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81LA-510 Acetylene Dual-Stage General Purpose Regulator - Brass

USD $584.48

81LA-510 Acetylene Dual-Stage General Purpose Regulator - Brass

USD $584.48
Part Number:    SEQ81LA510
   Availability:   Ships within 24 hours from Montgomeryville, PA

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Product Description

MATHESON made in the USA



General purpose regulator constructed for use with Acetylene gas.


• Acetylene gas service only
• General purpose applications where a constant delivery pressure is required
• Applications with high duty cycle/demanding operating conditions

Acetylene is extremely flammable and explosive. MATHESON strongly recommends that a flash arrestor be used on the outlet of any Acetylene regulator. Click here for more Acetylene safety information.

Design Features

• Chrome plated brass body
• Neoprene diaphragms (1st and 2nd stages)
• 2-1/2” inlet and delivery pressure gauges
• Equipped with outlet needle valve
• Left Hand 9/16-18 outlet connection (Acetylene hose fitting connection)
• One-piece encapsulated seat with (10µ) internal fitter to protect against contamination

Ordering Information  
Part Number Max
Delivery Pressure
Delivery Pressure
Cylinder Pressure
SEQ81LA510* 15 psi 0-30 psi 0-400 psi

*Note: For Acetylene Service Only

Materials of Construction

• Gauges: Chrome plated brass
• Body: Forged brass
• Bonnet: Chrome plated brass (1st and 2nd stages)
• Diaphragm: First Stage – neoprene
• Second Stage – neoprene
• Seats:
          First Stage – PTFE
          Second Stage – PTFE
• Seals: Neoprene

Do you have cylinder holders and carts? Cylinders should be properly secured at all times. Movement of cylinders should only be done with care using approved cylinder handling equipment.


• Maximum Inlet Pressure: 400 psig (2800 kPa)
• Flow Capacity (Cv): 0.15
• Operating Temperature: -20°F to 140°F (-29°C to 60°C)
• Porting (Regulator Body): 1/4” NPT Female
• Porting Configuration: 2 High, 2 Low, 1 Interstage


Instructions, Economy Regulator

Warranty Information

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