Butterfly Valves

SEALMEACH Wafer Type, Slim-Seal, Center Disc Butterfly Valves are reliable, maintenance free shutoff with permanently gas-tight seal with an integrally moulded or replaceable elastomer body liner. SEALMECH butterfly valves are available with double gland sealing with P.T.F.E. Bearing Bush. These butterfly valves excess other conventional valves such as gate valve and globe valves in all aspects, especially in terms of light weight, less number of component, no flange gaskets required and economical operation and maintenance costs.

SEALMEACH body seat design offer a very lower torque, tight shut off with zero leakage, and long life service. The slim-seal design valves are widely available with different combination of body, seat (liner) & disc materials to satisfy the need of most industrial application.

Center Disc, Slim-Seal Design
Moulded/Replaceable Seat option
Double Gland Sealing Arrangement

Short Face To Face, Wafer Design Body
Smooth, Easy, Maintenance Free Version
Less Weight, Easy To Install

SEALMEACH High performances Butterfly Valves are also available with P.T.F.E. (PFA/FEP) lining and Nylon Coating on Disc.

SEALMEACH covers Pneumatic Rotary, Quarter Turn Actuator / Pneumatic Cylinder operated valves along with accessories like Gear Box, Solenoid, Limit Switch, Valve Positioner, I/P Converter, Air Filter Regulator etc.

**Standards**
Design Standard	BS 5155/API 609
Inspection & Testing Standard	BS 6755
Face To Face	As Per ANSI B 16.10
End Connection	Wafer Type, Flangeless Suitable To Mount Between ANSI B 16.5/BS 10/DIN/IS Flange
Size Range	1 1/2" To 40"
Pressure Rating	PN 10

**Nomenclature**
Body	C.I. TO IS 210 GR. FG 200/220/250/260/Ductile Iron ASTM A 216 GR. WCB ASTM A 351 GR. CF 8/CF 8M/CF 3/CF 3M
Disc	C.I. TO IS 210 GR. FG 200/220/250/260/Ductile Iron ASTM A 216 GR. WCB ASTM A 351 GR. CF 8/CF 8M/CF 3/CF 3M
Spindle	AISI 410/304/316/304L/316L
Body Liner	Nitrile/EPDM/NBR/Neoprene/Viton/Silicon/Hypalon/P.T.F.E.
Gland Seal	EPDM/Neoprene/Viton/Silicon/P.T.F.E.
Bearing Bush	P.T.F.E.