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Swing Check Valve Vertical Check Valve Used for single -direction flow in a With Extractable Poppet ... for use in horizontal pipeline and/or to check valve applications where easy isolate product in a multi -product access is to be maintained for poppet Fic handling system. Poppet and seats are metal Fig. 246A removal and repair. Plate detaches from valve body and may allow some seepage over long periods allowing access to poppet/seat assembly. Poppet and of time. Expansion relief is available. seats are metal and may allow some seepage over long Options/Description periods of time. Construction Details Expansion relief available (except 246AL); specify 25 or 50 PSI when Body and cover plate... cast iron (epoxy coated) ordering. Cap...brass am Insert/poppet assembly... brass Fig. 246A ... brass body, cap and Gasket ... Viton® internals. Threaded connections. Cold, non -shock pressure limit= 200 PSI WOG. Fig. 246DRF Fig. 246ADI ... same as 246A, but constructed of ductile iron. Fig. 246DRF... same as 246ADI, but with 150# raised -face flanged connections. Em Double Poppet Vertical Check Valve For standard check valve applications such as "holding prime" on a pump. Poppet and seats are metal and may allow some seepage over long periods of time. All brass construction and made to be mounted in the vertical position with product flow upward. Fig. 335BP... same as Fig. 335B, but equipped with a test plug. Wafer Check Valve .................. 137 Series Angle Check and Back Pressure Valve Single Poppet/Spring Loaded... Fig. 137 ... fitted with a light spring and soft seat and made for standard check valve applications. All brass. Bu N disc (std). Teflon® and Viton® availa Fig. 137B ... fitted with heavy spring and metal seat. Used for "back pressure' applications. All brass construction. 'Fig.�11371 1376 'Available with expansion relief. Specify 25 PSI or 50 PSI. NOTE... opening pressure settings are approximate ............................. Vertical Check and - Back Pressure Valve Used for single -direction flow in a horizontal pipeline. Thin design (3/") ideal when space is limited. 53/8" OD fits into 3",150# flange bolt - pattern. Construction Details Body ... nickel plated steel Poppet... stainless steel O-ring seal... Viton® Fig. 646 U Morrison Bros. Co. 800.553.4840 Single Poppet/Spring Loaded... Fig. 158A ... fitted with a light spring and soft seat and made for standard check valve applications. All brass. 4" body is aluminum. 'Fig 158/ Buna-N disc (std). Teflon® and Viton® available. 158B Fig. 158B ... fitted with heavy spring and metal seat. Used for "back pressure" 'Available with expansion relief (1" to 4"). Specify 25 PSI or 50 PSI. NOTE... opening pressure settings are approximate Page 17