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Items#40 <br /> r 550 Series Nipple Check Valve <br /> S <br /> The Nipple Check Valve is installed at the outlet of a submersible pump <br /> to maintain accurate line pressure. It is primarily for use with leak <br /> detection systems. Expansion relief activates at precise setting, either <br /> 25 or 50 PSI. _ <br /> o <br /> SPECIFICATION OPTIONS: CHARTKEY: <br /> A—Size: 2" <br /> B—Expansion Relief <br /> I.D.NUMBER A B C D E F C—Body:Brass(BR) <br /> s3o--otoo Av 2^ 25 BR ss BR vi D—Spring: Stainless Steel(SS) <br /> 530--0300 AV I r 1 501 BR I ss IBRI E—Poppet: Brass(BR) <br /> F-0-ring:Viton(VI) <br /> UMorrison Bros. V, P.O.Box 238-Dubuque, Iowa 52004-0238 <br /> 563.583.5701 (tel)•800.553.4840.563.583.5028(fax) <br /> Established 1855 www . morbros . com <br />