Fisher 133 Series direct acting voltage regulators are ideal for industrial and commercial gas supply applications in boilers, combustion furnaces and other equipment. It accurately controls the gas pressure through a balancing system, which can achieve high combustion efficiency under various inlet pressure conditions.
Single regulator can withstand a wide range of pressure
Models 133L, 133H, and 133HP are suitable for monitoring applications
Excellent seismic performance and fast response speed
Air tight closure
Minimize the impact of spring and valve film
No need for interseat adjustment
Easy access to spool components
Reusable pressure seal
Pipe stress resistance
