Ke apo kiwi sila i nā mea maʻamau a me nā kūlana lawelawe Valve manual gas gate valve

Ke apo kiwi sila i nā mea maʻamau a me nā kūlana lawelawe Valve manual gas gate valve

Loaʻa i nā mea apo apo hoʻopaʻa paʻa i ka metala a me ka metala ʻole ʻelua ʻano. ʻO nā mea maʻamau a me nā kūlana o ka hoʻohana ʻana penei:
1. ʻO ka lāʻau synthetic
ʻOi aku ka maikaʻi o ka lāʻau synthetic ma mua o ka lāʻau kūlohelohe i ka pale ʻana i ka aila, ka pale wela a me ke kūpaʻa corrosion. ʻO ka wela synthetic rubber maʻamau t ≤ 150 ℃, ka pulupulu maoli t ≤ 60 ℃, ka pulupulu i hoʻohana ʻia no ke kaomi nominal PN ≤ 1MPa puni honua, ʻīpuka ʻīpuka, ka valve diaphragm, ka valve butterfly, ka valve check, ka valve clamp a me nā kiwi ʻē aʻe.
2, nilona
Loaʻa i ka Nylon nā hiʻohiʻona o ka haʻahaʻa friction coefficient a me ka pale corrosion maikaʻi. Hoʻohana nui ʻia ʻo Nylon no ka wela t ≤ 90 ℃, kaomi nominal PN ≤ 32MPa pōlele pōlele, puni honua.
3. Teflon
Hoʻohana nui ʻia ʻo Ptfe i nā kīwaha honua, nā kīwaha ʻīpuka a me nā kiwi pōpō me ka mahana T ≤ 232 ℃ a me ke kaomi nominal PN ≤ 6.4MPa.
4, hao hao
Hoʻohana ʻia ka hao hao no nā ʻīpuka puka, nā kiwi honua a me nā kiwi hoʻopili no ke kinoea a me ka ʻaila, me ka mahana T ≤ 100 ℃ a me ke kaomi nominal PN ≤ 1.6mpa.
5. ʻO ka huila Babbitt
Hoʻohana ʻia ʻo Babbitt alloy no nā kīwī hoʻomaha ammonia me ka mahana T-70 ~ 150 ℃ a me ke kaomi nominal PN ≤ 2.5MPa.
6. Aleki keleawe
ʻO nā mea maʻamau o ka hui keleawe he 6-6-3 tin keleawe a me 58-2-2 manganese keleawe. ʻO ke kūpaʻa keleawe keleawe, kūpono i ka mahana T ≤ 200 ℃, ke kaomi nominal PN ≤ 1.6MPa wai a me ka mahu, hoʻohana pinepine ʻia i nā ʻīpuka puka, nā kīwaha honua, nā kiwi nānā, nā kīwaha plug, etc.
7, chrome kila kila
ʻO 2Cr13, 3Cr13 ke kila kila kila Chrome ma hope o ka hoʻopau ʻana a me ka hoʻomaʻamaʻa ʻana, ke kūpaʻa maikaʻi i ka corrosion. Hoʻohana pinepine ʻia no ka mahana t ≤ 450 ℃, kaomi nominal PN ≤ 32MPa wai, ka mahu a me ka ʻaila a me nā kīwī media ʻē aʻe.
8, chromium nickel titanium kila kila
ʻO ka inoa maʻamau o ka chromium nickel stainless steel ʻo 1Cr18Ni9ti, he maikaʻi ke kūpaʻa corrosion, erosion a me ka wela. He kūpono no ka mahana T ≤ 600 ℃, kaomi nominal PN ≤ 6.4MPa mahu, nitric acid a me nā mea hoʻolaha ʻē aʻe, i hoʻohana ʻia no ka valve globe, ball valve, etc.
9, hao nitriding
ʻO ka pae maʻamau o ke kila nitriding ʻo 38CrMoAlA, he kūpaʻa maikaʻi ka corrosion a me ka pale ʻana ma hope o ka carburizing. Hoʻohana maʻamau ia no nā ʻīpuka puka mana me ka mahana T ≤ 540 ℃ a me ke kaomi nominal PN ≤ 10MPa.
10, borona
ʻO ka Boronizing e ke kino a i ʻole nā ​​​​mea kino disc i hoʻopaʻa ʻia i ka hoʻopaʻa ʻana i ka ili, ka hoʻomaʻamaʻa ʻana i ka ili, ka maikaʻi loa o ka hoʻopaʻa ʻana i ka ʻili. Hoʻohana ʻia no ka pahu pahu blowdown.
ʻO ke kīpē ʻīpuka ʻea Puka lima e hoʻohuli lima i ka huila lima e hoʻāla a hāʻule ke kumu, i mea e hoʻohuli ai i ka pā i luna a i lalo e wehe a pani i ka pahu. UA LAKOKOIA KA VALVE ME KA "OPEN" a me ka "close" e kuhikuhi ana i ka mechanism, rotate clockwise, the gate falls, the pointer pointed to the "close" position, and the valve is panied. E hoohuli i ka lockwise, pii ka puka, kuhikuhi ka nila i ke kulana "ON", a WEHE KE VALVE. I ka ho'āʻoʻana i ke kaomi o ka pipeline, pono e hoʻohana i ka lima lima koʻokoʻo lōʻihi. E pani i ka valve a pono e pani ma kahi (e nānā i ke kūlana kuhikuhi). E hoʻohuli i ka huila lima a hiki i ka manawa e pani ai, a e hoʻohuli i ka huila lima e wehe.
