He aha ka blue plug?

1. Hōʻikeʻike

ʻO ka pahu hoʻokuʻu he pahu wili ʻehā ʻehā e hoʻoponopono ai i ke kahe ʻana ma o ka hoʻohuli ʻana i kahi pahu cylindrical a conical paha i loko o ke kino valve..

Ke hoʻolikelike ʻia ka puka komo me nā awa puka, holo manuahi ka wai; he 90° ka hoohuli ana i ke awa.

ʻO nā kiwi hoʻoheheʻe hou-i hoʻomaʻemaʻe ʻia ma o ka holomua ʻana o ka metallurgy, Machimen, a me ka ʻenehana hoʻopaʻa ʻana—he mea nui i ka ʻaila & aila, Kekau, Ke hana kino wai, a me nā ʻoihana hana mana.

2. He aha ke ʻano o ka plug valve?

A pahu hoʻopili he mea maʻalahi, ʻo ka pahu pahu hāhā-huli ikaika i hoʻohana ʻia e hoʻomaka, WALLOPu, a i ʻole e hoʻohuli i ke kahe wai i loko o nā ʻōnaehana paipu.

Ma kānaʻano, ʻo ka valve he puka, "plug" cylindrical a i ʻole tapered e noho ana i loko o kahi lua kūpono i loko o ke kino valve.

I ka wā e komo ai ka plug i loko (ka lua) aligns me na awa paipu, flodid kahe manuahi; ka 90° huli o ka plug e hoohuli i ka lua mai na awa, pani ana i ke kahe.

Key Nā'āpana Valve

• Kino: Hoʻopili i ka plug a hāʻawi i nā pilina inlet/outlet (flanger, Nā Pōʻalima, a iʻole).
• Plug: ʻO ka mea hoʻololi, i hana ʻia ma ke ʻano he cylinder pololei a i ʻole cone, aia ke awa(S).
• Noho mau noho: Hāʻawi i ka sila ma waena o ka plug a me ke kino; hiki ke lilo i mau mea metala a i ʻole nā ​​mea hoʻokomo paʻa (Ptfe, Kauwili).
• Kumu & Kalima/mea hana: Hoʻouna i ka torque mai ka mea hoʻohana (Leu, Kaukau Hana, pneumatic a mea uila paha) i ka pulupulu.

Nā Kuleana Hana

Hoʻomalu Kahe Rotary

Hoʻohana ʻia nā pahu pahu ma ka hoʻohuli ʻana i ka plug a puni kona axis—e koi ana i hoʻokahi hapaha huli no ka wehe piha a pani piha..

Hiki i kēia ke hana wikiwiki: liʻiliʻi ka hana lima maʻamau ma mua o hoʻokahi kekona, a hiki i nā mea hana pneumatic a i ʻole uila ke hoʻopau i ka hahau i ka 0.5-2 kekona.

Hoʻokumu Sila

• Metala-i-Meta Sila: ʻO ka ʻili paʻakikī o ka plug (i uhi pinepine ia me Stellite) pili pono i ka lua o ke kino.
  Ma lalo o ke kaomi laina, ke kaomi ʻana i ke kī i loko o ke kino, hoʻonui i ke sila.
  Ke kū nei kēia mau kiwikā i nā mahana a hiki i 550 °C a me nā noi puʻe kiʻekiʻe (Ansi papa 600 a ma luna), akā e koi aku i ka torque break-away kiʻekiʻe (100–500 Nm no DN 50–200 kiwikā).
• Paniʻia (Pepeki) Noho mau noho: Hāʻawi nā apo Elastomeric a i ʻole PTFE a puni ka pahu plug i kahi sila hoʻohālikelike me ka liʻiliʻi liʻiliʻi (10–50 Nm no DN 15–100 kiwikā).
  Hiki i nā puʻupuʻu puʻupuʻu noho mālie ke hoʻopaʻa paʻa i ka huʻihuʻi no kēlā me kēia API 598 akā, ua kaupalena ʻia i nā mahana ma lalo 200 °C a me nā kaomi ma lalo o ka papa ANSI 300.

