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3030 & 3040 Series High Delivery Pressure Regulator - Brass

USD $856.43

3030 & 3040 Series High Delivery Pressure Regulator - Brass

USD $856.43
Part Number:    3030 Series
   Availability:   Ships within 24 hours from Montgomeryville, PA

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Product Description

MATHESON made in the USA



High-purity brass regulators designed for delivery pressures up to 2500 psig.


• Applications requiring delivery pressures up to 2500 psig.
• Delivery of gas to manufacturing processes, charging of systems, purging.

Looking for something a little bit different? Different inlet or outlet fitting or remove the outlet valve? Check out our Modified 3030/3040 Pressure Regulator.

Design Features

• High-purity brass barstock body
• 316 stainless steel piston
• 2-1/2” inlet and delivery pressure gauges
• Equipped with outlet needle valve
• 1/4” NPTM outlet connection
• Porous metal filter protects seat from contamination
• Panel mountable

Ordering Information  
Part Number* Max
Delivery Pressure
Delivery Pressure
Cylinder Pressure
SEQ3030CGA 1500 psi 0-2000 psi 0-4000 psi
SEQ3040CGA 2500 psi 0-3000 psi 0-4000 psi

*Note: where CGA is replaced by the actual CGA number. Some CGA limitations may apply. (NI) for 1/4" FNPT inlet

Materials of Construction

• Gauges: Chrome plated brass
• Body: Nickel plated brass barstock
• Bonnet: Nickel plated brass
• Piston: 316 stainless steel
• Seat: Kel-F 81
• Seals: Teflon & Viton A


• Maximum Inlet Pressure: 3000 psig (24,100 kPa)
• Maximum Flow Rate (At 2500 psig, N2):
          Model 3030: 4600 SCFH (2170 SLPM)
          Model 3040: 4600 SCFH (2170 SLPM)
• Flow Capacity (Cv): 0.06
• Operating Temperature: -15°F to 165°F (-26°C to 74°C)
• Porting (Regulator Body): 1/4”NPT Female
• Porting Configuration: 2 High, 2 Low

  Mounting Options
  Mounting Bracket for Regulators
Mounting Nuts are also needed (see below).
The regulator knob will have to be removed in order to mount on this bracket.
  Mounting Nuts
These nuts can be used either with the above bracket or for mounting in a panel.
  53 Series Protocol Station
This brass manifold is designed to provide a safe, reliable way of wall-mounting a cylinder regulator. Manifolds are provided a durable stainless steel bracket, stainless steel flex hose (3 ft std.), and a CGA connection with integral check valve.


Flow Curves

Flow Curves, 3030/3040 Series


Instructions, General Regulator

3D Model


Warranty Information