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Butterfly Valves

 
"YASH”
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make Butterfly valves are the most efficient and reliable sealing, Maintenance Free, Tight Shutoff Isolation valve mechanism under high vacuum working conditions. Butterfly Valves are of small in terms of thickness which ensures easy and faster passage for air and gases and are ideally suited for "In-line" isolation purpose. A vacuum seal provided around the plate periphery in the main body of the valve ensures full proof working of the valve. For efficient working of the valve it is advised to ensure that the sealing plates are facing atmosphere.

YASH” make Butterfly Valves are offered in stainless steel SS-304 non-magnetic AISI quality high carbon steel chromium plated construction and they can be manually or pneumatically operated as per customer choice. Its application range includes, Process in the Chemical, Pharmaceutical, Power, Plant, Paper, Sugar, Drilling Rigs, Heating & Air Conditioning, Cooling, Water, Water Treatment Plants, & even in the Construction Industries for Compress Air, Water, Fuel, Oils, Gases, Slurries with suitable Seat (lining) & Disc material for a wide range of pressure & temperature.

Off Set Disc Design Butterfly Valve for high pressure and temperature with seat material P.T.F.E., Silicon, Viton, NBR, Nitrile, Neoprene and EPDM. High performances Butterfly Valves are also available with P.T.F.E. (PFA/FEP) lining.

"YASH” make Butterfly Valves with integrally moulded body sleeve are designed for longer life and trouble free performance. Integrally moulded sleeve ensures perfect resistance against friction between the disc and the sleeve. The body seat mechanism offer a very low torque, tight shut off with zero leakage, compact actuator selection, and long life service. The slim-seal design valves are widely available with different combination of body, seat & disc materials to satisfy the need of most industrial application.

Valve disc is designed to ensure smooth straight through flow, which reduces pressure drop across the Valve. Close tolerance maintained between the liner, disc and stem reduces operation torque and ensures smooth and easy operation. Integrally moulded liner got integral gasket with it at both ends of the Valve which eliminates requirement of Valve mounting gaskets.

Designed and manufactured to conform BS 5155/API 609


Technical Specification
Size Range: 50NB – 300NB
Range : 1½” to 24”
Pressure Rating :

ANSI / BS - 125#, 150#

Standard :

Designed and manufactured to conform BS 5155/API 609

End Connections :

Water type, Flanged, Generally conforming to As per ANSI B 16.10

Type :

Center Disc, Offset Disc. Fully Lined Body/ Unlined Body

Temperature Range: 20 to 180° C Pressure range
Disc : Solid-Dual shaft/ Single shaft
Seat: Natural/ Neoprene/ Nitrile/ Silicon/ Vitone Rubber or PTFE

Material:

SS 316/ SS 316 L/SS 304/ CS or any special material

Operation : Manual gear/ Pneumatic - Smooth, Easy, Low-Torque, Long life
Quality : Highest standard in Visual, Materials, Dimensional Accuracy, Operation, Leak-tightness
Testing: Each valve is 100% tested to ensure leak-tightness at Shell, Seat and Gland
Application Industries : Petrochemical, Power, Energy, Thermal, Refineries, Fertilizers, Chemical, Pharmaceutical, Paper, Sugar, Drilling Rigs, Heating & Air Conditioning, Cooling, Water, Water Treatment Plants, & even in the Construction Industries for Compress Air, Water, Fuel, Oils, Gases, Slurries
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Butterfly valves


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