Structural Feature 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. Artifical Flower Leis, Artifical Flower Neck Ring,Artifical Flower Wreath,Artificial Flower Swag,Artifical Flower Necklace Xuzhou Kylin Craft & Gifts Co., Ltd. , https://www.kylincraftandgifts.com
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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.Â
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Specifications
Applicable Standards
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Design
ASME B16.34, API6DÂ
Fire safe
APIÂ 607Â
Anti static
API 608, API6DÂ
Face to face
ASME B16.10, API6D
Welding ends
ASMEÂ B16.25
Inspection and test
API 598, API 6D Â
Wafer Type Double Disc Dual Plate Swing Check Valve (H76)
Standard and specification