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Marsh Bellofram
P140 Pressure Regulator

P140 Pressure Regulator

Product catalog summary

Overview: The Type P140 pressure regulator is designed for regulating natural gas, air, propane, and general-purpose gases. It is suitable for commercial, residential, and light industrial applications, such as burners and unit heaters. The regulator is available with or without internal relief.

Applications: The P140 is applicable to a wide range of gaseous fluids, including air, natural gas, and propane, and can function as an LP regulator.

Specifications:

Inlet/Outlet Sizes: 3/4" x 3/4", 3/4" x 1", 1” x 1", 1-1/4" x 1-1/4"
Maximum Allowable Inlet Pressure: Refer to chart
Temperature Range: -20˚F to 150˚F
Approximate Weight: 4 lb. (1.8 kg)

Materials of Construction:

Body, Bonnet: Iron, Aluminum
Diaphragm, Diaphragm Assembly, Gaskets: Nitrile
Vent Screen: Stainless Steel
Spring, Diaphragm Piston: Zinc-Plated Steel

Versions and Configurations:

Relieving and Non-Relieving Versions
Port Sizes: 3/4" NPT, 1" NPT, 1-1/4" NPT
Body Construction: Straight or 90 Degree Angle
Spring Range: Various ranges in WC and PSIG
Relief Spring Options: Non-Relieving, 5" to 9" WC Above Set
Orifice Sizes: 1/8" to 1/2"
Port and Bonnet Orientation: Multiple positions available

Performance: The document includes detailed flow capacities in SCFH for different outlet pressures and orifice sizes, as well as performance curves illustrating outlet pressure versus inlet pressure for various configurations.

Parts and Dimensions: The document lists standard parts with part numbers, including bonnet caps, adjustment screws, range springs, orifices, iron bodies, relief springs, and diaphragm assemblies. Dimensions are provided for installation and assembly.

Catalog excerpts

• Versatile • Control Accuracy • Compact Design The Type P140 pressure regulator is ideal for natural gas, air, propane and general purpose gas pressure regulation. Uses include commercial, residential and light industrial for burners and unit heaters. Available with or without internal relief. Applications Applicable to a wide range of gaseous fluids, including air, natural gas and propane. Can be used as a LP regulator. Max Inlet Pressure (PSIG)

Open the catalog to page 1

1" outlet, 1" vent port, 7" WC regulator set point Outlet Pressure, PSIG Outlet Pressure, PSIG Outlet Pressure, PSIG Inlet Pressure, PSIG Inlet Pressure, PSIG

Open the catalog to page 3

P140 Pressure Regulator

P140 Pressure Regulator

Catalog excerpts

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