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Fisherbrand™ High-Purity Stainless-Steel Single-Stage Regulators

For Semi-Corrosive High Purity Gases. These Diaphragm-Sensed Single-Stage Regulators are designed for analytical applications with intermittent short intervals of use.

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Catalog No. 10-575-128

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For use with high-purity gases, mildly corrosive or reactive gases, and toxic gases where slight variations in delivery pressure can be tolerated.

  • Ultrasonically cleaned 316L stainless-steel construction is highly resistant to inboard diffusion of air
  • 316L stainless-steel bar stock body
  • 10-Micron sintered inboard filter, minimizes damage and contamination from dust, dirt or tank scale
  • PCTFE seat
  • PTFE-resin seals to minimize outgassing and contamination of gas stream
  • Diffusion-resistant, 316L stainless-steel diaphragm packless valve installed on the outlet
  • 2 in. (50.8mm) dual-scale gauges
  • Withstand internal vacuums generated during purging operations

  • Inboard leak rate <1 × 10-9cc/sec. (helium)
  • Operating temperature: -40° to +60°C (-40° to +140°F)
  • Outlet: Diaphragm Valve with 1/4 in. NPT female
  • Delivery pressure change ≤0.53/100psig

Specify cylinder outlet connection (CGA) at time of order.

Order Info

Call Fisher Scientific Customer Service to order. Be sure to specify cylinder outlet connection (CGA) at time of order.



0.25 in. NPT outlet port
316L Stainless Steel
10μ Sintered
Stainless Steel
-°F to +140°F
30 in. Hg 0 to 200 psi
PTFE Resin
2 in.
5 to 125 psi
Gas Regulator
Semi corrosive gases, extremely high purity gases, mildly corrosive or reactive gases, and toxic gases where slight variations in delivery pressure can be tolerated
-4°C to +60°C
3000 psi
5.08 cm


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