3/4" NPT 2-Way Normally Open Gas Vent Valve (370,000 BTU)

Used in double block and vent systems and mounted in the vent piping between the shutoff valves. Provides on-off control of fuel "gas in vent line. Must be vented to the outside atmosphere. Aluminum body. 3/4" thru 2-1/2 pipe size. Features: 2-way normally open operation Die-cast aluminum bodies Zero differential piloted diaphragm Valves provided with pipe tap(s) with plug for routine testing Suitable for ambient temperatures up to 175°F Construction: Body: Aluminum Seals and Disc: NBR Washer: 302 Stainless Steel Core Tube: 305 Stainless Steel Core and Plugnut: 430F Stainless Steel Core Guide: CA Springs: 302F Stainless Steel Shading Coil: Copper Body Gasket: Cork Sleeve and Pin: 416 Stainless Steel Pipe Plug: Zinc-Plated Steel