Kaulana o 1.
Hoʻokomo ʻia nā kiwi puka makani lima me ke anawaena nominal DN100mm~300mm a me ke kaomi nominal PN0.8mpa flanged hopena pili i loko o kēia kikoʻī.
2. Hoʻohana
2.1 Hoʻohana ʻia kēia valve ma ke ʻano he mea wehe a pani ʻia ma ke kaona a me nā pipeline kinoea kūlohelohe.
2.2 E koho i ka mea o ka valve e like me ka waena.
2.2.1 He kūpono ia no ke kinoea, ke kinoea maoli a me nā mea hoʻolaha ʻē aʻe.
2.3 Ke wela kūpono:
2.3.1 ʻO ka mahana kūpono o ka pahu hao ductile he ≤120 ℃
Kapili o 3.
3.1 Hōʻike ʻia ke ʻano kumu o ka valve puka makani ma ke Kiʻi 1
3.2 Hoʻopiha ʻia ka gasket o nā ʻāpana ʻāpana me ka papa asbestos rubber a me ka lāʻau fluorine e hōʻoia i ka sila hilinaʻi.
4. Ke hana nei
HILI KA LIMA HANA I KA LIMA I KA LIMA E HOE A ME IHO IHO I KE KUMUKU, pela e hookele ai i ka puka i luna a i lalo e wehe a pani i ka pahu. UA LAKOKOIA KA VALVE ME KA "OPEN" a me ka "close" e kuhikuhi ana i ka mechanism, rotate clockwise, the gate falls, the pointer pointed to the "close" position, and the valve is panied. E hoohuli i ka lockwise, pii ka puka, kuhikuhi ka nila i ke kulana "ON", a WEHE KE VALVE.
5. Mālama, mālama, hoʻokomo a hoʻohana
5.1 E mālama ʻia ka valve i loko o kahi lumi maloʻo a hoʻoheheʻe ʻia, a e pani ʻia nā ʻaoʻao ʻelua o ke ala valve.
5.2 Pono e nānā mau ʻia nā pahu i mālama ʻia no ka wā lōʻihi no ka lepo. Pono e nānā nuiʻia i ka hoʻomaʻemaʻeʻana i kaʻili o ka sila e pale i ka pōʻino o ka sila.
5.3 Ma mua o ka hoʻokomo ʻana, e nānā pono inā pili ka māka valve me nā koi hoʻohana.
5.4 Ma mua o ka hoʻokomo ʻana, pono e nānā ʻia ke keʻena i loko a me ka ili o ka valve. Inā he lepo, pono e hoʻomaʻemaʻe ʻia me kahi lole hoʻomaʻemaʻe.
5.5 Pono e hoʻomaʻemaʻe ʻia nā paipu ma mua a ma hope o ka hoʻokomo ʻana e hōʻoia i ʻaʻohe koena i loko o nā paipu
5.6 I ka hoʻāʻo ʻana i ke kaomi o ka pipeline, pono e hoʻohana ʻia ka huila koʻokoʻo lōʻihi. E pani i ka valve a pono e pani ma kahi (e nānā i ke kūlana kuhikuhi). E hoʻohuli i ka huila lima a hiki i ka manawa e pani ai, a e hoʻohuli i ka huila lima e wehe.
5.7 E puhi mau i ka pahu i mea e pale ai i ka coking.
5.8 Pono e hoʻomaʻamaʻa pinepine ʻia ka valve (10 ~ 15 mau lā) e hoʻomaʻamaʻa i ka paipa hoʻopaʻa a me ke kumu o ka valve a me nā mea hoʻoneʻe ʻē aʻe e hōʻemi i ka torque hoʻololi a pale i ka paipa sila.
6. Hōʻike ʻia nā hewa, nā kumu, a me nā ala hoʻoponopono pilikia ma ka papa
Papa 1 Nā hewa, nā kumu, a me nā ala hoʻoponopono pilikia 1
ʻO ka palapala hōʻoia o 7.
ʻO ka mea hana ke kuleana no ka hōʻoia o ka valve i loko o hoʻokahi makahiki ma hope o ka hoʻohana ʻana, akā ʻaʻole i ʻoi aku ma mua o 18 mau mahina ma hope o ka lawe ʻana. I loko o ka manawa hōʻoia, ma muli o ka maikaʻi o nā huahana hiki ke hoʻoponopono a hoʻololi paha.
8. Kauoha kauoha
E ʻoluʻolu e haʻi i ka wā e kauoha ai
Pumi inoa MPa
Anawaena inoa mm
Kūlana lōʻihi o ka hale
maʻamau ka nui pili flange
Me ka mea ʻaila ʻole
Mea hana huila lima a me nā ana me ke koʻokoʻo hoʻonui a ʻole