Nā Manaʻo Sorque & HanaIa

ʻO ka Torque no ka hana ʻana i ka valve plug e pili ana i ka nui, ʻano noho, a me nā kūlana lawelawe. E like me ke kānāwai o ka manamana:

• DN noho mālie 50 pono nā kiwi ~ 15 Nm e wehe; DN noho mālie 200 kiwikā a hiki i 60 Nm.
• DN noho metala 50 pono paha nā valves 100 Nm; DN noho metala 200 kiwikā a hiki i 400 Nm.

Palapala manual manual: Lever a huila lima paha, pinepine me kahi pahu pahu no nā kiwi nui.
Nā hana Pneumatic: ʻO nā kinikini hana pālua a hoʻihoʻi pūnāwai no ka wikiwiki, ʻO ka hana ʻana i ka hapaha-huli hilinaʻi—nā manawa pōkole <1 S.
Hana uila: Hāʻawi i ka mana kūpono a me nā manaʻo no ka hoʻohui ʻana me nā ʻōnaehana DCS/SCADA; nā manawa hahau maʻamau o 2-5 s.

3. Nā ʻano a me nā ʻano hoʻolālā kumu o ka plug valve

Hoʻopili ʻia ka valve plug i nā ʻano hoʻonohonoho like ʻole e hoʻokō i kahi ākea o nā koi kaʻina.

Hoʻokumu ʻia nā ʻokoʻa hoʻolālā koʻikoʻi ma ke ʻano lubrication, hoʻopili geometry, hoʻonohonoho awa, a me ke ala kahe o loko.

Lubricated vs. ʻO nā pāpaʻi hoʻohuihui ʻole

• Lubricated Plug Valve
  Ke hilinaʻi nei kēia mau kiwikā i ka hoʻokomo ʻia ʻana o kahi mea hoʻopaʻa paʻa-maʻamau he graphite- a i ʻole ka hui ʻana o ka PTFE—ma waena o ka plug a me ke kino valve.
  Hoʻohana ka lubricant i nā hana he nui: e hoemi ana i ka paio i ka wa hana, hoʻonui i ka pono o ka sila, a hāʻawi i kahi pale pale e kū'ē i ka media corrosive a i ʻole abrasive.
• ʻO ka pahu pahu hoʻoheheʻe ʻole ʻia
  Ke hoʻohana nei kēia mau hoʻolālā i nā mea hoʻonaninani ponoʻī-e like me PTFE (Poleterafluoes) me ka hoʻoikaika ʻana i ka fiber aniani—no ka noho a i ʻole e hoʻohana i nā pulu paʻa paʻa (E.g., nickel electroless a i ʻole chrome paʻakikī me ka paʻakikī o ka ʻili > 60 Hrc) e hoemi i ka paio.

Nā hoʻonohonoho hoʻopili: Pohaku, Conical & Trunnion-mauna

• Conical (Hoʻopiʻi ʻia) Plug
  E hōʻike ana i kahi taper e pili ana i ke kihi noho o ke kino valve, ʻO nā plug conical e hoʻoponopono ponoʻī iā ia iho ma lalo o ke kaomi laina, e hāʻawi ana i kahi sila ʻoi aku ka palekana a me ka leak-paʻa.
  ʻOi aku ka maikaʻi o lākou i nā noi kiʻekiʻe (≥2,500 psi / 172 Bar).
• Pākuʻi Cylindrical
  He mau ʻaoʻao like kēia mau plugs a hilinaʻi i nā noho i hoʻopiha ʻia i ka pūnāwai a i ʻole nā ​​​​mea hoʻokomo kūpaʻa e mālama i ka pilina..
  ʻOi aku ka maikaʻi o nā hoʻonohonoho cylindrical no nā ʻōnaehana haʻahaʻa haʻahaʻa a hoʻohana pinepine ʻia i nā hoʻolālā valve paʻa a haʻahaʻa..
• Pākuʻi Kau ʻia ʻo Trunnion
  Ma kēia hoʻolālā, alakaʻi ʻia ka plug e nā ʻūhā luna a lalo, e hōʻemi ana i nā koi torque a hoʻopaʻa ʻia ma nā wahi hoʻopaʻa.
  ʻOi aku ka maikaʻi o kēia kūkulu ʻana no nā valves nui-diameter (≥12″) a i ʻole nā ​​noi kiʻekiʻe loa (a i 15,000 Psi / 1,034 Bar), e like me ka subsea a i ʻole nā ​​ʻōnaehana pale kaomi kiʻekiʻe (HIPS).

