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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Product Description:

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.


 


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Q:Are the common check valves stand upright or horizontally installed?
3. install the check valve, pay attention to medium flow direction and check valve arrow direction should be consistent.
Q:What does the check valve h44t-16 mean?
Flanged swing check valve [H stands for check valve, 4 represents flange, 4 represents structural form (swing type), T represents internal copper alloy, and 16 represents pressure 16 pressure. I hope it will help you
Q:An introduction to the check valve
The check valve, also known as reverse flow valve, check valve, back pressure valve, one-way valve. This kind of valve is automatically opened and closed by the force produced by the flow of the medium of the pipeline itself. It belongs to an automatic valve.
Q:How can the check in the faucet prevent water from flowing backwards?
Not to prevent backflow, is able to quickly shut the water, for triple bathtub, can effectively stop the conversion between the bath and small shower water, there is a spring, when the water pressure will be water, a small amount of Water Leakage was shut up
Q:How much pressure is the check valve h47x-10q?
Check valve h47x-10q is 1.0MPa pressureAccording to the provisions of the JB/T 308-2004 valve type programming method:H== check valve4== connection: flange7== structure: butterfly typeX== sealing surface material: Rubber10== pressure rating: 1.0MPaQ== body material: ductile iron
Q:Which type of check valve should be selected for vertical pipes?
The check valve on the vertical pipeline shall ensure that the spool goes back to its position when the fluid is stationary and reversed.Optional:Butterfly check valves, pipes of low pressureVertical lift check valve, high pressure resistance, good tightnessSwing check valve: flow must be from the next up, the pipe diameter is unlimited
Q:What is the air pipe check valve?
The air pipe check valve is installed in the ventilation or air conditioning duct. When the fan is running, the valve is opened and the air flow is passed smoothly. When the fan stops, the valve is closed to prevent the air from reversing.
Q:Can the exhaust air outside the wall be fitted without a check 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 mediumThe installation of check valves (Check, Valve) shall pay attention to the following items:A do not allow the check valve to bear weight in the line, and the large check valve shall be independently supported so as not to be affected by the pressure generated by the piping system.B, when installing, pay attention to the direction of the flow of medium should be in accordance with the direction of the body marked arrow.C and vertical vertical check valves shall be installed on the vertical pipe.D and lift type horizontal check valves shall be installed on horizontal pipes
Q:What's the fire check valve?
The valve of the product is opened, and the direction of opening and opening of the side open type fireproof check valve is consistent with the exhaust direction in the exhaust pipe of the smoke exhauster, and the exhaust is smooth.
Q:What does "H" for H42W check valves mean?
through type ---1B. vertical ---2SwingA. single ---4B. multi flap ---5C. double flap ---6ButterflyA. double valve ---7B. single ---8Shuttle ----9H: Valve code, is the check valve code, 4: connection mode is flange connection; 2: valve form is vertical lift; W: sealed form, on behalf of the body of the sealing surface

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