Flow Restrictor Orifice

GasFlo Products is the leading manufacturer of cylinder valve outlet flow restrictor orifice assemblies in North America. Manufactured to meet specialty gas and ultra-high purity applications; these precision machined components are available in many standard orifice sizes from .005” to .125”. Supplied as a threaded fitting to allow for replacement and size changeability, GFP orifice assemblies utilize a PCTFE seat insert to ensure a leak-tight seal. All RFO’s are electropolished, 100% inspected and laser marked for size identification.

*Custom orifice sizes available upon request. Minimum order quantity may apply.
*Flow coefficients(CV) are approximate and based on nitrogen flow testing.

Origin: Made in USA

  • about Flow Restrictor Orifice

Flow Restrictor Orifice

Part NumberMaterialOrifice Diameter(mm)Cv
FR-SS-05Stainless 316L0.130.00075
FR-SS-06Stainless 316L0.150.0011
FR-SS-07Stainless 316L0.180.0017
FR-SS-10Stainless 316L0.250.0033
FR-SS-12Stainless 316L0.300.0040
FR-SS-14Stainless 316L0.360.0063
FR-SS-15Stainless 316L0.380.0067
FR-SS-20Stainless 316L0.510.013
FR-SS-30Stainless 316L0.760.029
FR-SS-35Stainless 316L0.890.033
FR-SS-40Stainless 316L10.05
FR-SS-60Stainless 316L1.50.11
FR-SS-70Stainless 316L1.780.13
FR-SS-80Stainless 316L20.22
FR-SS-90Stainless 316L2.250.27
FR-SS-125Stainless 316L3.180.41

Flow Restrictor Orifice with installed Filter

Part NumberMaterialOrifice Dia.(mm)Cv
FR-SS-05-FStainless 316L0.13< 0.00075
FR-SS-06-FStainless 316L0.15< 0.0011
FR-SS-07-FStainless 316L0.18< 0.0017
FR-SS-10-FStainless 316L0.25< 0.0033
FR-SS-12-FStainless 316L0.30< 0.0040
FR-SS-14-FStainless 316L0.36< 0.0063
FR-SS-15-FStainless 316L0.38< 0.0067
FR-SS-20-FStainless 316L0.51< 0.013
FR-SS-30-FStainless 316L0.76< 0.029
FR-SS-35-FStainless 316L0.89< 0.033
FR-SS-40-FStainless 316L1< 0.05
FR-SS-60-FStainless 316L1.5< 0.11
FR-SS-70-FStainless 316L1.78< 0.13
FR-SS-80-FStainless 316L2< 0.22
FR-SS-90-FStainless 316L2.25< 0.27
FR-SS-125-FStainless 316L3.18< 0.41
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