Pahu Puka Pahu Nui

• ʻEkolu Ala Hoʻopili Valve
  Hoʻolālā ʻia me ka L-like a i ʻole ka T-shaped plug e hoʻohuli i ke kahe ma waena o ʻekolu awa.
  Mea maʻamau i ka hui ʻana, kaʻalo ʻana, a i ʻole nā ​​lawelawe hoʻohuli (E.g., ka hui ʻana i nā kahawai wai wela a me ke anuanu, ʻōnaehana hōʻailona, a i ʻole ka hoʻololi laina).
• ʻEhā ʻAla Pākuʻi Valve
  E hoʻokomo i nā ʻaoʻao i loko o ke ʻano kea a i ʻole ʻelua-L e hoʻohuli hou i ke kahe ma waena o ʻelua mau puka puka puka komo..
  Hoʻohana nui ʻia kēia mau mea i nā hana kemika a me ka hoʻololi ʻana i nā meaʻai reactor, ʻae i nā kaʻina hana paʻakikī me ka liʻiliʻi o ka helu valve.

Nā hoʻonohonoho ʻana i ka nui o ke awa: Awa piha vs. Hoemi-Awa

• Puka Puka Puka Piha
  Hoʻohālikelike ka ʻaoʻao kahe o loko i ke anawaena o ka paipu hoʻohui (E.g., he 2-inihi valve he 2-inihi awa).
  Hoʻemi kēia hoʻolālā i ka hāʻule ʻana o ke kaomi a he mea koʻikoʻi ia i kahi koʻikoʻi o ka holo ʻana a i ʻole ka puaʻa.
  ʻO Cv maʻamau no 2″ pahu pahu puka piha piha: ~50.
• Hoʻoemi ʻia-Port Plug Valve
  ʻO ke ala kahe ka nui o ka paipu i ʻoi aku ka liʻiliʻi ma mua o nā pilina inlet/outlet (E.g., he 2-inihi pahu me ka 1.5-inihi lua).
  Hoʻemi kēia hoʻolālā i nā kumukūʻai waiwai a me ka hana ʻana akā hoʻolauna i kahi hāʻule piʻi kiʻekiʻe.
  ʻO Cv maʻamau no 2″ i hoʻemi ʻia-puka pahu: ~ 30.

4. Nā mea hana a me ke kūkulu ʻana i ka ʻūlū plug

He mea koʻikoʻi ke koho ʻana a me ke kūkulu ʻana i ka valve plug i kāna hana, durability, a me ka launa kemika i nā kaiapuni ʻoihana koi.

ʻO kēlā me kēia ʻāpana—ke kino, plug, noho mau noho, a me nā hōʻailona o loko—ua hana ʻia me ka hoʻohana ʻana i nā mea i hoʻohālikelike ʻia e kū i nā kaomi kikoʻī, mahana, a kaʻina hana media.

Kino & Pākuʻi Mea

Noho & Laina Laina

Nā poʻe libriceants (no ka Lubricated Plug Valves)

5. ʻO nā hiʻohiʻona hana o Plug Valve

Ua ʻike ʻia nā valve plug no kā lākou hana maʻalahi, hoʻopaʻa paʻa, a me nā mana kahe lua.

Akā naʻe,, ʻokoʻa nui kā lākou hana ma muli o ka hoʻolālā, koho koho, a me nā kūlana lawelawe.

Nā helu hoʻohālikelike

Hoʻopili ʻia nā valve plug e like me nā kūlana ʻoihana e like me Kii 599 a Iso 17292, ka mea e wehewehe ai i nā palena kaomi hana palekana ma nā mahana like ʻole.

Ke hilinaʻi nui nei kēia mau helu i ka valve mea waiwai a Hoʻolālā hoʻonohonoho.

