Type 27S Stainless Steel Restrictor

Item Code: TYPE 27S


The Mooney™ Flowgrid Type 27S variable restrictor provides adjustable system gain, stability, and response. The Type 27S variable restrictor features a built-in check valve to prevent damage to diaphragm if the regulator sees high back pressure. The restrictor is available in both steel and stainless steel constructions with a stainless steel rotor. The Type 27S Restrictor can be used in many other liquid and gas applications.


  • Pressure Ratings - 1500 psig (103.4 barg)

  • End Connections - 1/4” - 18 NPTF

  • Temperature (Nitrile O-Ring) - Working -20°F to 150°F (-29°C to 65°C), Emergency -40°F to 175°F (-40°C to 79°C)

  • Temperature (FKM O-Ring) - 30°F to 200°F (-1°C to 93°C)

  • Body - 303 Stainless Steel

  • Rotor Assembly - 303 Stainless Steel

  • O-Ring - Nitrile (Standard), FKM (Optional

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