วาล์วปีกผีเสื้อ NIBCO รุ่น WD-3510-8
OVERVIEW
Valve pressure rating 250 psi wwp Wafer style EPDM molded-in seat liner Designed for normally closed position monitoring Ductile iron disc Stainless steel stem with copper bushings Geometric drive Extended neck Operating mechanism: Manual gear operator Available with (suffix 8N) internal monitor switches UL/ULC Listed FM Approved UL Listed for Indoor and Outdoor Service Conforms to MSS SP-67, MSS SP-25 Size range 2-1/2″ to 8″
รีวิว
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