RV52

Maxitrol RV52 - straight-thru-flow (STF) design regulators are non-lockup type regulators for high capacities at low inlet pressures.  Vent connection 1/8" NPT - optional vent limiter is available - P/N - 12A04 or 12A06 Vent Limiting 

The unit is supplied with a 3-6" W.C. CSA Certified Spring for outlet pressure.  If you require a different outlet pressure, see below for the available springs. (sold separately)

Max Capacity 450,000 BTU

Max Inlet Pressure - 1/2 PSI ** Maxitrol Tested & for CSA Certification **

Max Emergency Exposure Limit - 3 PSI

Pipe Sizes Available: 1/2"x1/2" NPT / 3/4"x3/4" NPT