·Osayizi bobuso nobuso bavumelana ne-EN558-1, uchungechunge oluyisisekelo 48(DIN 3202 F6) ukuvala uphawu okuthambile kuvumelana ne-EN 12334
·I-diaphragm iyavalwa, iyashesha futhi ayizwakali
·Impahla ye-diaphragm NBR EPDM
Ukuhlolwa kokugcina kuvumelana ne-EN12266
·Usayizi osebenzayo: DN40~DN500
·Izinga lokushisa elisebenzayo: -20~100°C
Umzimba wevalvu: insimbi eyinsimbi/nodular cast iron
·Valve disc: EPDM isongwe
1. I-Swing check valve disc 90°C isenzo sinikeza umsebenzi ongcono ongabuyisi oketshezini oluhlanzekile.
2. Insimbi engagqwali noma i-bronze yangaphakathi, ukumelana nokuhuzuka okuphezulu, ukusebenza kahle kokuvala kanye nokumelana nokugqwala okuqinile
3. Ivalvu yokuhlola idiski yerabha ivaliwe ngo-45°C, iyashesha futhi ayizwakali, inikeza umsebenzi ongcono wokubuyisela uketshezi olunezinto eziningi zangaphandle.
4. I-valve yokuhlola i-rubber disc swing igoqwe yi-EPDM noma ezinye izinto ezifanele ama-mediums ahlukene.
5. Ingaphezulu nengaphakathi le-valve yomzimba kune-epoxy resin-proof coating-proof coating