duplex swing Check Valves
The corporation upholds the philosophy of “Be No.1 in excellent, be rooted on credit rating and trustworthiness for growth”, will proceed to provide aged and new buyers from home and abroad whole-heatedly for duplex swing Check Valves, Our products love very good popularity between our clients. We welcome customers, company associations and close friends from all components with the entire world to call us and seek out cooperation for mutual positive aspects.
The corporation upholds the philosophy of “Be No.1 in excellent, be rooted on credit rating and trustworthiness for growth”, will proceed to provide aged and new buyers from home and abroad whole-heatedly for check valves, As a way to make use of the resource on the expanding information and facts in international trade, we welcome prospects from everywhere on the web and offline. In spite in the top quality products and solutions we supply, effective and satisfying consultation service is supplied by our professional after-sale service group. Solution lists and thorough parameters and any other info weil be sent for you timely for the inquiries. So make sure you get in touch with us by sending us emails or contact us if you have any concerns about our firm. ou can also get our address info from our web site and come to our enterprise. or a field survey of our solutions. We’re confident that we have been going to share mutual results and build solid co-operation relations with our companions in this market. We’re looking forward to your inquiries.
Product Description
|
Product description |
Swing check valve |
|
Model |
H44H-swing check valve |
|
Nominal diameter |
2”～48”(50mm～1200mm) |
|
Operating temperature |
-196℃～593℃(the range of service temperature may vary for different materials) |
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Operating pressure |
150-2500 CLASS |
|
Material |
Main material: A216 WCB、WCC;A217 WC6、WC9、C5、C12、C12A、CA15;A351 CF8、CF8M、CF3、CF3M、CF8C、CN3MN、CK3MCUN、CN7M;A352 LCB、LCC;A494 CW-6MC、CU5MCuC、M35-1；A995 4A(CD3MN)、5A(CE3MN)、6A(CD3MWCuN)；ASME B 148 C95800、C95500, etc. |
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Design standard |
API 6D、API 594、BS 1868、ASME B16.34、GB 12236、GB 12224 |
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Structural length |
ASME B16.10 |
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Connecting end |
ASME B16.5、ASME B16.25、GB 9113、GB 12224 |
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Test standard |
API 598、ISO 5208、JB/T9092、GB/T13927 |
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Operation method |
The valve clack can be automatically opened and closed with the medium force, movement weight can be increased to facilitate fast closing of valve clack, hydraulic cylinder can be increased to facilitate slow closing of valve clack to prevent vibration of pipeline, and pigging can be performed through manual opening and locking the valve clack at the opening position. |
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Application fields |
For application : offshore oil, petroleum refining, petrochemical engineering, chemical engineering electric power industry, etc. |
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Other remarks 1 |
The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve. |
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Other remarks 2 |
SS+ graphite or metallic seal or pressure self-sealing is adopted between valve body and bonnet for reliable sealing. |
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Other remarks 3 |
Suitable for medium backflow prevention in pipeline or device |
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Other remarks 4 |
Large check valves are designed with hydraulic damping cylinder to prevent the valve clack from bumping the valve seat, damaging the valve or causing pipeline vibration due to fast closing. |
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Other remarks 5 |
In case of pigging requirement, API 6D swing check valve can be manually operated to fix the opening position of valve clack, so as to achieve the pigging objective. |
For carbon steel check valve,the seat is usually forged steel,the sealing surface of seat is spray welded with hard alloy specified by the customer.renewable threaded seat is used for NPS<=10 check valves,and welded on seat can be also optional if being requested by the customer,welded on seat is used for NPS>=12 carbon steel check valves,for stainless steel check valve,integral seat is usually adopted,or to weld hard alloy directly integrally.theaded or welded on seat is also optional for stainless steel check valves if being requested by the customer.
The corporation upholds the philosophy of “Be No.1 in excellent, be rooted on credit rating and trustworthiness for growth”, will proceed to provide aged and new buyers from home and abroad whole-heatedly for duplex swing Valve, Our products love very good popularity between our clients. We welcome customers, company associations and close friends from all components with the entire world to call us and seek out cooperation for mutual positive aspects.
