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3470A Series General Purpose Line Regulator - Brass

USD $454.59

3470A Series General Purpose Line Regulator - Brass

USD $454.59
Part Number:    3470A Series
   Availability:   Ships within 24 hours from Montgomeryville, PA

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Product Description

MATHESON made in the USA



Economical line regulators for general purpose applications.


• Point-of-use pressure regulation of inert gases

Design Features

• General purpose brass body
• General purpose neoprene diaphragm
• Rear inlet with bottom outlet for easy installation
• Equipped with an outlet needle valve
• Porous metal filter protects seat from contamination
• 1/4” NPTM inlet and outlet connections

Ordering Information  
Part Number Max
Delivery Pressure
Delivery Pressure
SEQ3471A 15 psi 0-30 psi
SEQ3473A 50 psi 0-60 psi
SEQ3476A* 125 psi 0-200 psi
3SEQ478A* 200 psi 0-400 psi

*Note: supplied with T-bar instead of black plastic knob

Materials of Construction

• Gauge: Chrome plated brass
• Body: Forged Brass
• Bonnet: Chrome plated zinc diecast
• Diaphragm: Neoprene
• Seat: Neoprene
• Seals: Neoprene
• Outlet Valve Body: Forged brass
• Outlet Valve Packing: PTFE
• Outlet Valve Stem: Stainless steel
• Outlet Valve Seat: Brass


• Maximum Inlet Pressure: 350 psi (2,415 kPa)
• Flow Capacity - Regulator (Cv): 0.53
• Flow Capacity - Valve (Cv): 0.37
• Operating Temperature: -20°F to 140°F (-29°C to 60°C)
• Flow Direction: Back Inlet to Bottom Outlet
• Porting Configuration: 1 High, 2 Low
• Porting (Regulator Body): 1/4” NPT Female
• Inlet/Outlet Connection: 1/4” NPT Male


Instructions, Economy Regulator


Drawing, 3470A

3D Model


Warranty Information

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