Sila Paʻa & Nā papaʻokoʻa

Hoʻopili i nā pahu, ʻoi aku ka maikaʻi me nā noho palupalu a i ʻole ka momona i hoʻokomo ʻia, hiki ke hoʻokō Bubble-pani paʻa paʻa. Hoʻāʻo ʻia nā kūlana leakage i kēlā me kēia:

• Kii 598: ʻO ka protocol ho'āʻo kaomi no nā kiwi hana
• Iso 5208: Hoʻokaʻawale ʻana o ka leakage valve
• Leaka Papa VI (Noho noho wāwae): ʻAʻohe leaka ʻike ʻia
• Leaka Papa IV (Keʻena Ita meʻe): ʻAe ʻia no ka hapa nui o nā lawelawe kinoea a me ka wai

Lubricated plug valves hilinaʻi i ka momona e mālama i ka pono o ka sila a koi i ka hoʻihoʻi hou ʻana, oiai nā ʻano lubricated ʻole e hoʻohana i nā lima lima elastomer a i ʻole PTFE i hiki ke komo i ka manawa.

Nā hiʻohiʻona (Cv Waiwai)

Hōʻike ʻia nā pahu pahu plug laina laina a i ʻole ka pākēneka pākēneka mana hoʻomalu kahe, ma muli o ka geometry awa (puni vs. ʻāpana ʻehā a i ʻole V-notch).

ʻOiai hoʻohana mua ʻia no ka hoʻokaʻawale ʻana, ʻae kekahi mau hoʻolālā plug hoʻopaʻa haʻahaʻa.

• Puka Puka Puka Piha (2-loko):

• • Cv ≈ 45–55 (kiʻekiʻe kahe pono)

• Hoʻoemi ʻia-Port Plug Valve (2-loko):

• • Cv ≈ 25–35 (ʻO ka hāʻule kiʻekiʻe)

Cv (Ua lawa) e hōʻike ana i ke kahe kahe ʻana ma nā galani/minuke o ka wai ma 60°F e kahe ana ma ka pahu me kahi 1 spit stick drop.

Nā Manaʻo Sorque & HanaIa

Pono ma'amau nā kīwi ho'opili kiʻekiʻe ka hana torque ʻoi aku ka nui o nā wahi pili ma waena o ka plug a me ka noho.

6. Nā kahua hoʻohana o nā ʻūhā hoʻopili

• Pono & Aila (Lumi, Alo Alohi, Iho)
• Kekau & ʻOihanaʻoihana petrochemical
• Wai & ʻO ka hana hoʻopau
• Mana pā'āʻu
• Pulp & ʻOihana'Āina
• Mining & ʻO ke kaʻina Mineral
• Hvac & Nā lawelawe lawelawe
• Meaʻai & Nā Hana Hana
• Marine & ʻEnekinia Offshore
• Ka Makani & ʻOihana Biotech
• Lng & Pūnaehana Cryogenic
• Kukui Kekuhi & Nā mea kanu metallurgical
• E hōʻoluʻolu & Nā Kūlana Waihona Nui
• Textile & ʻOihana Wailu
• Pūnaehana Hōʻailona

7. ʻO nā pono a me nā palena o ka Plug Valve

ʻO nā pono o ka Plug Valve

• Hoʻonaʻauaoʻono: Nā mea liʻiliʻi o loko, hana maʻalahi ka mālama ʻana.
• Hana wikiwiki: 90-ʻae ka haʻahaʻa haʻahaʻa haʻahaʻa e hiki ai i ka hana wehe/pani wikiwiki.
• Paʻa paʻa paʻa: Hiki ke hoʻopaʻa sila maikaʻi, ʻoi aku me nā noho kūpaʻa a i ʻole lubricant.
• KOHAI KA MANA: Hoʻopaʻa pono i nā ʻaoʻao kahe ʻelua.
• Nui Paʻi: ʻO nā anana maka-a-maka pōkole i hoʻohālikelike ʻia me nā ʻīpuka a i ʻole nā ​​ʻūhā honua.
• Nā Koho Awa Nui: Loaʻa i nā hoʻonohonoho 3-ala a i ʻole 4-ala no ka hoʻohuli ʻana a i ʻole ka hui ʻana.
• Ka ulu kiʻekiʻe: He kūpono no ka abrasive, Kuukuli, a i ʻole slurry media (me nā mea kūpono).
• Ma-Line Maintenance: Nui nā hoʻolālā e ʻae i ka lawelawe ʻana me ka ʻole e wehe i ka valve mai ka pipeline.

