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Fisher™ 133 Series Pressure Reducing Regulators
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Fisher 133 Series direct-operated regulators are ideal for industrial and commercial applications supplying gas to furnaces, burners, and other appliances.
A balancing system enables the regulator to control gas pressure accurately for maximum combustion efficiency despite varying inlet pressures.

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Fisher™ 133 Series Pressure Reducing Regulators

Specs

Body Size and End Connection Styles
Cast Iron: 2 NPT, NPS 2 / DN 50 CL125 FF flanged end connections
Steel Body: 2 NPT, NPS 2 / DN 50 CL150 RF flanged end connections
Emergency Maximum Inlet Pressure
Type 133L: 125 psig / 8,6 bar
Type 133H: 125 psig / 8,6 bar
Type 133HP: 150 psig / 10,3 bar
Maximum Outlet (Casing) Pressure
15 psig / 1,0 bar
Operating Maximum Inlet Pressure
Type 133L: 125 psig / 8,6 bar
Type 133H: 60 psig / 4,1 bar
Type 133HP: 150 psig / 10,3 bar
Outlet Pressure Range
2-inch w.c. to 10 psig / 5 mbar to 0,69 bar in 9 ranges
Type 133HP: 2 to 60 psig / 0,14 to 4,1 bar in seven ranges
Pressure Registration
External
Temperature Capabilities
-20°F to 150°F / -29° to 66°C

Features

  • Wide pressure range capability with single regulator
  • Types 133L, 133H, and 133HP suitable for monitoring applications
  • Excellent shock characteristics and fast speed of response
  • Bubble-tight shutoff
  • Spring and diaphragm effects minimized
  • No seat-to-seat adjustment required
  • Easy access to trim parts
  • Steel Body Available