The Actaris B42R-3/4 is a spring-loaded self-operated gas regulator.  The regulator has a 3/4" internal relief valve, 1/2" x 9/16" orifice, and an outlet pressure range of 6-16" W.C.

The Actaris B42 Series Gas Regulator can be used to control various gases such as air, butane, carbon dioxide (dry), carbon monoxide (dry), natural gas, nitrogen, propane, and propane-air-mix.  The wide range of applicable gases makes it ideal for both residential and light commercial operations.  The B42 is constructed to provide customer satisfaction, cost-effectiveness, flexibility, long service life, product safety, and performance.

The B42 model features an interchangeable aluminum orifice and adjustment spring.  You can add to your purchase the following accessories:
 

MODEL NUMBER	DESCRIPTION
757453	1/2" Aluminum Orifice
757611	1/8" Aluminum Orifice
757619	1/8" Aluminum Orifice
757627	5/16 Aluminum Orifice
757631	3/8" Aluminum Orifice
757651	1/8" x 3/16" Aluminum Orifice
75767101	1/2" x 9/16" Aluminum Orifice
762645	6-8" W.C. Brown Spring
762647	12-28" W.C. Silver Spring
762649	5-7" W.C. Green Spring
762650	1-2 PSI Yellow/Black Spring