ʻO nā palena o Plug Valve

• Kiekie Hana Torque: ʻOi aku ma nā pahu metala a i ʻole ka nui; makemake paha i ka mea hana a i ʻole ka mea hana.
• ʻAʻahu Pilikino: Hiki i nā hoʻolālā metal-a-metala ke ʻike i ka ʻeha a ʻaʻahu i ka wā.
• Pono Lubrication: Pono e hoʻomaʻamaʻa hou ʻia ka pahu lubricated plug e mālama i ka sila a me ka maʻalahi o ka hana.
• Kālā: Hiki ke ʻoi aku ke kumu kūʻai ma mua o nā puʻupuʻu pōleʻa i nā pae puʻe / wela like.
• Hoʻopili ʻia: ʻAʻole kūpono no ka hoʻomalu kahe ʻana ma muli o ka hiki ke ʻā a me ka ʻaʻahu ma nā wahi hāmama.
• Nā Luna Pūnaewele: ʻAʻohe mea maʻamau i nā nui ma luna 24 'īniha ma muli o ka torque a me nā palena hana.

8. Hoʻohālikelike: Pākuʻi Valve vs. Pōpō, Gates, a me nā ʻūpepa Butterfly

Hōʻaʻakeʻa:

• E hoʻohana i nā Valves Plug i ka wā e pono ai ʻoe e pani paʻa, hoʻopaʻa ʻia ʻelua ʻaoʻao, a i ʻole ke kahe ʻana o nā awa he nui i nā lawelawe paʻakikī e like me nā slurries a i ʻole nā ​​mea kemika.
• Nā Kūlana Pihi He kūpono ia no ka pani wikiwiki a me ka hāʻule liʻiliʻi o ke kaomi ma nā noi media maʻemaʻe.
• Nā Valoko kūpono i ka hoʻokaʻawale pinepine ʻana i nā ʻōnaehana nui.
• Butterfly Valves maikaʻi ma ka palena ākea, nā kaiapuni haʻahaʻa me nā anawaena nui.

9. Ka nui ana, Koho & Nā Kūlana Kūlana

• Media a me nā Kūlana: E hoʻohālikelike i nā mea kino a me nā noho me ke kemika wai, keka ao, a me ke kaumaha.
• Ka nui ana: E hoʻohana i nā helu Cv e hōʻoia i ke kahe pono ʻana ma ka ΔP i manaʻo ʻia; koho i nā mea hoʻokele e hāʻawi i 1.5x break-away torque.
• Hoʻopiha: E hoʻokuʻu pololei i nā pahu lubricated e pale i ka hui ʻana o ka momona; mālama i ka lōʻihi 1x valve o ka paipu pololei ma kēlā me kēia ʻaoʻao no ka hana maikaʻi loa.

10. Mālama, Nānā & Pilikia

• Lubrication: ʻO kēlā me kēia 6-12 mahina a i ʻole 5,000 Nā Pāʻani Pūnaewele; hoʻohana i ka momona i ʻae ʻia e ka mea hana.
• Pani Noho: I nā hoʻolālā he nui, hiki ke hoʻololi i nā noho i ka laina me ka wehe ʻole ʻana o ke kino.
• Nā pilikia maʻamau: Hoʻoponopono ʻia ʻo Galling ma nā noho metala e ka lubrication; hoʻoponopono ʻia nā leaks packing graphite e ka hoʻopili hou ʻana; hoʻopili ʻia ka palaka e ka Stellite overlays a i ʻole ka hoʻoponopono ʻana i nā noho.

11. Kūlā, Nā Palapala Hoʻohui & Manaʻo

• Kii 599: Nā kaʻina hana nānā a hoʻāʻo.
• Iso 17292: Nā koi hana no ka plug, pōpō, a me na kiwi lele.
• MSS SP‑79/SP‑80: Nā alakaʻi no nā puʻupuʻu i hoʻoluliluli ʻole ʻia.
• Nā Palapala Hoʻohui: API Monogram, hōʻailona CE, Nā helu SIL no nā ʻōnaehana palekana.

