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

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Shanghai
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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:What are the types of check valves?
The check valve is divided into three kinds: lift check valve, swing check valve and butterfly check valve:1. lift check valve is divided into two types of vertical and horizontal.2. swing check valve is divided into single, double flap and multi flap type of three.3. butterfly check valve is straight through type.The above types of check valves can be classified into thread connection, flange connection, welding connection and clamp connection in connection forms of four kinds.Texture of material1. cast iron check valve2. brass check valve3. stainless steel check valve4. carbon steel check valve
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: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:Butterfly micro stop type check valve HH46XP-10Q, what does the letter mean?
Do not know what you say is the manufacturer of valves, in general, many models are manufacturers themselves according to the specifications of their products set.
Q:Is the check valve a check valve? What is its main purpose?
Check valve, also known as one-way valve or check valve, its role is to prevent the medium back in the pipeline.
Q:Does the check valve of the flue of the range hood work?
Lampblack machine flue check valve is generally installed in the hood outlet check valve, the valve has two blades, a reset spring, exhaust hood leaf was blown open, lampblack machine stop when the blade is spring pressed into the closed state, now is basically take lampblack machine the check valve check valve, but the general tightness is not very good, open the hood can be seen around the gap. According to everyone's reaction and market similar products sold well, smoke hood comes with soot hood flue check valve basically does not work.The picture of the check valve of the flue of the range hood is as follows:
Q:Standard and specification for stop check valves
Design and manufacture: GB12235 structure length: GB12221Pressure temperature range: GB9131, JB/T74, HG20604Connection flange: JB/T79, GB9113, HG20592Test and test: JB/T9092, GB13927
Q:How can the fast closing noise check valve prevent water hammer?
Biaoguan valve that once the pump stopped, check valve spool in the spring or other auxiliary device for double end under the action of force balance in advance to the closed position, can greatly reduce the amount of water and initial water reflux falling height, water hammer force is calculated by gravity superposition, to reduce the amount of water is equal to the reduced gravity, but fell short height reduces the inertia time is relatively reduced speed, and can prevent the formation of destructive or reduce water hammer water hammer.
Q:What are the features of axial check valves?
Axial flow check valve (GB/T 21387-2008) by the standardization of the national valve technical committee (SAC/TC 188). The drafting unit: Shanghai Huatong Valve Co., Ltd., Ningbo aimeike copper valve valve Co. Ltd. Shanghai zhengfeng. Main drafters: Zhang Yonghui, Liu Tienan, Zheng Xuezhen, Chen Tiewang, Meng Aimin. By the national standardization valve technical committee is responsible for the interpretation.TitleAxial flow check valveAuthorState Administration of quality supervision, inspection and Quarantine of the People's Republic of China, China National Standardization AdministrationPublication dateMay 1, 2008LanguagesSimplified ChineseISBNOne hundred and fifty-five billion sixty-six million one hundred and thirty-one thousand two hundred and fiftyForeign nameAxial Flow Check ValvePressChina Standard PressThe number of pagesPage 6FolioSixteenBrandBeijing Jinsong Jian Da Science and technology books Co., Ltd.Axial check valve (GB/T 21387-2008) was published by China standard press.
Q:The Haier electric water heater has a check valve to prevent water from flowing backwards
The cold water pipe already has a check valve. In fact, it also returns the hot water pipe. It also returns the hot water with cold water. It has already met your demand well. To the hot water pipe and then put a completely make an unnecessary move! And it's impossible to get hot water back again. May you enjoy the joy and happiness of hot water!

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