Swing Check Valve

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 1 Piece pc

Supply Capability:: 1000000 Pieces Per Year pc/month

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Swing check valve

*Good quality with reasonable price.

*Qick deliver time and enough store of valves.

*Many types to choose.

Swing check valve

Bolted cover,swing type disc

Threaded or welded seat ring

ASTM A216 WCB,A217 WC6,A351CF8,A351CF8M,

A351 CF3,A351 CF3M,A351 CN7M

Specifications of flanged Swing Check Valve

size: 1/2"-42"

material: steel

Certification:ISO9001,ISO14001,API609,CE0036

Guarantee: 18months

Q:Which kind of steam check valve is good?: The shell material 13, ball valve can be made of stainless steel, sealed hollow sphere parts can be coated PTFE engineering plastics, can also be applied in the pipeline so general corrosive medium, the temperature at -101--150 DEG C, the nominal pressure is less than 4.0MPa, nominal in the range of 200 - 1200;14, for non compressible fluid check valve selection, first of all the required closing speed evaluation, the second step is to select the type of check valve that may meet the required closing speed;15, can be used for check valve selection of fluid compression can be selected according to the similar method can not check valves for compressed fluid flow, if the medium category is used for large, compressible fluid check valve can be used for a slow device, if not continuous medium flow fast to stop and start such as, the outlet of the compressor, use the lift check valves;16 the check valve shall determine the size of the response. The valve supplier must provide the data data of the selected size so that the valve size of the valve opening at a given flow rate can be found;17, for the following DN50mm high and low pressure check valve, should choose vertical lift check valve and straight through lift check valve;18. For DN50mm low pressure check valves, butterfly check valves, vertical lift check valves and diaphragm check valves shall be used;19, for DN greater than 50mm, less than 600mm high pressure check valve, it is better to use swing check valve;20, for DN greater than 200mm, less than 1200mm of medium and low pressure check valve, should choose no wear ball check valve;21, for DN greater than 50mm, less than 2000mm low pressure check valve, Iraq butterfly butterfly check valve and diaphragm check valve;22, for the closure of water shock or small impact of the pipeline, it is appropriate to use the slow closed swing check valve, butterfly butterfly valve closed

Q:What is the function of the check valve installed in the water meter before entering the residential water?: Generally installed after the water meter. The main reason: if the water point is higher than the water meter installation position, once the pipe network in the absence of water, the remaining water in the pipeline will flow in the direction of the water meter in turn. This will cause the water meter to reverse and cause damage to the water meter. A check valve is installed after the water meter, so that the situation can be avoided.The main function of the check valve is to prevent the backflow of the medium, prevent the reverse of the pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure.

Q:What is the reason that the valve is not used for a period of time?Anonymous browsing | 314 times: 4 the vertical lift check valve shall be mounted on a vertical pipe.5, the lift type horizontal check valve shall be installed on the horizontal pipe.6. Do not check the weight of the valve in the line. The large check valve shall be independently supported so as not to be affected by the pressure caused by the piping system.

Q:What is the difference in price between the check valve HH48X-10C and the HH49X-10C?: HH47X, HH48X and HH49X are all the same, all of which are micro blocking, slow closing and butterfly type silencing check valves.

Q:Does the regulator have a check action? If yes, can I use it as a check valve?: There are some regulators that have this reverse cut-off. A regulator without overflow. Such as gas regulator.For example, the compressed air regulator has no reverse cut-off function.Regulators in the form of a lot of specific circumstances, specific analysis, only to exceed the body can withstand the pressure, generally not bad.

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:What is the HH44X-16 H of the double acting slow closing check valve? Can you explain it in detail?: The first H is the meaning of the check valve (the first letter of the Chinese phonetic alphabet). The second H should be the meaning of "slow closing" (the first letter of the Chinese phonetic alphabet).

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:What is the reason that the check valve does not stop water?: 1, the valve at both ends of the road must be blocked, there is dry ventilated room. Such as long-term storage, should always check rust corrosion.2, the valve should be cleaned before installation and eliminate the defects during transportation.3, the installation must be carefully checked on the valve signs and nameplates are in line with the use of requirements.

Q:Is the check valve the same?: Same。 Call a difference; a thing. You come to our store to have a look.

Our products are in accordance with different standards, such as API, DIN, JIS, BS, and GB, as well as non-standards. We also provide OEM products according to client requirements. Our products are widely used in oil refinery, petroleum, chemical plant, power station, natural gas, and civil industry. We have obtained ISO9001 International Quality Management System Certificate.

1. Manufacturer Overview
Location	Jiangsu,China
Year Established	2001
Annual Output Value	US$10 Million - US$50 Million
Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
Company Certifications	ISO9001

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3. Manufacturer Capability
a)Trade Capacity
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Language Spoken:	English
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Factory Size:
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered
Product Price Range	High and/or Average