{"product_id":"hoffman-specialty-water-main-vent-valve-assembly-401488-12-in-npt-female-x-34-in-npt-male-75-psi-0326-935","title":"Hoffman Specialty Water Main Vent Valve Assembly 401488 1\/2 In. NPT Female x 3\/4 In. NPT Male 75 PSI","description":"\u003cp\u003eUsed in hydronic and process water line applications, the Hoffman Specialty No. 79 water main vent valve (MPN 401488) serves as the primary component of this multi-piece process assembly. The No. 79 features a cast brass body with copper pneumatic bell, a built-in check valve, 1\/2 in. NPT female and 3\/4 in. NPT male straight shank connections, and a maximum operating pressure of 75 PSI (5.2 bar). Maximum hydrostatic pressure is 200 PSI (13.8 bar) and maximum temperature is 250 degrees F (121 degrees C). The valve is tapped at the top for a 1\/8 in. NPT safety drain connection and features a removable top. Designed for use on hot, cold, or glycol water mains and process applications with specific gravity greater than 0.7, this valve is manufactured by Hoffman Specialty, a brand of Xylem Inc. and formerly Bell \u0026amp; Gossett.\u003c\/p\u003e\n\n\u003cp\u003eThe assembly also includes a stainless steel conical vessel (Glacier Tanks, SS304, 2 in. TSMP tri-clamp connection, Rev A), a pressure gauge, two brass ball valves rated 600 CWP, a cast iron manifold body marked MB-304, and associated fittings. The tri-clamp base connection and stainless construction are consistent with sanitary or process fluid applications. Markings on the Glacier Tanks clamp band indicate manufacture date of 2020.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0326-935\u003c\/p\u003e","brand":"Hoffman Specialty","offers":[{"title":"Default Title","offer_id":48970332733680,"sku":"m00935","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/999EDABD-440E-4DA5-B2D9-2AEC82ABCBC4.jpg?v=1773170793","url":"https:\/\/mroexchange.com\/products\/hoffman-specialty-water-main-vent-valve-assembly-401488-12-in-npt-female-x-34-in-npt-male-75-psi-0326-935","provider":"MRO Exchange","version":"1.0","type":"link"}