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81-2 Series Dual Stage General Purpose Low Delivery Pressure Regulator - Brass

USD $497.09

81-2 Series Dual Stage General Purpose Low Delivery Pressure Regulator - Brass

USD $497.09
Part Number:    81-2 Series
   Availability:   Ships within 24 hours from Montgomeryville, PA


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Product Description

MATHESON made in the USA

 

 

General purpose regulators designed to reduce full cylinder pressure (maximum 3000 psig) down to very low working pressures (0.1 to 2 psig).

Applications

• Regulation of fuel supply to burners.
• Purging low pressure environmental chambers.
• Maintaining low pressure blankets of inert gas on fuel and chemical storage facilities. 

Design Features

• General purpose forged brass body
• 2-1/2” inlet and delivery pressure gauges
• Equipped with outlet needle valve
• Internal interstage relief valve set at 700-750 psig
• Porous metal filter protects seat from contamination
• 1/4” NPTM outlet connection

neworderinginfo-81-2.jpg

Materials of Construction

• Gauges: Chrome plated brass
• Body: Chrome plated forged brass
• Bonnet: Chrome plated forged brass (1st and 2nd stages)
• Diaphragms:
          First Stage – Neoprene
          Second Stage – Neoprene
• Seats:
          First Stage – PTFE
          Second Stage – PTFE
• Seals: Neoprene/Teflon

Specifications

• Maximum Inlet Pressure: 3000 psig (20,700 kPa)
• Flow Capacity (Cv): 0.53
• Internal Interstage Relief Valve: 700-750 psig
• 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

Warranty Information

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