Supplier Fisher™ Type 133 Pressure Reducing Regulator

WWW.DISTRIBUTORALATINDUSTRI.COM | Supplier Fisher™ Type 133 Pressure Reducing Regulator The Fisher™ Type 133 Pressure Reducing Regulator is a direct-operated, spring-loaded pressure reducing regulator designed to accurately reduce and maintain a constant downstream pressure for industrial and commercial gas applications. The regulator incorporates a balanced valve design that provides stable outlet pressure despite fluctuations in inlet pressure, making it ideal for fuel gas systems supplying furnaces, burners, boilers, ovens, and other gas-fired equipment. It offers fast response, bubble-tight shutoff, and reliable long-term performance with minimal maintenance

Supplier Fisher™ Type 133 Pressure Reducing Regulator

Technical Specification

• Product: Pressure Reducing Regulator
• Brand: Fisher
• Series: 133
• Type: Direct-Operated, Spring-Loaded
• Function: Reduces and maintains constant downstream pressure
• Pressure Registration: External downstream control line
• Applicable Media: Natural Gas, Fuel Gas, Air, Nitrogen, Propane, and other compatible non-corrosive gases
• Body Size: 2 in. (DN50)
• End Connections:
  • NPT Threaded
  • ANSI Class 125 FF Flanged (Cast Iron)
  • ANSI Class 150 RF Flanged (Steel Body)
• Body Material: Cast Iron or Carbon Steel (depending on configuration)
• Trim Material: Stainless Steel
• Maximum Operating Inlet Pressure:
  • Type 133L / 133H: Up to 60 psig (4.1 bar)
  • Type 133HP: Up to 150 psig (10.3 bar)
• Emergency Inlet Pressure:
  • Type 133L / 133H: 125 psig (8.6 bar)
  • Type 133HP: 150 psig (10.3 bar)
• Outlet Pressure Range:
  • Type 133L: 2 in. w.c. to 2 psig (5 mbar to 0.14 bar)
  • Type 133H: 1.5 to 10 psig (0.10 to 0.69 bar)
  • Type 133HP: 2 to 60 psig (0.14 to 4.1 bar)
• Operating Temperature: -29°C to +66°C (-20°F to +150°F)
• Vent Connection:
  • Type 133L / 133H: 1″ NPT
  • Type 133HP: 1/2″ NPT
• Control Line Connection:
  • Type 133L / 133H: 3/4″ NPT
  • Type 133HP: 1/4″ NPT

Features

• Direct-operated design requiring no external power.
• Balanced valve system for precise downstream pressure regulation.
• Wide outlet pressure range with interchangeable control springs.
• Bubble-tight shutoff for improved safety and reduced gas leakage.
• Fast response to changes in gas demand.
• Stable performance under varying inlet pressure conditions.
• External pressure registration for enhanced control accuracy.
• No seat-to-seat adjustment required.
• Easy access to internal trim components for simplified maintenance.
• Suitable for monitor regulator installations (Types 133L, 133H, and 133HP).

Typical Applications

• Natural Gas Distribution
• Industrial Burners
• Boilers
• Furnaces
• Industrial Ovens
• Process Heaters
• Fuel Gas Trains
• Commercial Gas Supply Systems
• Utility Gas Pressure Reduction Stations

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