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ART. 170LP Cast iron (GJL 250) PN 16 horizontal swing check valve brass-rubber trim lever and counterweight - Maran e Peracini S.r.l.
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Amazon.com: 3/4 NPT Swing Check Valve, Heavy Duty Brass Female Thread Horizontal One-Way Non Return Check Valve, Foot Valve Bottom Valve for Water Service, Backflow Prevention : Industrial & Scientific
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