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