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Nipple Check Valve For General Use... -in; talled in fuel line of a suction system directly below the pump to hold Prime- Expansion relief activates below 15 PSI. Fig. 529R ... same as Fig. 529 but without expansion relief. Fig. 529 Fig. 529 is not Construction Details inten'''• , spring and Y prin detection- • -. Bodpoppet... brass range of Pressure O-ring... Viton® Fill Pipe Extension Installed on the tank riser pipe to make up for adjustment in the grade level due to tank settlement. Threads in between the riser pipe and the fill adaptor. Two different heights are available. Construction Details Body ... cast iron Tipple Check Valve For Leak Detection... installed at the outlet of a submersible pump to maintain accurate line pres- sure. Primarily for use with leak detection systems. Expansion relief activates at precise setting. Settings available ... 25 or 50 PSI. Double Tapped ani Duplex Bushings Used in pipe and tank fittin to reduce or adapt to a connection. Cast iron with NPT threads Fig. 530 Construction Details Body, spring and poppet... brass O-ring... Viton® Fig. 571 Size Wei ht Offset 1'h" offset, with 11h- NPT threads. Used when the dispenser, suction stub or dispenser box has not been aligned correctly. Construction Details Cast iron e -coated. Size Weight Fig. 184D ... duplex bushing. Used to connect 2" pipe to dual 1/2" or 3A" lines. Cast iron with brass tubing connectors as shown. One hole is double tapped for the suction line, and one hole is single tapped for the return line. The 4"x 1" x 1" is without compression fittings. Fig. 635 Fig. 184D 184D Size Weight tl Morrison Bros. Co. 800.553.4840 Page 11