Check Valves
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A check valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. Special Features: Very low face to face dimension hence space required for mounting is less than 10% of conventional valves Very low weight – total weight is only approximately 1/6 the weight of a conventional valves Saving in terms of overall length required for piping Practically maintenance free due to fewer number of parts and simple construction Self centring in pipeline due to controlled outside diameter, enables easy installation Valve can mount any direction Applications Delivery line of pumps Chemical industry Petrochemical industry Compressed air, gases and vacuum lines Refineries Water and effluent plants Corrosive liquids and gases Filtration and Ion exchange process Constructional Features Body The body is the main pressure containing structure of the valve and the most easily identified as it forms the mass of the valve. It contains all of the valve's internal parts that will come in contact with the substance being controlled by the valve. Disc The disc provides a leak proof closure for the valve body. The disc can rotate on its axis and thereby prevented the local wear. Seat Seat shall be PTFE and conform to relevant standard – Replaceable Technical Specification Design and Manufacturing Standard • API 6D Testing Standard • API 598 Size range • 50mm to 600mm Operation Non slam check valves are opened by the pressure of the fluid and closed by the spring as soon as flow ceases and before reverse flow occurs.
SS Non Return Valves
400 Per Piece
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Foot Valves
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Foot Valves C.R.I. energy efficient frictionless Foot Valves and Reflux Valves are basically swing type Non Return Valves. Foot Valves are available in screwed type construction and Reflux Valves have threaded portions at both the ends. They are specially designed to give an unrestricted smooth flow of water and thus to reduce the frictional losses to a minimum. The C.R.I. frictionless Foot Valve has 'K' value less than 0.8 and 'K' value for Reflux Valves are less than 0.5. Thereby it reduces additional load on prime mover and also gives more discharge. Foot Valve is placed at the lower end of the suction pipe of a centrifugal end suction pumpset to retain water in the pumpset casing and suction pipe to keep the pumpsets always in priming condition. Reflux and Non Return Valves are fitted generally in the delivery pipeline to avoid water hammer, up thrust and backspin effects in the pumping system. These can also be used anywhere in the suction line of which the bottom end is entered into a bore pipe or tube well. The pressure withstanding capacity of Reflux Valve and Non Return Valve are 1 bar and 15 bar respectively Features Suction path is almost straight to the pipe and hence frictional loss is very less. Natural rubber flap totally prevents water leakage Ruggedly built with graded cast Iron Compact design and easy to install Metal parts of Foot Valves are coated with bituminous paint to avoid rust formation It increases water discharge upto 20% and reduces energy consumption upto 10%
Pulp Valves
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Pulp valves a wide variety of pulp valves which finds application in several paper and pulp industries for regulating the flow of semi solid material. Furthermore, these are also utilized in other areas like transportation, military, commercial and residential.
Check Valves
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We are offering check valves. products range: check valve product range : - size: dn50 to dn300 type: swing check rating: class 150,class 300 & class 600 material of construction (moc): • body : sg iron/cf8 • disc : s.g iron cf8,cf8 m * • seal :epdm / nitrile
Pilot Operated Non Return Valve
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Foot Valves
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Foot Valves, Ball Valves, tata pipes, Ms Seamless Pipes, ibr pipes fittings
Non Return Valves
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Non Return Valves, electric tube, Electric Switches, Electric Fan, Wire
Double Block and Bleed Valve
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Double Block and Bleed Valve, Electronic Lubrication Controller
SS Non Slam Check Valve - IBR & NON-IBR
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SS Non Slam Check Valve - IBR & NON-IBR, Boiler Fire Doors & Ash Doors
hydraulic check valve
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hydraulic check valve, Dowty Pump, hydraulic flange, hydraulic pipe clamp