high quality low price pneumatic stainless steel keystone double flange butterfly valve
high quality low price pneumatic stainless steel keystone double flange butterfly valve
Standards:
1) Design and manufacture: API609
2) Face to face/end to end: ANSI B16.10
3) Flange dimensions: ANSI B16.5a
4) Butt welding dimensions: ANSI B16.25
5) Pressure temperature rating: ANSI B16.34
6) Inspection and test: API598
Product parameter:
Nominal pressure (MPa) | 1.0 | 1.6 | 2.5 | |||
Nominal diameter(mm) | 100-600 | |||||
Test pressure (MPa) | Shell | 1.5 | 2.4 | 3.75 | ||
Seal | 1.1 | 1.76 | 2.75 | |||
Applicable temperature | -25~+350 | |||||
Applicable medium | Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, Alkalis, etc. | |||||
Operating mode | manual, worm gear, pneumatic, electric, etc. | |||||
Main materail:
| Part name | Materials |
| body | cast iron, ductile iron, carbon steel, stainless steel, ALB, Brass, Bronze |
| seat | EPDM, PTFE, NBR, Viton, Buna, Hypalon, Neoprene |
| disc | cast iron, ductile iron, carbon steel, stainless steel, ALB, monel |
| stem | stainless steel, carbon steel |
| Bushing | PTFE, Lubricating |
| O-ring | EPDM, Buna, Hypalon, Viton, NEoprene |
Factory:
Certificates:
Andy Zheng
China Tianjin Bell Automatic Instrument Technology Co.,Ltd
Tel: 86-022-27553780
Fax: 86-022-27529983
Mobile: 8613132273221
Email: andy(at)chinabellgroup.com
Skype: bellandyzheng
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