NRS/OS&Y Kouto Gate Valv BI-Direksyon fas a fas: EN 558 S20 MSS SP-81. Estanda bride: EN1092-2, BS10, T/E, T/D, MSS SP-81 Enspeksyon ak tès: BS EN 12266-1/AWWA C520 Tanperati travay: -20 ℃ a 100 ℃ (-4 ° F a 212 ° F) MATERYÈL NO. Pati Materyèl 1 U Syèj EPDM 2 Kò Ductile lron 3 Kouto SS316 4 Anbalaj PTFE 5 Boulon Nerjaveèi 6 Anbalaj Glann Ductile lron 7 Yoke SS420 8 Tij SS420 9 Tij Nwa An kwiv 10 Handwheel Ductile...