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Home > Hy-Lok Fluid System Products > Valves > Diaphragm Valves
Diaphragm Valves
Hy-Lok Diaphragm Valves offer quick, quarter turn operation, and include an open / closed position indicator for easy readability. Our unique 316L VIM / VAR stainless steel body offers minimum dead space for maximum flow. Diaphragm valve sizes include 1/4" and 1/2". End connection options include male / female ZCR fittings, Hy-Lok tube fittings, and tube butt welds for maximum compatibility.

Sanitary Diaphragm Valve Features

  • Assembled in a class 10 clean room
  • Packaged to meet the strict standards of the hygienic processing industry
  • Internal surface grades include High (Roughness average Ra. of 0.13 µ m / 5 µ m in) and Super (Roughness average Ra. of 0.1 µ m / 4 µ m in)
  • Pressure handling up to 250 psi
  • Supported temperatures up to 150°F


Diaphragm Seat
  • 316L VIM/VAR Stainless Steel Body
  • Minimum dead space for maximum flow
  • Electro Polishing Processing
  • Eligoy Material
  • Excellent corrosion resistance
  • Long cycle life
  • Excellent Chemical Resistance
  • Low coefficient for thermal expansion
  • Minimum contamination

Browse the following Instrument Diaphragm Valve PDF for technical dimensions, temperature & pressure ratings, and ordering information:

Download Diaphragm Valve PDF

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