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Ductile Iron Dual Disc Wafer Di Check Valve

Ductile Iron Di Dual Plate Wafer Check Valve Wafer end swing check valve is mainly composed of three parts: body, disc( stem), spring. The short closing stroke of disc and the spring force improve the closing effect, while also reduce the pressure surge and slamming noise. The valve body...
Product Details

Ductile Iron Di Dual Plate Wafer Check Valve


Wafer end swing check valve is mainly composed of three parts: body,  disc( stem),  spring. The short closing stroke of disc and the spring force improve the closing effect,  while also reduce the pressure surge  and  slamming noise.

The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise. It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect. It can be installed on horizontal and vertical pipelines.


PRODUCT DETAILS

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.


Main Features:

1.The sealing valve is designed with multiple narrow bands, which greatly improves the reliability of the seal, achieves a complete seal, and realizes zero leakage.

2.The structural performance is safe and reliable, the anti-interference is strong, the closing speed is fast, and the head loss is small.

3.Short structure length, good rigidity and easy installation.

4.A wide range of materials for main parts can be selected, and a wide range of media used.

5.Bubbles tight sealing and there is no leakage under the pressure test.

6.Long service life. Withstood the test of tens of thousands opening/closing operations.


Specifications:

Size: 2" to 60",DN50-DN1500
Class: 150LB to 2500LB,PN16-PN420
Type: Double plate or single plate, wafer type, lugged type, flanged type

Material: Di Ci B148 C95800, WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, DUPLEX SS, C95800,C95500,MONEL, ALLOY 20 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)


Medium and Application
Medium: Freshwater, sewage, seawater, air, steam, food, medicine, oil, acids, etc.
Application:
Municipal                                 Ballast and bilge system                        Chemical processing
Desalination plants                 Drilling rigs                                              Drinking water
Dry powder                              Food and beverage                                Gas plants
HAVC                                         Mining industry                                      Pulp and Paper industry    
Sand handling                          Seawater                                                 Sugar industry 
Petroleum and petrochemical     Thermo technical water treatment             Waste water


Standard materials of parts

No.Part NameMaterial
1BodyGrey iron, Ductile iron, Cast steel, Stainless steel
2DiscDuctile iron, Aluminum bronze, Stainless steel
3SpringStainless steel
4Hinge PinStainless steel
5Stop PinStainless steel
6PlugSteel
7Body BearingPTFE
8Spring BearingPTFE
9Eye BoltSteel
10Body SeatEPDM, Neoprene and NBR etc.

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WORKSHOP

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INSPECTION

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PACKING

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FAQ: 

1. What is your MOQ?
Our MOQ is usually 5 CTNS.

2. What is your delievery time?
Our delievery is about 25-30days.

3. What is your payment terms?
We accept T/T, 100% L/C, or West Union and so on.

4. Could you provide free samples?
Usually, we offer free samples, customers bear freight cost. 

5. Why choose us?

Firstly
, comparing with many factories, our prices are more competitive.

Secondly, We 100% test working pressure for ALL our products.

Finally, After- Services will be highly satisfied. Any problems and feedbacks will be responded efficiently.


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