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Concentric Butterfly valve
Concentric Butterfly valve Technical Detail
Design And Manufacturing: API 609 / BS EN 593/BS 5155/IS 13095
Valve Face To Face Dimension: API 609 CAT. B-A / BS EN 558/BS 6755 PART – I /IS3095
Flange Standard Conformity: ASME B16.5 150# RF
Inspection & Testing: API 598 / BS EN 12266-1
Top Mounting Flange: ISO 5211
Seat Leakage: Tight Shut Off
Description
RK concentric butterfly valves are widely used in various industrial fluid control applications. The fully rubber-encapsulated body is suitable for various corrosive service conditions. Compared with conventional gate, globe and ball valves, the weight is much lower. Due to the rapid development of artificial rubbers it is possible to use this valve within the modern chemical industry.
Features
Renewable Seats
reliable & Effective Tight Shut-Off
Minimum Wear Of Rubber Lining During Opening/ Closing
Suitable For Vacuum Application
Material Construction:
| Description | Material |
| Body | C.I. / WCB / CF8 / CF8M |
| Disc | C.I. / WCB / CF8 / CF8M |
| Shaft | S.S.410 / S.S.304 / S.S.316 |
| Seat | Nitrile / EPDM / Silicon / Viton / PTFE /GFT |
| “O” Ring | EPDM |
| HEX BOLT | S.S.304/S.S.316 |
| Operation | Lever / Gear / PNEUMATIC / ELECTRICAL Actuator |
| Fastener | S.S 202/S.S.304 |
| Retainer | M.S/CF8/CF8M |