12. Hopena

Hāʻawi nā pahu pahu i kahi hui kūʻokoʻa o ka maʻalahi, wikiwiki, a kūmole ma waena o nā ʻano ʻoihana kaʻina hana like ʻole.

Ma ke koho pono ʻana i ke kino, plug, a me nā mea noho—a ma ka pili ʻana i nā hana maikaʻi loa i ka nui, hoʻopiha, a me ka mālama ʻana—hiki i nā ʻenekinia ke hoʻohana i nā kiwi palaka no ka kaʻawale hilinaʻi, hoʻohuli ʻana, a me ka hoʻomalu kahe ʻana ma kahi kokoke i nā lawelawe wai.

ʻO kēia: ʻO nā mea kūʻai aku kiʻekiʻe loa

ʻO kēia he mea lawelawe kūikawā no nā lawelawe kūʻai kūʻai, e hāʻawi ana i nā'āpana hana kiʻekiʻe no nāʻoihana e pono ai ke koi, Ke hoʻoikaika ikaika, a me ka pololei o ka dimensional.

Mai nā hale o nā mea hoʻokele i nā kino o nā kino machin, ʻO kēia Hāʻawi i nā hoʻololi o nā hopena hope e hoʻopau i nā hopena o nā mea e hoʻokō ai i nā kūlana honua olakino.

ʻO kā mākou Valve Casting Exptory:

Kāhaka kūʻai kūʻai No nā kino Valve & Trim

Hoʻohana i nāʻenehana casting was i hala e hana i nā geomet o nā geomet i loko o ka geomet.

Sand cread & Nā pāpale pīpī pale

Kūpono no ka medium i nā kino nui nui, flanges, a me nā bonnets-hāʻawi i kahi hopena kūpono-kūpono no nā noi pili pili, me ka aila & ʻO ka hanauna a me keʻano.

Ma ka hana pololei no ka bolve kūpono & Seal ingrity

Cnc iching o na noho, KauwaiHua, a me nā hōʻailona hōʻailona e hōʻoia i kēlā me kēia'āpana i huiʻia a me nā koiʻana a me ka hōʻailonaʻana i nā pono hana.

Nā Kūlana Kūʻai no nā noi koʻikoʻi

Mai nā mea kanu lāʻau (CF8 / CF8m / CF3 / CF3M), Keihei, Ui, e duplex a me ke kiʻekiʻe-alyy, ʻO kēia hoʻolako i nā hale kūʻai kūʻai kūʻai i kūkuluʻia e hana i ka hoʻoponoponoʻana, ikaika nui, a iʻole nā ​​wahi kiʻekiʻe kiʻekiʻe.

Inā makemakeʻoe e koi i nā Vilves Engine maʻamau, nā valves vig, nā hua waina honua, Nā Valoko, a iʻole ka hana kiʻekiʻe o nā hale kūʻai kūʻai kūʻai, Nou keia hoa hilinai no ka hemolele, durability, a me ka hōʻoia maikaʻi.

FaqS

I ka manawa hea au e koho ai i ka pahu pahu ma luna o ka pahu kinipopo?

Koho no ka nā valves vig i nā lawelawe wela a i ʻole abrasive, a i ʻole kahi maʻalahi o ka huli ʻana i ka hapahā, pono ka hana bidirectional.

ʻEhia mau manawa e lubricated hou ʻia kahi pahu pahu lubricated?

ʻO ka maʻamau i kēlā me kēia 6-12 mahina a i ʻole ma hope o 5,000-10,000 pōʻai., ma muli o ke kaumaha o ka lawelawe.

Hiki ke hoʻohana ʻia nā kiwi no ka lawelawe throttling?

Hiki ke hoʻopaʻa ʻia me nā pākēneka like, akā, mahuahua ka lole noho; ʻoi aku ka maikaʻi o nā kiwi honua i ka mana kahe pololei.

He aha ke kumu o ka leakage plug valve a pehea e hoʻopaʻa ʻia ai?

ʻO ka ʻaʻahu a i ʻole ka pōʻino i nā noho a me nā pahu e alakaʻi i ka leakage; hoʻoponopono ma o ka hoʻololi noho, pākuʻi hou ʻana, a i ʻole ka lubrication hou no nā pahu metala-i-metala.