He mea hana ʻoihana ʻo Zhongfa Valve o nā ʻāpana valve butterfly a me nā valves butterfly, i hoʻokumu ʻia i ka makahiki 2006, e hāʻawi ana i nā valves a me nā huahana ʻāpana valve butterfly i nā ʻāina he 20 a ʻoi ma ka honua, a ʻo ka mea aʻe, e hoʻolauna ʻo Zhongfa Valve i kahi hoʻolauna kikoʻī o nā ʻāpana valve butterfly.
Aia ka kiwikā pulelehua i nā ʻāpana penei, ʻo ka inoa o nā ʻāpana pulelehua ke kino kiwikā, ka Disc kiwikā, ke koʻokoʻo kiwikā, ka noho kiwikā, ka ʻili sila, a me ka mea hoʻomaka hana, i kēia manawa, e hoʻolauna mākou i kēia mau ʻāpana kiwikā pulelehua pākahi.
# 1 Nā ʻāpana valve pepeke -- Kino valve
Kūkākūkā mākou i ke kino valve e pili ana i ka pilina a me nā mea
1. Ma ke ʻano laulā, e like me nā ʻano pili like ʻole, he ʻano flange, ʻano wafer, a me ke ʻano lug nā kiwikā pepeke, a ua hōʻike ʻia nā ʻano kokoke ma ke kiʻi. No kēlā me kēia ʻano pili, aia nā ʻokoʻa liʻiliʻi e like me nā ʻōmole like ʻole, e like me ka kiwikā pepeke wafer, loaʻa iā Zhongfa Valve nā ʻōmole maʻamau.
2. Wahi a ke ʻano o ka mea hana, ʻo nā mea maʻamau he kino hao ductile, kino kila kalapona, kino kila kila, kino keleawe, a me ke kino kila super duplex.
#2Nā ʻāpana kiwikā pepeke--Pākuʻi Valve
ʻOkoʻa nō hoʻi ke ʻano o ka pā kiwikā, pā pine, pā pinless, pā me ka laholio, pā me ka Nylon, pā Electroplated, a pēlā aku, ʻO ka maʻamau, ua koho ʻia ka pā kiwikā e like me nā kūlana hana a me ka waena.
No ka diski pine ʻole, aia kahi ʻau ma o a me ka ʻau hapalua pālua, ʻo ka diski me ka ʻole o kahi pine e hōʻemi i ka pilikia o ka leakage, no ka Disc me kahi pine, ʻo ia paha ua ʻaʻahu ʻia a popo paha ka pine ma hope o ka manawa lōʻihi, ʻo ka media mai ka pine ma ka disc e leakage ana i ka lua o ke koʻokoʻo. Makemake mākou e koho i kahi disc pine ʻole no kā mākou mea kūʻai aku.
# 3 Nā ʻāpana kiwikā pepeke--Valve Spindle
ʻO ke kaula valve butterfly i kapa ʻia hoʻi ke kumu, hoʻohana ʻia no ka hoʻoili ʻana, ua pili i ka actuator a i ʻole ka lima, ʻo kēia ka mea e hoʻokele pololei ai i ka wili ʻana o ka pā valve, i mea e hoʻokō ai i ke kuapo valve butterfly a i ʻole ke kuleana hoʻoponopono.
1. Mai ka mea hana: Hana ʻia ka mea spindle i ke kila kila a me ke kila kalapona, a ʻo kāna code: kila kila (2cr13, 304, 316, 316L), kila kalapona (35, 45, Q235).
2. Mai ke kaila: kiwikā pepeke ma o ke koʻokoʻo (hema) a me ka hapalua koʻokoʻo pālua o ka kiwikā pepeke (ʻākau).
a: Ma ke ʻano o ke kumukūʻai: ʻoi aku ke kumukūʻai o ka hapalua-ʻau pālua ma mua o ka through-shaft.
b: Ma ke ʻano o ka hoʻohana ʻana: hiki i ka hapalua hapalua pālua ke hana ma mua o DN300, a hiki i ka ma o ke koʻokoʻo ke hana iā DN800.
c: Ka maʻalahi o nā mea hoʻopili: hiki ke hoʻohana ʻia nā mea hoʻopili ma o ke koʻokoʻo ma nā kiwikā pepeke i hoʻopaʻa ʻia me ka wikiwiki haʻahaʻa. Hiki ke hoʻohana ʻia nā kiwikā pepeke semi-koʻo pālua wale nō, a kiʻekiʻe ka wikiwiki o ka ʻōpala.
d: ʻAhaʻōlelo: ʻo ke ʻano hana ma o ke koʻokoʻo me ke kui ʻole ke ʻano kumu i ka hoʻolālā ʻana, hoʻolālā maʻalahi, hana koʻokoʻo, pilikia hana hapalua koʻokoʻo pālua, i māhele ʻia i ke koʻokoʻo luna, a me ke koʻokoʻo haʻahaʻa.
