Ka nui a me ke kaomi ʻana a me ke kūlana | |
Nui | DN50-DN600 |
Paʻi Paʻi | PN6, PN10, PN16, CL150-600 |
He alo a he alo STD | API609, BS5155, DIN3202, ISO5752 |
Hoʻohui STD | PN6, PN10, PN16, DIN 2501 PN6/10/16, BS5155 |
Mea waiwai | |
Kino | ʻO ka hao hao (GG25), ka hao hao (GGG40/50), ka hao hao (WCB A216), ke kila kila (SS304/SS316/SS304L/SS316L), ke kila kila ʻole (2507/1.4529), ke keleawe, ke alumini alumini. |
Disc | DI+Ni, ʻO ke kila kabone(WCB A216), ke kila kila (SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel (2507/1.4529), keleawe, DI/WCB/SS i uhi ʻia me ka pena Epoxy/Nylon/EPDM/NBR/ PTFE/PFA |
Puʻu/ʻau | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
Noho | NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silika, PFA |
E nānā i ka valve, i ʻike ʻia ʻo ka valve hoʻokahi ala, ka valve check, back pressure valve, ua wehe ʻia a pani ʻia kēia ʻano valve e ka ikaika i hana ʻia e ke kahe ʻana o ka mea waena i loko o ka pipeline, a no ka valve aunoa.ʻO ka hana o ka valve check ka mea e pale ai i ka hoʻihoʻi ʻana o ka waena, ka hoʻohuli ʻana o ka pāpaʻi a me kāna kaʻa hoʻokele, a me ka hoʻokuʻu ʻana o ka medium i loko o ka ipu.He ʻano maʻamau maʻamau o ka pahu pahu pahu pālua.Ma ke koho ʻana i nā mea ʻokoʻa, hiki ke hoʻopili ʻia ka wafer check valve i ka wai, ka mahu, ka aila i ka petrochemical, metallurgy, mana uila, ʻoihana māmā, meaʻai a me nā ʻoihana ʻē aʻe., nitric acid, acetic acid, ikaika oxidizing medium a me ka urea a me nā media ʻē aʻe.
Hoʻohana ka swing check valve i ke kūkulu ʻia ʻana o ka lima rocker swing.Hoʻokomo ʻia nā ʻāpana wehe a pani ʻia o ka valve i loko o ke kino valve a ʻaʻole e komo i ke kino valve.Koe wale no ka sealing gasket a me sealing apo i hoʻohana ʻia ma ka ʻaoʻao waena, ʻo ka holoʻokoʻa ʻAʻohe wahi leakage, e hoʻopau ana i ka hiki o ka leakage valve.ʻO ka pilina ma waena o ka rocker arm a me ka disc o ka swing check valve e hoʻohana i kahi hoʻopili pili spherical, i loaʻa i ka disc ke kūʻokoʻa o ke kūʻokoʻa i ka laulā o 360 degere, a loaʻa iā ia ka uku kūpono o ke kūlana.Hoʻohana nui ʻia ia i ka petroleum, chemical, pharmaceutical, fertilizer, etc. , uila a me nā pipelines ʻē aʻe.He kūpono no ka media maʻemaʻe, ʻaʻole kūpono i ka media i loaʻa nā ʻāpana paʻa a me ka viscosity kiʻekiʻe