Carbon Steel Wafer Butterfly Tilting Disc Check Valve Flapper Swing Check Valve (HR77)
Wafer check valve is applicable for various pipelines with nominal pressure of PN1.0 Mpa~42.0Mpa, Class 150LB~2500LB and nominal diameter of DN15~1200mm,
NPS 1/2-48 and working temperature of -196~540 degree Celsius to be used for
protecting from medium backflowing.
The different materials selection can apply to the medium involving water, steam, oils, nitric acid, acetid, strong oxidizing medium and urea etc.
1)Standards:
A)Design&Manufacture: API 6D, API 594, ASME B16.34
B)Face to Face: API 594, API 6D
C)Connection End: ASME B16.5, ASME B 16.47
D)Test and Inspection: ISO5208, API 6D
2)Sizes: 2" - 40" or DN50 - DN1000
3)Pressure Rating: Class150 - Class1500 or PN16 - PN250
4)Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.
WORKSHOP
INSPETION
PACKING
Design and manufacture |
API594,API 6D,JB/TB8937 |
| Face to face and end to end |
API594,API6D,DIN3202,JB/T8937; |
| Pressure-temperature rating |
ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74 |
| Inspection and test |
API598,JB/T9092; |
| Pipe flange |
JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47. |
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