18 www.morbros.com CHECK VALVES By-Pass Valve Used in applications where pressure control is needed such as by-passing a pump in order to reduce the pressure at the outlet. Valve settings are adjustable plus or minus 5-10 PSI from set point. The valve is available in PSI settings from 20 to 75. All brass construction with stainless steel spring and Teflon® packing. Anti-Syphon Valve Used on AST to help prevent a release of product if rupture in the line occurs below liquid level in the tank. The Fig. 910 ER is normally closed and will resist the head pressure and assist in preventing any “siphoning” of tank contents. Expansion relief setting 25 or 50 PSI. &]\ NOTE… > " * :* * : ) = 6 *:6 Body…ductile iron (epoxy coated) Cap and seat…brass Disc…Viton® NOTE… : =< * ) ) ) * ) * :* + &]\ * * 6 ) : :%' * ) :' L * :* M < ' < Size Weight A! $ $ % ! > % Size Weight A! $ % ! $ % Fig. 174 174 910 ER Wafer Check Valve ' > horizontal pipeline. Thin design (¾") ideal when space is limited. 53 /8 X? | < }_{ ! Fig. 646 *:6 Body…nickel plated steel Poppet…stainless steel O-ring seal…Viton® Size Weight 2! > $ % 646 BY- PASS VALVES AND ANTI-SYPHON VALVES Anti-Syphon Valve The Fig. 912 Anti-Syphon Valve is used on storage tank systems to prevent the formation of a syphon in the event of a line break or leak. The Fig. 912 will help prevent $ < ^ hazards. The 912 has built in expansion relief of 25 PSI. The stainless steel/Viton® $ $ compatibility. Fig. 912 *:6 Body…304/316SS wetted components Size Weight D! & $ % ! 2 % 912 #* ' , # : 1” MxFxF NPT Tee with Plug FxMxF NPT Tee with Plug I.D. NUMBER Size Weight I.D. NUMBER Size Weight 912-070511 AT 0.75" 0.6 lbs. 912-070510 AT 0.75" 0.6 lbs. 912-100511 AT 1.00" 1.25 lbs. 912-100510 AT 1.00" 1.25 lbs.
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