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.
Key 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