Check Valves. UL listed and labeled, FM approved, 175 psi iron body, bronze mounted, horizontal swing check valve with bolted bonnet and flanged end connections. Check valves shall be designed for replacement of internal parts without removal of valve body from piping with the exception that water check valves may be used with freestanding Fire Department Connections.
Check Valves. Check valves shall be measured on an individual basis on the number of each size valve and box assembly acceptably installed.
Check Valves. Check valves shall be paid for at the unit price per each size check valve and box assembly installed and shall cover the cost for all materials, transportation, labor, equipment, excavation, sheeting and shoring, installation of the check valves, concrete vault or manhole, concrete pad or collar, valve identification disc, valve marker, valve tag, polyethylene encasement, protection of existing utilities, backfill material, disposal of unsuitable backfill materials, clean fill, tampi ng, testing, densities, utility crossings, dewatering, trench stabilization, clean-up, restoration and all work and materials necessary to install the check valve and place it in service.
Check Valves. Carbon steel, ASTM A-216 Gr WCB, swing type with bolted bonnet.
Check Valves. Dual check valves shall be 19mm or 25mm bronze female threaded, all position, Inline dual check valves. - Acceptable check valve is a Xxxxxxx or Conbraco or approved equal.
Check Valves. 1. Swing check valves sizes 4-inch (100 mm) through 30-inch (750 mm) shall be constructed of a cast iron body with a bronze seat ring, and a noncorrosive shaft for attachment of weight and lever. Check valves shall comply with AWWA C508 requirements and have a 150-psi minimum pressure rating.
Check Valves. Check valves are hereby required on all connections to steam boilers or on any other connection deemed by the Director of Public Works of the water plant to require one. Safety and relief valves shall be placed on all boilers or other system apparatus connected with the water system where the steam pressure may be raised in excess of 40 pounds per square inch. Penalty, see ' 10.99 METERS
Check Valves. Inlet check valves shall be slow-opening as manufactured by OCV or ClaVal or approved equal. Outlet check valves shall be wafer check valves as manufactured by Xxxxxxxx or approved equal. Valves or all wetted parts shall be NSF 61 approved.
Check Valves. Check valves shall be clear-opening, swing-check type, with a bronze or stainless steel seat ring and an EPDM rubber xxxxxxx facing. Flanged check valves of sizes 4 inch (101.6 mm) and larger shall have flanged inspection and access cover plates.
Check Valves. A. Iron body, bronze trim, swing disc, renewable disc and seat.
