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Diaphragm Control Valve
The Diaphragm Valve is essentially a simple pinch clamp, closed by pressing a flexible diaphragm against transverse weir, when fully closed, the diaphragm seats against the weir providing a leak tight closure. The diaphragm valves are recommended for handling sticky and viscous fluids, slurries and highly corrosive and hazardous substances and other hard to handle mediums or where tight closure is prime factor. It is the most ideal valve to handle fluids that require high purity and should remain free from contamination. The Diaphragm Valve is a simple pinch type valve and of low pressure type because of large area of diaphragm and is extensively used for both On/Off and throttling services and finds its application in Waste & Water Treatment Plants, Filtration Plants, Chlorination Plants etc
The Diaphragm Valve is essentially a simple pinch clamp, closed by pressing a flexible diaphragm against transverse weir, when fully closed, the diaphragm seats against the weir providing a leak tight closure. The diaphragm valves are recommended for handling sticky and viscous fluids, slurries and highly corrosive and hazardous substances and other hard to handle mediums or where tight closure is prime factor. It is the most ideal valve to handle fluids that require high purity and should remain free from contamination. The Diaphragm Valve is a simple pinch type valve and of low pressure type because of large area of diaphragm and is extensively used for both On/Off and throttling services and finds its application in Waste & Water Treatment Plants, Filtration Plants, Chlorination Plants etc
- It is a full bore straight through, give high flow performance with minimum turbulence, while giving 100% leak tight closure.
- Perfect sealing and longer diaphragm life due to weir design
- Valve is self cleaning with no pockets, recesses, corners, grooves or sharp edges in the direction of flow.
TECHNICAL SPECIFICATION
TECHNICAL SPECIFICATION
- Body : Globe type, closed bottom, drain plug optional.
- Size : 15mm to 150mm ( ½” to 6”)
- End connection : Flanged, Screwed (male/female),S/W B/W.
- Rating : ANSI 150 to 600# & equivalents in BS/DIN/IS.
- Bonnet : Standard, extended, extended finned.
- Trim forms : Plug
- Top guided contoured/cascade/needle plug.
- Pressure balanced cage guided contoured plug.
- Multi hole cage guided plug.
- Flow char’c : On-off, linear, equal %.
- Seat leakage : Class III, IV, V & VI of ANSI B 16.104.
- Actuator : Diaphragm & Cylinder.
- Actuator type : Direct acting , Reverse acting & Double acting
- Accessories : Valve Positioner, air filter, regulator, solenoid Valve, air- lock Relay, Volume booster, Limit switch etc...
MATERIALS OF CONSTRUCTION
MATERIALS OF CONSTRUCTION
- Body& Bonnet : Cast Iron, Carbon Steel, Stainless Steel, Alloy steel, Hastelloy B/C, Monel, Inconel, etc…
- Trim : SS304/306, Alloy 20, Monel, HastelloyB/C, 17-4 PH, Stellite Faced, Full Stellite.
- Soft Seating : Teflon, Viton, Glass Filled Teflon, Carbon Seal Ring.
- Gland Packing : Teflon, Teflon Asbestos, Grafoil, Grafoil-Asbestos
- Actuator Diaphragm : Nitrile / Neoprene with Nylon Reinforcement.
Globe 2 Way Control Valve
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