Special Gas Pressure Regulators

Gas Pressure Regulator – an essential tool for gas handling system – is a device to control ‘downstream pressure’ from ‘upstream source’ in line with required working pressure that allows optimum gas to flow into the system. To use in Specialty Gases, the regulator must be made with stainless steel or chrome-plated brass depending on the purity level and corrosiveness of the pure gas or gas mixture. For Specialty gas Application Pressure Regulator are fitted with stainless steel diaphragm and mechanically linked to the poppet assembly to provide sealing integrity. Apart from being a high sensitive control device proper sealing diaphragm also prevents the diffusion of atmospheric oxygen into the carrier gases. For Pressure control either stainless steel Diaphragm (for low and medium pressure at downstream) or stainless steel Piston (for high downstream pressure) being used. Reduction of pressure in the regulator can be done either in single stage (one step Reduction) or in Double stage (Reduction in two steps). Inlet Pressure gauge indicates cylinder pressure or the source pressure. Outlet Pressure gauge indicates the pressure at which it is being delivered in the system.

Regulators are available for following gas service :

  • Oxygen
  • Nitrogen/Argo/Helium
  • Air
  • Carbon Dioxide
  • Hydrogen
  • Nitrous Oxide
  • Hydrogen
  • Dissolved Acetylene
  • Ammonia
  • Methane
  • Propone
  • Carbon Monoxide
  • Chlorine
  • Gas Mixture LH
  • Gas Mixture RH

Regular Selection Guide :

Body & Stages(A) Pressure Reducing Method(B) Upstream Pressure gauge Range(C) Delivery Pressure gauge Range(D) Inlet Connection(F) Outlet Connection(G)
Single Stage Chrome plated Brass A1 Diaphragm(SS 316) D 0-300 bar(0-4500 psi)C1 0-17m bar (0-25psi) D1 5/8″ BSP RH F1 1/4″ Nut Ferrule G1
Single Stage Stainless Steel 304 A2 Piston P 0-280 bar(0-4000 psi)C2 0-2.1 bar (0-30psi)D2 5/8″ BSP LH F2 1/2″ Nut Ferrule G2
0-7 bar (0-100 psi)D3
Single Stage Stainless Steel 316 A3 0-125 bar (0-1781 psi) C3 0-16 bar(0-230psi) D4 1/4″ FNPT F3 4mm-12mm Push Fit G3 1/4″
Double Stage Chrome plated Brass A4 0-40 bar(0-570 psi) C4 0-10 bar (0-150 psi) D5 1/2″ FNPT F4 1/4″ FNPT F3 1/4″ MBSP/NPT G4 1/2″
Double Stage Stainless Steel 304 A5 0-16 bar(0-300 psi)C5 0-100 bar (0-1500psi)D6 1″ FNPT F5 MBSP/NPT G5
Double Stage Stainless Steel 316 A6 0-7 bar(0-100 psi)C6 0-150 bar(0-2100) D7


In continuation with the details mentioned in the Gas Pressure Regulator, we here by mention the Specific Regulator at the point of usage in a laboratory. Gas supplied from the gas manifold system through the pipelines and tubing reaches the laboratory at particular pressure for which a control mechanism is needed to drop down the pressure at which gas passes into number of different instruments from the same source at different pressures as required by the application. Point-of-Use regulator is set at particular downstream pressure for steady and uninterrupted flow.

Contact us with your specific needs, we provide all types of combinations

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