Dual Plate Wafer Check Valve/Oblea de Doble Placa Valvula de Retencion

Dual Plate Wafer Check Valve/Oblea de Doble Placa Valvula de Retencion

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10 set

Supply Capability:: 100 set/month

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Packaging & Delivery

Packaging Detail:	Plywood case or buyer request
Delivery Detail:	Negotiation

Specifications

1. Size: 2"-48"
2. Pressure: 150~2500LB
3. Material: WCB,WC6, WC9, C5, C12, CF8M, CF3, CF3M, ETC.
4. STD:API6D, ASME, JIS, BS

DUAL PLATE WAFER CHECK VALVE

1	SIZE	(INCH) 1/2” 1” 2” 3” 4” 6” 8” 10” ....48” (MM) 15, 25, 50, 80, 100, 125, 150, 200, 250, ...1200
2	PRESSURE	(CLASS) 150, 300, 600, 800, 900, 1500, 2500 (MPA) 1.0, 1.6, 2.5, 4.0, 6.4, 10, 13, 15, 25, 42
3	BODY MATERIAL	A216WCB, , SS316, SS304, SS316L, CF8C, ETC CARBON STEEL, STAINLESS STEEL, DUPLEX STEEL, ALLOY, ETC
4	STANDARD	BS, ASME, API, DIN, JIS, GOST,EU, ETC
5
6	CONNECTION	RF FALNGE, RTJ FALNGE, BW, SW, NPT, THREADED, WAFER, LUG, ETC
7	MEDIUM	CORROSIVE ENVIRONMENT, OIL, GAS, WATER, ETC.
8	WARRANTY	12 MONTH

1. Design & Manufacture Std.: API594, ASME B16.34, API 6D, JISB2074-JISB2084, BS1868

2. Face to Face Std.:ASMEB16.10, API 6D, JISB2002, DIN3202, EN558

3.Test Standard: API598, API 6D JISB2003

Features:

1. Small and light, Tightly sealed. Less expensive than swing check valve.

2. Two torsion springs are used excerting on each of the pair valve plate,which close

the plate quickly and automaticlly.

3. The quick-close action prevent the meidum from flowing back and eliminates water hammer effectly.

4. Can be installed both horizontaly and vertical on pipeline.

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

FAQ

We have organized several common questions for our clients，may help you sincerely：

①How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

Q:The principle of the check valve: Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent media backflow valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium.

Q:Why is the water ring vacuum pump equipped with check valves?: The check valve is a one-way valve, the instantaneous vacuum of the stopping pump is higher than the pump cavity, and the gas enters the pump cavity from the exhaust port, and the water pressure is connected to the vacuum pipeline, and the function of the check valve is to prevent water from entering the pipeline

Q:How much is the check valve for the concrete pump?: 31 concrete pump price ranging from 15W to 60W, different configurations have different prices, which one do you want?

Q:With no negative pressure water supply, the pump is equipped with a check valve, the construction ring network also needs to install check valve?: With no negative pressure water supply, the pump is equipped with a check valve, the construction ring network also needs to install a check valve, or else the water pump may enter the ring network.

Q:What does the check valve "H44Y-160" mean?: H- check valve, 4 flange connection, 4 spiral structure, Y- sealing surface material is hard alloy. 160 table nominal pressure 16MPa

Q:Is it necessary to install a check valve in front of the water meter? Does the water company have a definite requirement?: To install a check valve, or, when the tap water supply, there is water in the pipe will flow back, but the water meter will not reverse, if there is air in the water pipe, this phenomenon continues to cycle, virtually increase the number of water charges

Q:What can I do with the lift check valve?: With the structure of short length, small volume and light weight, the valve closed fast, water hammer pressure, flow smooth, fluid resistance small, horizontal or vertical pipe pipe can be used, easy installation, quick action, good sealing performance, the valve stroke is short, close the valve impact force is small, simple and compact, beautiful appearance, service life long, high reliability, to prevent the media back, the characteristics of automatic control. A lift check valve is used on an industrial pipe to prevent the flow of a medium.

Q:Pump adapter need check valve?: Pump adapter need check valve?

Q:What about boiler non-return valve without return?: There are two reasons: 1 pipe dirty, need to clean up.2 pressure difference between the two sides of the valve, see the pressure on both sides is how much?

Q:What kind of valve does the check valve belong to?: 1. check valves are automatic valves;2., if the valve is cast iron, can be cast iron valves; if the valve is cast steel, can be cast steel valves; of course, can also beIn copper valves, stainless steel valves,,,,,,,3., if used in steam, can belong to the steam valve

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