Watson McDaniel Company Datasheets for Gas Pressure Regulators

Gas pressure regulators reduce the pressure of a gas, as it passes through a cylinder or process line, to another piece of equipment. Regulators are not flow control devices. They are used to control delivery pressure only.
Gas Pressure Regulators: Learn more

Product Name Notes
Pressure Regulating Valve -- 1 1/2" 455 Series 1-6
Pressure Regulating Valve -- 1 1/2" 455 Series 15-45
Pressure Regulating Valve -- 1 1/2" 455 Series 40-70
Pressure Regulating Valve -- 1 1/2" 455 Series 5-20
Pressure Regulating Valve -- 1 1/2" 455 Series 60-125
Pressure Regulating Valve -- 1 1/4" 455 Series 1-6
Pressure Regulating Valve -- 1 1/4" 455 Series 15-45
Pressure Regulating Valve -- 1 1/4" 455 Series 40-70
Pressure Regulating Valve -- 1 1/4" 455 Series 5-20
Pressure Regulating Valve -- 1 1/4" 455 Series 60-125
Pressure Regulating Valve -- 1" 455 Series 1-6
Pressure Regulating Valve -- 1" 455 Series 15-45
Pressure Regulating Valve -- 1" 455 Series 40-70
Pressure Regulating Valve -- 1" 455 Series 5-20
Pressure Regulating Valve -- 1" 455 Series 60-125
Pressure Regulating Valve -- 1/2" 455 Series 1-6
Pressure Regulating Valve -- 1/2" 455 Series 15-45
Pressure Regulating Valve -- 1/2" 455 Series 40-70
Pressure Regulating Valve -- 1/2" 455 Series 5-20
Pressure Regulating Valve -- 1/2" 455 Series 60-125
Pressure Regulating Valve -- 2 1/2" 455 Series 1-6
Pressure Regulating Valve -- 2 1/2" 455 Series 15-45
Pressure Regulating Valve -- 2 1/2" 455 Series 40-70
Pressure Regulating Valve -- 2 1/2" 455 Series 5-20
Pressure Regulating Valve -- 2 1/2" 455 Series 60-125
Pressure Regulating Valve -- 2" 455 Series 1-6
Pressure Regulating Valve -- 2" 455 Series 15-45
Pressure Regulating Valve -- 2" 455 Series 40-70
Pressure Regulating Valve -- 2" 455 Series 5-20
Pressure Regulating Valve -- 2" 455 Series 60-125
Pressure Regulating Valve -- 3" 455 Series 1-6
Pressure Regulating Valve -- 3" 455 Series 15-45
Pressure Regulating Valve -- 3" 455 Series 40-70
Pressure Regulating Valve -- 3" 455 Series 5-20
Pressure Regulating Valve -- 3" 455 Series 60-125
Pressure Regulating Valve -- 3/4" 455 Series 1-6
Pressure Regulating Valve -- 3/4" 455 Series 15-45
Pressure Regulating Valve -- 3/4" 455 Series 40-70
Pressure Regulating Valve -- 3/4" 455 Series 5-20
Pressure Regulating Valve -- 3/4" 455 Series 60-125
Pressure Regulating Valve -- 4" 455 Series 1-6
Pressure Regulating Valve -- 4" 455 Series 15-45
Pressure Regulating Valve -- 4" 455 Series 40-70
Pressure Regulating Valve -- 4" 455 Series 5-20
Pressure Regulating Valve -- 4" 455 Series 60-125
The 455 Series Externally-Sensed Pressure Regulating Valves are used for reducing pressure in steam, air, and water systems. Commonly used in heating and other process applications. Externally-sensed regulators are often...
Pressure Regulating Valve -- 1 1/2" B Series 20-70
Pressure Regulating Valve -- 1 1/2" B Series 40-125
Pressure Regulating Valve -- 1 1/2" B Series 5-35
Pressure Regulating Valve -- 1 1/4" B Series 20-70
Pressure Regulating Valve -- 1 1/4" B Series 40-125
Pressure Regulating Valve -- 1 1/4" B Series 5-35
Pressure Regulating Valve -- 1" B Series 1-12
Pressure Regulating Valve -- 1" B Series 20-70
Pressure Regulating Valve -- 1" B Series 40-125
Pressure Regulating Valve -- 1" B Series 5-35
Pressure Regulating Valve -- 1/2" B Series 1-12
Pressure Regulating Valve -- 1/2" B Series 20-70
Pressure Regulating Valve -- 1/2" B Series 40-125
Pressure Regulating Valve -- 1/2" B Series 5-35
Pressure Regulating Valve -- 2 1/2" B Series 20-70
Pressure Regulating Valve -- 2 1/2" B Series 40-125
Pressure Regulating Valve -- 2 1/2" B Series 5-35
Pressure Regulating Valve -- 2" B Series 20-70
Pressure Regulating Valve -- 2" B Series 40-125
Pressure Regulating Valve -- 2" B Series 5-35
Pressure Regulating Valve -- 3" B Series 20-70
Pressure Regulating Valve -- 3" B Series 40-125
Pressure Regulating Valve -- 3" B Series 5-35
Pressure Regulating Valve -- 3/4" B Series 1-12
Pressure Regulating Valve -- 3/4" B Series 20-70
Pressure Regulating Valve -- 3/4" B Series 40-125
Pressure Regulating Valve -- 3/4" B Series 5-35
Pressure Regulating Valve -- 4" B Series 20-70
Pressure Regulating Valve -- 4" B Series 40-125
Pressure Regulating Valve -- 4" B Series 5-35
The B Series Pressure Regulating Valves are used for reducing pressure in air and water systems. These regulators are commonly found in industrial plants, apartment buildings, water supply systems, schools,...
Pilot-Operated Temp. Regulating Valve -- 1 1/2" DT
Pilot-Operated Temp. Regulating Valve -- 1 1/2" HDT
Pilot-Operated Temp. Regulating Valve -- 1 1/4" DT
Pilot-Operated Temp. Regulating Valve -- 1 1/4" HDT
Pilot-Operated Temp. Regulating Valve -- 1" DT
Pilot-Operated Temp. Regulating Valve -- 1" HDT
Pilot-Operated Temp. Regulating Valve -- 1/2" DT
Pilot-Operated Temp. Regulating Valve -- 1/2" HDT
Pilot-Operated Temp. Regulating Valve -- 2 1/2" DT
Pilot-Operated Temp. Regulating Valve -- 2 1/2" HDT
Pilot-Operated Temp. Regulating Valve -- 2" DT
Pilot-Operated Temp. Regulating Valve -- 2" HDT
Pilot-Operated Temp. Regulating Valve -- 3" DT
Pilot-Operated Temp. Regulating Valve -- 3" HDT
Pilot-Operated Temp. Regulating Valve -- 3/4" DT
Pilot-Operated Temp. Regulating Valve -- 3/4" HDT
Pilot-Operated Temp. Regulating Valve -- 4" HDT
Pilot-Operated Temp. Regulating Valve -- 6" HDT
The HD or D Regulator with the “T” Temperature Pilot is used for controlling temperature in various processes and systems, such as Oil Heaters, Ovens, Process Heaters, Vats, Dryers, and...