Diaphragm Valve

Diaphragm valves serve as efficient on-off valves allowing flow in either direction by means of non-raising spindle. The Glandless design eliminates the emission control Problems and expansive gland maintenance, throttling and control characteristics are enhanced by a streamlined flow path that is cavity free and provide excellent flow control capabilities. This type of valves have smooth flow and simple operations in any positions. Unobstructed passageway when in the “full open” position. This is made possible by the wedge lifting entirely out of the passageway. As a result, Diaphragm valves are characterized by a minimum of turbulence and pressure drop during operation. While Diaphragm valves are well-suited for applications requiring these two factors, they are not recommended for installations where throttling would be a function. They are designed specifically for on/off service. The valve is available in size ranging from DN25 to DN150 and #150 / PN 10 and pressure ratings with flanged ends.

  • Lining thickness 3 mm to 15 mm.
  • Body lining material EPDM, EBONITE BUTYL and VITON.
  • Bi-directional valve with tight shut-off sealing capability.
  • Adaptability to fit between companion flanges of all popular flange standards.
  • The valve can be supplied with a matching pneumatic actuator, operable along with limit switches, positioners, and other accessories. These components can be combined to form a complete flow control system.
  • The valve is available in sizes ranging from DN25 to DN150, with pressure ratings of # 150 / P N10 a n d features flanged ends.
Design Standards BS 5156 / ENl 3397 / MSS SP - 88
Size Range DN 25 to DN 150 [1" to 6"]
Pressure Rating #150 / PN10
Construction Type Weir & Straight Though
Operator Type Hand Wheel & Gear
Top Mounting Flange ISO 5211
Face to Face Standard ASME B16.10 / ISO 5752 / BS EN 558
End Connection Flanged End
Testing Standard BS EN 12266 - 1 / BS 6755 - 1
Diaphragm Material Neoprene Rubber/ EPDM

Materials

  • Cast Iron/ Ductile Iron/ Carbon Steel/ Stainless Steel
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