Butterfly Type Doulble Disc Check Valve
1.Design and manufacture:API594,API 6D,JB/TB8937;
2.Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
3.Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
4.Inspection and test: API598,JB/T9092;
5.Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.
1.Short structural length,only 1/4~1/8 of that of traditional flanged check valve;
2.Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve;
3.Quick valve disc closedown,low water hammer pressure;
4.Applicable for and easily installed for vertical or horizontal pipelines;
5.Smooth flow passageway and small fluid resistance;
6.Flexible action and good sealing performance;
7.Narrow valve travel and small closedown impact;
8.Integrated structure,simple and compact,in beautiful shape;
9.Long service life and good reliability.
Sizes: 1/2" - 48",DN15- DN1200
Pressure Rating: Class150 - Class2500,PN16 - PN420
working temperature: -196~540 degree Celsius.
Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.
1 Are you a factory or trading company?
And we have got the verification of compliance ISO9001&CE certificate of
Manufacturing and processing of valves and fittings.
2 Where are the main markets for your products?
We hope to make business with companies from all over the world. And for now, our valves and fittings have Been exported to especially in North America, South America, South Asia, Europe and Middle East.
3 Do you have a minimum quantity of the products?
No, . We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.
4 Are samples available to be sent with free?
It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.
5 Can you print our Logo on the valves?
Yes, we can totally produce products according to your special request, even
6 What is your lead time?
It's around normally. If we have the products in stock, it will be about
7 How can I check your factory situation while it's difficult for me to come to China?
We have photos and videos on our website and facebook, It shows every step of the manufacturing.
8 How can you guarantee the quality of products?
Firstly, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products to make sure every valve or fitting we sell is qualified.