PARTS LIST & MATERIALS | Part | Description | Std. Mode Ofconstruction | Options | 1. | Body | Cast iron IS 210 Gr. 25, Epoxy Coated | SG iron GGG 40, Cast Steel (WCB), Stainless Steel CF8/CF8M | 2. | Disc | SG iron GGG 40, Epoxy Coated | Cast Steel (WCB) Stainless Steel CF8/CF8M | 3. | Seat | Black Nitrile | EPDM, Neoprene, Viton or as per customer’s requirements | 4. | Shafts | SS410 | SS304/SS316 | 5. | Bearings | Self Lubricating Phosphor Bronze | PTFE | 6. | ‘O’Rings | Nitrile | EPDM, Neoprene, Viton | 7. | Bush | Polyacetal | PTFE | 8. | Taper Pin | En 8 | SS304/SS316 | 9. | Plug | Carbon Steel | SS304/SS316 | 10. | Hand Lever | SG iron Epoxy Coated |
SEAT RING CHARACTERISTIC | Seat | Suitable for | NOt Suitable for | Temp. Range | Nitrile | Water, Hot Water, Animal & Vegetable oil & grease bases & acids | Chlorinated Hydrocarbon ester, ether & ketones | -20 Deg. C to 110 Deg. C | EPDM | Water, Hot water,
Steam, Alcohol | Petrol, Diesel,
Mineral Oil & Grease | -50 Deg. C to 120 Deg. C | Silicon | Hot air, Oxygen,
animal / vegetable oil
& grease | Steam Exceeding 120oC
Concentrated bases &
acids, Petrol, Diesel etc. | -60 Deg. C to 180 Deg. C | Viton | Best Chemical resistant
of all elastomers, High
Vacuum, Motor fuel,
oil, grease | Hydrofluoric acid,
Ammonia Gas. | -10 Deg. C to 160 Deg. C | Neoprene | Refigeration coolant
e.g. (ammonia,
carbon dioxide freon),
Alcohol & Glycol | Motor fuel keton, ester
ether | -30 Deg. C to 90 Deg. C |
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