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Piston Valve

Piston Valve

Product Details

Brand Name Uni Klinger
Model no. KVN-15-50
End Connections Flanged #150/#300/ DIN PN40
Applications Steam, Thermic fluids, Acids, Gases, vacuum and other critical media.
Available Sizes 15,20,25,32,40 and 50 NB [32 NB available in DIN Overall length only]
Material of Construction ASTM A216 Gr. WCB, ASTM A351 Gr.CF8M (On Request)
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Additional Information

Min. Order Quantity 5 Nos
Delivery Time 3-4 Weeks
Packaging Details Wooden Box

THE PISTON VALVE principle is a KLINGER idea. One of many ideas which has achieved world-wide recognition. Continuously modified and matched to modern requirement, the piston Valve has provided itself by the millions throughout the world. Today we can say with pride that our group is worlds largest manufacturer of valves, based on this design principle. KLINGER Piston valve performance is backed by central R & D of KLINGER at Switzerland.

The shut off assembly comprises of a stainless steel piston, two resilient valve rings and a ferrous metal lantern bush. The sealing consists of the cylindrical surface of the piston and the corresponding inner surface area of the sealing rings. This provides a very large sealing compared with globe valves with conventional design- one of the reasons for the Piston valve’s excellent seal.

The valve Rings are the heart of the piston valve. They are made from KXGT, a material specially developed and exclusively used for the manufacture of valve ring. KXGT consists essentially of asbestos, a high quality elastomer and graphite. KLINGER valve rings are not merely surface graphited; the graphite content extends throughout the ring. For this reason its outstanding self lubricating properties are retained throughout the rings entire service life. KLINGER valve rings are resilient, accurately dimensioned and in consequence of their good recovery characteristics have excellent form retention and long service life. KLINGER valve rings are resistant to water, steam, oils, solvents and wide range of other media. KLINGER valve rings can be used for more than 230 listed fluid media.

Features  :

  • Seatless and Gland less valve.
  • Economic, easy to service.
  • No erosion of sealing surface.
  • Maintenance free.
  • Compensation for thermal expansion with use of
  • Belleville washer.
  • Leak-tight across ports and to atmosphere.

On Request :

  • IBR/Non-IBR
  • MOC : Cast Stainless / Alloy Steel
  • Valve with extended spindle.
  • Valve with Heating Jacket
  • Pneumatic / Electrical Actuator

Installation :
Preferred direction is as per arrow, however this valve is a Bi Directional Valve. This valve can be installed in any position without any adverse effect on performance, seal ability or flow.
Due to soft sealing principle it is advisable to install a strainer upstream of the valve to avoid damage to the rings caused by weld slag, metal and other solid impurities.

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