Hydroseal - An used, 1/2" Hydroseal (Kilgore, TX), Pressure Relief Valve, that is in excellent condition, especially internally. This Pressure Relief Valve has a Stainless Steel inlet fitting, and internal, with a cast WCB body. It is a Type #1FRV-0L-E, Serial #A00554, with a Capacity 26 SCFM Air, Set @ 8 psig.
