These units are coolant heated and are able to provide liquid vaporization to supply up to 150 kW (200 hp) in industrial engine applications. The L Series regulator provides a negative outlet pressure of -0.37 kPa (-1.5 w.c.). No optional pressures are available. The Model L offers economical performance with full features; rear fuel inlet, primary and secondary diagnostic test ports. Optional silicone diaphragm materials are also available. Regulatory approvals include UL, ULC, E4 Regulation Number 67.
The model LB is a two stage regulator for applications up to 325 HP (242kW) peak or 200 HP (150 kW) continuous for industrial engines. Part number LB is only available with a negative outlet pressure of -1.5″ W.C. (-.37 kPa). This regulator has a rear fuel inlet, and primary and secondary diagnostic test ports.