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Marsh Bellofram
BelGas P143 Pressure Regulator

BelGas P143 Pressure Regulator

Product catalog summary

Overview: The Type P143 pressure regulator is designed for regulating natural gas, air, propane, and general-purpose gas pressures. It is suitable for commercial, residential, and light industrial applications, particularly for burners and unit heaters. The regulator features an internal relief device and is available in a low-pressure cut-off (LPCO) version.

Specifications:

Inlet/Outlet Sizes: 3/4" x 3/4", 3/4" x 1", 1" x 1", 1" x 1-1/4", 1-1/4" x 1-1/4"
Maximum Allowable Inlet Pressure: Refer to chart
Temperature Range: -20°F to 150°F
Weight: Approximately 5.63 lb (2.6 kg)

Materials of Construction:

Body, Bonnet: Iron, Aluminum
Diaphragm: Nitrile
Diaphragm Assembly: Zinc/Nitrile
Gaskets: Non-asbestos, CGR 2750
Pin and Vent Screen: Stainless Steel
Spring and Diaphragm Piston: Zinc-Plated Steel

Spring Ranges:

Red Spring LPCO: 4.5" – 7.5" W.C.
Blue Spring LPCO: 6" – 9.5" W.C.
Green Spring LPCO: 7.5" – 15" W.C.
Orange Spring LPCO: 13.5" – 29" W.C.
Purple Spring: 1/2 – 2 PSIG (Standard Only)
Yellow Spring: 1/2 – 3 PSIG (Standard Only)
Black Spring: 2 – 6 PSIG (Standard Only)

Orifice Sizes: Available in sizes ranging from 1/8" to 5/8" depending on the model and application.

Body and Vent Positions: The regulator can be configured in various body and vent positions to suit different installation requirements.

Flow Capacities: The document provides detailed flow capacity charts for different body sizes and orifice configurations, indicating the capacity in SCFH of natural gas.

Contact Information: The document lists contact details for Marsh Bellofram offices in the USA, Europe, China, and India.

Catalog excerpts

• Control Accuracy • Compact Design The Type P143 pressure regulator is ideal for natural gas, air, pro- pane and general purpose gas pressure regulation. Uses include commercial, residential and light industrial for burners and unit heaters. The P143 has an internal relief device and is available in the low pressure cut off - LPCO - version. 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)

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P143 Standard Model Flow Capacities Capacity* in SCFH Natural Gas (0.6 specific gravity - 14.65 psig -65°F) Consult manufacturer for test conditions

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A DIVISION OF MARSH BELLOFRAM High Pressure General Purpose Back Pressure Regulators / Reliet Valves / Manifolds / Instrument Distributors Request a Catalog The BelGAS division of Marsh Bellofram Is a global leader in the manufacturer of both high- and low-pressure, general purpose gas regulators, back pressure relief regulators, flow controllers, manifold systems, instrument air regulators: gauge thermometers, thermowells, needle valves and electronic [pipeline): industrial plant air and gas regulation: and general industrial pressure flIBBIH BELLOFRAM Marsh Bellofram 8019 Ohio River Blvd. Marsh...

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BelGas P143 Pressure Regulator

BelGas P143 Pressure Regulator

Catalog excerpts

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