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:Above the flue that valve is called smoke exhaust valve or check valve, I heard there is a five anti exhaust valve
The names are different, and they are acceptable. Five, anti exhaust valve is unique to 10000, the first class of technical effects
Q:Swing check valve can prevent any sewer defection
Check valves belong to the automatic valve, mainly used for one-way flow of media channels, allowing only medium to flow in one direction, to prevent accidents. This kind of valve should be installed horizontally in the pipeline.
Q:What are the ten major brands of copper check valves?
I knew that:1, Amico2, Jie Kelong3 crown4, good day5, KITZ
Q:Are check and check valves the same kind of thing?
Yes, that's right. Ha-ha。 My friend needs an anti - stop valve to find me. I have one for sale here.
Q:How to install the kitchen flue check valve?
First, we should pay attention to the direction of check valve opening, open the location to smoke pipe opposite;Second, we should pay attention to check valve and common flue or after the installation of household flue sealing point, if the conditions are called thick putty plugging;Third, after the check valve is installed and fixed, the smoke exhaust pipe should be tightly packed with the check valve.Remark: when choosing check valve, choose a brand with better sealing effect, such as submarine.
Q:Does the check valve damage affect the flow rate?
Ball check valve will not affect the flow, such as the clip type check valve once damaged, it will affect the flow.
Q:What is the material of H41W-16's check valve?
According to: JB/T 308-2004 "valve type programming method"H check valve4 flange connection1 lift through straight through valve passageW sealing cover for body material16 nominal pressure PN16When the nominal pressure is less than or equal to PN16, do not mark the material code of the valve body, the valve body material is gray iron
Q:Is it necessary to install a check valve in front of the water meter? Does the water company have a definite requirement?
UnnecessaryWater meter before the loss of running water, their own things, do not need customers to bearAfter the water meter is equipped with a small gate valve or a ball valve, it is convenient to repair and replace
Q:The working principle and structure description of the mute check valve
1, when the medium according to the provisions of the direction of flow, the valve by the media force, is open; the medium back, due to weight and disc valve by the medium reverse force, so that the sealing surface of the valve flap and valve seat sealing and closed, to prevent the media counter to.2, the body and valve sealing surface using stainless steel surfacing.3, the length of the valve according to the provisions of GB12221-1989, flange connection size according to the provisions of JB/T79-1994.
Q:Is the check valve in or behind the gate valve? Why?
Pump outlet, check valve, gate valve.Gate valve plays a regulatory role, is the main pipe. Such a sequence can ensure that the water flow during power failure does not cause damage to the gate valve.

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