Adoption Standard of check valve
Item | Adoption standard | |
Design Manufacture Acceptance | GB/T12235 | |
Valve structure lengh | GB12221-1989 | |
Valve flange length | GB9113-2000 | |
Inspection | GB/T13927-1992 | |
Mark | GB12220-1989 | |
Performance parameter:
Product Name | Flange Lift Check Valve (Horizontal, Vertical) |
| Connection | Flange type |
| Nominal diamater | DN15~DN300 |
| Nominal pressure | PN10/PN16/PN25 |
| Test pressure | Shell test:PN×1.5 Seal test:PN×1.1 low pressure seal test:0.1MPa |
| Surface treatment | Stainless steel Body |
| Applicable temperature | rigidity seal≤350°C,soft seal≤80°C |
| Applicable mediums | General corrosion and strong oxidizing property mediums like water, steam, Food, acetic acid, nitric acidand other liquids. |
Optional materials for parts
| Name | Optional Materials |
| Body | Cast Steel(WCB), Stainless steel304 316 316L |
| Cover | Cast Steel(WCB), Stainless steel304 316 316L |
| Disc | Cast Steel or Lining Rubber, Stainless steel304 316 316L |
| Spacer | Graphite winding Spacer, PTFE |
CHIOSE 2:
| Main Parameters : | ||||||||
| Design and Manufacture:BS 1868,ASME B16.34,API 6D | ||||||||
| Face to Face Dimension:ASME B16.10,API 6D,EN558 | ||||||||
| Flange Connection Dimension:ASME B16.5,ASME B16.47 | ||||||||
| BW Connection Dimension:ASME B16.25 | ||||||||
| Pressure-Temperature Ratings:ASME B16.34 | ||||||||
| Test and Inspection:API 598 | ||||||||
| Type of Operation:Manual,Gear,Electric,Pneumatic | ||||||||
| Main Materials:WCB,WCA,WCC,WC6,WC9,C5,C12,LCB,LCC,CF8,CF8M,CF3,CF3M,CF8C,CN7M |
Material of construction: | |||||
| Body | A536 Gr.60-40-18 | LCB | WCB | CF8 | CF8M |
| Bonnet | A536 Gr.60-40-18 | LCB | WCB | CF8 | CF8M |
| Disc | A536 Gr.60-40-18 | 304 | 13CR | 304 | 316 |
| Hinge | 1045 | 304 | 410SS | 304 | 316 |
| Seat Rings | Bronze | Hard Face | Hard Face | Hard Face | Hard Face |
| Hingen Pin | 1045 | 304 | 410SS | 304 | 316 |
| Bonnet | Flexible | Flexible | Flexible | Flexible | Flexible |
Gasket | graphite | graphite | graphite | graphite | graphite |
| Disc Nut Pin | 1045 | 304 | 410SS | 304 | 316 |
| Bonnet Stud | A 193 GR.B7 | 304 | A 193 GR.B7 | 304 | 304 |
| Disc Nut Washer | 1045 | 304 | 410SS | 304 | 304 |
| Disc Nut | 1045 | 304 | 410SS | 304 | 304 |
GUANGZHOU KINGMETAL STEEL INDUSTRY CO., LTD. is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipe fittings, flanges, valves . We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.
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