid which flows in one direction, the valve disc will be raised up from the sealing surface of the valve seat. If there is backflow, the valve disc will...
Product Details

Wafer Type Lift Check Valve


Zhejiang-Naibang-Valve-Co-Ltd- (31)

Wafer type lift check valve disc moves up and down along the midline of the valve body. Under the pressure of the fluid which flows in one direction, the valve disc will be raised up from the sealing surface of the valve seat. If there is backflow, the valve disc will return back to the valve seat to cut off the medium. It is  mainly  used  in  the fluid system  containing  strong  oxidative mediums,  like water supply system, heat  supply system  and  acid system  etc. It is always used as  accessory of  boilers.  
It has exquisite  profile  and  simple  structure.  Its  spring  device  functions  to  speed  up the closing movement of the disc so as to  eliminate  water  hammer. This valve is very suitable for space-limited locations.

Features:

1. Small in size, light in weight, compact in structure,easy in maintenance.

2.Two torsion springs are used excreting on each of the pair valve plates,which close the plates quickly And automatically.

3. The quick-close action prevents the medium from flowing back and eliminates water hammer effect.

4. Short body structure length and good rigidity.

5. This valve is tightly sealed, without leakage under the pressure water test.

6. Safe and reliable in operation,high interference-resistance.


Technical Specifications:

To API594

Face to face per ANSI B 16.10

Flange ends dimension ANSI B 16.5/ANSI B 16.47

Final inspection tests to API598.


Size: 1/2"-18",DN15-DN200
Pressure: 150LB-2500LB,PN1.0Map-42.0Mpa
Body Material : WCB CF8 CF3 GR4A Hastelloy C etc.
Seat Material: 316SS 304SS 13CR EPDM etc.

Corrosion protection:
Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)

About this product:
H71H/H71W/H71X-10-40C/P/R.


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FAQ: 

1 Are you a factory or trading company? 
We are a factory specialized in manufacturing valves and fitting over 20 years. 
And we have got the verification of compliance ISO9001&CE certificate of
Manufacturing and processing of valves and fittings. 

2 Where are the main markets for your products? 
We hope to make business with companies from all over the world. And for now, our valves and fittings have Been exported to especially in North America, South America, South Asia, Europe and Middle East. 

3 Do you have a minimum quantity of the products? 
No, we will build business with you with even 1PC. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service. 

4 Are samples available to be sent with free? 
It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer. 

5 Can you print our Logo on the valves? 
Yes, we can totally produce products according to your special request, even manufacture it base on your drawing. 

6 What is your lead time? 
It's around 15 days normally. If we have the products in stock, it will be about one week. 

7 How can I check your factory situation while it's difficult for me to come to China? 
We have photos and videos on our website and facebook, It shows every step of the manufacturing. 

8 How can you guarantee the quality of products? 
Firstly, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every valve or fitting we sell is qualified. 


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