21 www.morbros.com EMERGENCY VENT ACCESSORIES Fig. 244C Flanged Adaptor The 244A can be used with either Fig. 244F or Fig. 143A. *:6 Carbon steel welded rim and skirt. Fig. 244A Pipe Nipple Available (T.O.E.) Threaded One End or (T.B.E.) Threaded Both Ends. *:6 Carbon steel —NPT >>" *:6 Cast iron with NPT “center port” I.D. Companion Flange The 244C can be used with either Fig. 244F or Fig. 143A. Size Weight ! L 7/8 ! D! ,@ ! "# M & % &! L , = ! >E! ,@ &! "# M 2? & % Size Weight ?! L 7/8 ! ½" M & % ! L 7/8 ! D! M & % &! L , = ! >E! M & & % Size Weight >! Q ! && % ?! Q ! 2 & % ! Q ! & & % ! Q ! & % 1/2 " Expansion Relief Valve Used on AST piping for relief of excessive pressure. Valve allows product to return back to storage tank. Ductile iron construction. ? J; * #\] ] Specify 25 or 50 PSI. Primarily for use with leak detection systems. …40 PSI = standard pressure setting. 25 and 100 PSI settings are available. Pressure settings are approximate. ¼" Expansion Relief Valve Used on AST piping for relief of excessive pressure due to outside temperature rise. Valve allows product to return back to storage tank. Especially suited for existing pipeline and by-passing a valve that does not @ $ $! provided. Copper tubing is not supplied. 40 PSI pressure setting is approximate. Size Weight E! $ % Size Weight A! & $ % Fig. 77 244 C 244 A 244 N 77 76 DI & 78DI EXPANSION RELIEF VALVES
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