Definox Manual Pressure Relief Flow Control Valves

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If you are interested in this product, please contact us for further assistance.


Size Range: 1-1/2”, 2


Body/Stem: 316L SS

Operator: 304 SS

Valve seals: FKM plug seal, FKM stem seal & body seal

Optional seals: EPDM plug seal, EPDM stem & body seal

Connections: OD tube butt weld, Sanitary clamp, Others upon request

Surface Finish: Ra Interior = 32Ra, Ra Exterior = 40-50Ra


  • Manual adjustment of relief pressures with the option of three different spring ranges.
  • SMS style body nut for easy inspection, maintenance, and cleaning.
  • Heavy wall machined spherical bodies guarantee excellent resistance to thermal expansion and contraction.
  • Body configuration: (L) type only.

Max. temperature: 248°F (depending on seal type)

Min. temperature:  32°F

Available Springs:

#1 0-51 psi relief pressure

#2 44-110 psi relief pressure

#3 110-175 psi relief pressure

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