# 4 Nā ʻāpana valve pepeke -- Noho Valve
Hiki ke hoʻokaʻawale ʻia ka noho laholio o ka valve pulelehua sila palupalu i ka noho laholio paʻakikī a me ka noho laholio palupalu, a ʻo ka noho o ka valve pulelehua sila paʻakikī he sila propriety a me ka sila multi-level.
ʻO ka ʻokoʻa ma waena o kahi noho laholio paʻakikī a me kahi noho laholio palupalu o kahi valve butterfly: ua paʻi ʻia ka noho paʻakikī ma ke kino valve me nā abrasives, ʻaʻole hiki ke hoʻololi ʻia e ia iho a koi ʻia kahi flange kūikawā no ka valve butterfly; hana ʻia ka noho palupalu e ke kumu hoʻohālike, hiki ke hoʻololi ʻia e ia iho a hiki ke hoʻohana ʻia me kahi flange ʻaʻole kūikawā no ka valve butterfly.
Ma ke ʻano o ke ola lawelawe o ka noho laholio, ʻoi aku ka lōʻihi o ke ola lawelawe o ka noho hope palupalu ma mua o ka noho hope paʻakikī, ʻo ia hoʻi kahi ʻano ākea nui. ʻO ke kaʻina hana lōʻihi o ka valve e hoʻohana ai i ka hopena o ke koʻokoʻo noho valve. Ma hope o ka liki ʻana o ka wai o ka noho hope paʻakikī ma hope o ka liki ʻana o ke kino valve ma waho o ka hanana liki. Akā, ʻaʻole ʻike ʻia ke kua palupalu ma kēia kūlana.
# 5 Nā ʻāpana valve pepeke -- ʻIli sila
aia nā sila palupalu a me nā sila paʻakikī,Ke koho ʻana o nā mea sila palupalu:
1, ʻO ka laholio (me ka laholio butadiene, ka laholio EPDM, a me nā mea ʻē aʻe), i hoʻohana nui ʻia i nā paipu haʻahaʻa ma luna o ka ʻaila a me ka wai.
2, Palakiko (PTFE, nylon, a me nā mea ʻē aʻe), ʻoi aku ka nui no nā mea ʻino i loko o ka paipu.
ʻAno hana: lima, turbo, uila, pneumatic, hydraulic
Ke koho ʻana o nā mea sila paʻa:
1, metala keleawe (no nā kiwikā haʻahaʻa)
2, kila kila Chrome (no nā kiwikā kaomi kiʻekiʻe a me ka waena maʻamau)
3, Stellite alloy (no nā kiwikā wela kiʻekiʻe a me ke kaomi kiʻekiʻe a me nā kiwikā corrosive ikaika)
4, Nā mea hoʻohuihui nickel (no nā mea ʻino)
# 6 Nā ʻāpana valve pepeke -- Operation Actuator
Hoʻohana pinepine ʻia nā kiwikā pulelehua ma kēia mau mea, ʻo Hand Lever, Worm Gear, Pneumatic Actuator.
Hana pinepine ʻia nā lima lima me ka paʻa, mālama ʻia me nā kemika, a uhi ʻia i ka pauka. Loaʻa pinepine i ka lima lima kahi lima a me kahi lima e hoʻopaʻa ana, kūpono ia no DN40-DN250.
He kūpono ke kia ilo no nā kiwikā pepeke nui. Hoʻohana pinepine ka pahu pahu ilo no nā nui nui ma mua o DN250, aia nō nā pahu turbine ʻelua-kahua a me ʻekolu-kahua.
Ua māhele ʻia nā mea hoʻohua pneumatic i ʻelua mau ʻāpana, nā mea hoʻohua pneumatic hana hoʻokahi a me nā mea hoʻohua pneumatic hana pālua.
Hiki ke hoʻokaʻawale ʻia nā mea hoʻoikaika uila i nā ʻano huli-maha a me nā ʻano huli-hapa. ʻOi aku ka huli ʻana o ke ʻano huli-maha ma mua o 360° e wehe a pani i ka valve ʻoiai ʻo ke ʻano huli-hapa e huli maʻamau i 90° e wehe piha a pani i ka valve.
A laila, e nānā kākou pehea e hoʻokomo pū ai i nā ʻāpana valve butterfly