Concentric Disc
Marck Valve Automation is Manufacturer & Supplier Of Butterfly Valve Concentric Disc In India.
A concentric butterfly valve is a straightforward, low-pressure valve designed with the stem positioned at the center of both the disc and the pipe bore. Its disc presses against a flexible, soft seat to create a seal, effectively controlling the flow. Commonly referred to as a zero-offset or resilient-seated valve, it is known for its uncomplicated and economical design. However, during operation, the disc may encounter friction against the valve body as it closes.
DOUBLE FLANGE DAMPER BUTTERFLY VALVE
Product Description
| BODY | DISC | MS FABRICATED (IS 2062 Gr. B) |
| SEAT | METAL TO METAL |
| INSP & TEST STD | BS 6755 | BS 5155 |
| LEAKAGE CLASS | CLASS IV AS PER 16.104 |
| RATING | 5 Kg/Cm ² |
| OPERATING TEMPERATURE | |
| ENDS | DOUBLE FLANGE |
| OPERATION | LEVER | GEAR | PNEUMATIC OPERATED | ELECTRICAL ACTUATED |
| SIZE RANGE | 200 MM TO 2000 MM |
LUG TYPE BUTTERFLY VALVE
Product Description
| BODY | IS 210 Gr. FG 200 | WCB | WC1 | WC6 | WC9 |
| DISC | S.G IRON | WCB | CF8 | CF8M |
| SEAT | MOULDEN NITRILE |
| MFG STD | BS 5155 |
| INSP & TEST STD | BS 6755 | BS 5155 |
| SHAFT | AISI 410 | AISI 304 |
| ENDS | WAFER LUGGED TO SUIT |
| OPERATION | GEAR | ELECTRICAL | ACTUATED |
| HYD-TEST PRESSURE | BODY : 225 Psig (16 Kg/Cm ²) |
| SEAT : 11.5 Psig (11.5 Kg/Cm ²) |
WAFER TYPE “DOUBLE FLANGE”
Product Description
| BODY | IS 210 Gr. FG 200 | WCB |
| DISC | S.G IRON | CF8 |
| SEAT | Nitrile |
| MFG STD | BS EN 593 | API 609 |
| INSP & TEST STD | BS EN 12266 (Part – I) | API 598 |
| SHAFT | AISI 410 | AISI 304 | AISI 316 |
| ENDS | FLANGED TO SUIT ASME B 16.5 (150#) |
| OPERATION | MANUAL | GEAR | ElECTRICAL | ACTUATED |
| HYD-TEST PRESSURE | BODY : 225 Psig (16 Kg/Cm²) |
| SEAT : 165 Psig (11.5 Kg/Cm²) |
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“ECOTECH” SERIES CENTRIC DISC DESIGN BUTTERFLY VALVE MOULDED NITRILE SEAT / EPOXY RESIN COATED
Product Description
| BODY | IS 210 Gr FG 200 | 220 | WCB | CF8 | CF8M |
| DISC | S.G.IRON | SS 304 |
| SEAT | MOULDED NEOPRENE | NITRILE | EPDM | HYPLON | VITON |
| MFG STD | BS 5155 | IS 13095 |
| INSP & TEST STD | BS 6755 |
| SHAFT | AISI 410 | AISI 304 |
| ENDS | WAFER TYPE TO SUIT ASME B 16.5 |
| OPERATION | FLOW -CONTROL LEVER | GEAR | PNEUMATIC | OPERATED | ELECTRICAL | ACTUATED |
| HYD-TEST PRESSURE | BODY : 225 Psig (16 Kg/Cm ²) |
| SEAT : 165 Psig (11.5 Kg/Cm ²) | |
| SIZE RANGE | 40 MM TO 1500 MM |
INVESTMENT CASTING “ECOTECH” SERIES CENTRIC DISC DESIGN NITRILE SEAT /EPOXY RESIN COATED
Product Description
| BODY | ASTM A 351 Gr CF8M |
| DISC | ASTM A 351 Gr CF8M |
| SEAT | MOULDED NITRILE | EPDM | HYPLON | VITON |
| MFG STD | BS 5155 |
| INSP & TEST STD | BS 6755 | BS 5155 |
| SHAFT | AISI 410 | AISI 304 |
| ENDS | WAFER TYPE TO SUIT ASME B 16.5 |
| OPERATION | FLOW – CONTROL LEVER | GEAR | PNEUMATIC | OPERATED | ELECTRICAL | ACTUATED |
| HYD-TEST PRESSURE | BODY : 300 Psig (21 Kg/Cm ²) |
| SEAT : 220 Psig (15.5 Kg/Cm ²) | |
| SIZE RANGE | 40 MM TO 300 MM |
DAMPER BUTTERFLY VALVE WAFER TYPE
Product Description
| BODY | IS 210 Gr FG 200 | 220 | ASTM A 216 Gr WCB |
| SEAT | METAL TO METAL |
| TESTING | HYDROLIC BODY : 10 Kg/Cm ² & SEAT : 5 % LEAKAGE |
| RATING | PN – 6 (MAXIMUM) |
| OPERATING TEMPERATURE | |
| ENDS | WAFER TYPE TO SUIT ASME B 16.5 (150#) |
| OPERATION | LEVER | GEAR | PNEUMATIC | OPERATED | ELECTRICAL | ACTUATED |
| SIZE RANGE | 40 MM TO 500 MM |