1. Hōʻikeʻike
Ke hilinaʻi nei ka hoʻokele flid i ke kohoʻana i ke kumu kūpono kūpono no ka hana. NOEHUI, E hilinaʻi nui nā mīkini i nā papa hana e hoʻohālikelike ai i nā papa kuhikuhi e wehe ana i waena o nā kūlana likeʻole, Hoʻohālikelike i kaʻikepili dimensional, A hōʻoia i ka hōʻoia.
I kēia'āpana, Ua wehewehe mākou i keʻano o kaʻatikala, ʻO Undercore kumu no ke kumu e hōʻoia ai i nā mea he nui, a e wehewehe i ka mea e hoʻohālikelike ai i ka papa hana hoʻohālikelike o ka pākaukauʻo Valve.
- Kumu a me keʻano: Manaʻo mākou e hoʻomaʻamaʻa i ke kaʻina hana, puiahuhu, a me nā mīkini e piʻi ana me kahi alakaʻi ākea e hana ai a me ka hoʻohanaʻana i nā papa hoʻohālikelike o Valve Valve.
- Mea nui o ka hoʻonohonoho ponoʻana: Hiki i nā Vis-sigd Valves ke kumu i kahi 15% ka hāʻuleʻana i ka hana kūpono, alakaʻi i nā lole mua, a iʻole e hoʻonāukiuki i nā'ōnaehana'ōnaehana. He ʻokoʻa, ʻO nā Viving SIVED VIVENT EptIze Flow, E hōʻemi i ka hoʻohanaʻana i ka ikehu, a hoʻonui i nā lako hana.
- ʻO kaʻikeʻana i nā papa hoʻohālikelike: Ma kānaʻano, ʻO kahi papa hoʻohālikelike nui e hoʻohālikelike ana (NPS) a iʻole diameter nominal (Dn) Nā hoʻolālā me nā mea kaulana maoli, helehelena-maka-maka, nā kiko'ī flange, a me nā hiʻohiʻona pili.
Ma ka hana, E hiki iā ia ke hana wikiwiki i ka Rross-Referencing ma waena o Ansi, Mai, Oia, Iso, a me nā kūlana'ē aʻe.
2. Nā waihona kālā o ka palaki
Ma mua o ka hoʻolālāʻana a iʻole e wehewehe ana i kahi papa hoʻohālikelike, Pono kekahi e hopu i nā manaʻo i hōʻikeʻia.
Ma lalo, Hoʻopili mākou i nā helu nonmil, e hoʻomaopopo i nā'āpana dimensional kiʻekiʻe, a wehewehe i keʻano o kēia mau mea i ka nui o nā mea a me ka hana.

ʻO ka nui o Nominal paila (NPS) vsa. Nā mea maoli (Id)
- NPS e hōʻike ana i kahi hōʻailona maʻamau (E.g., NPS 4), aka, e hana ia ʻaʻole like me ka helu o loko.
- Nā mea maoli (Id) Nā mea maʻamau e ka mea hana a me ka maʻamau: ʻo kahi laʻana, NPS 4 Loaʻa i kahi ID o 4.026 i (102.3 mm) Ma nā vali valves akāʻaʻole iʻokoʻa ma lalo o Din a iʻole Jis i nā kiko'ī.
ʻO nā hiʻohiʻona kiʻekiʻe kiʻekiʻe
- Helehelena-maka (F2f): ʻO ka mamao ma waena o Valve e hoʻopau i nā mea koʻikoʻi no ka papa pākeke.
- Pau-a-pau (E2E): Like me f2f akā i kekahi manawa i hoʻohanaʻia no ka wafer or lig-type valeves.
- Nā'āpana flange: ʻO ka lole o waho (Na), ʻO Bolt-Circle inimeter (Bcd), Ka heluʻana i ka puka a me ka nui.
Hopena i ke kahe a me ka hana
ʻO Valve e hoʻowalewale nui i nā mana nui o ka neʻeʻana (Δp) a e holo pono ai (Cv).
ʻo kahi laʻana, Ke piʻi nei i kahi Valve e kekahi NPS ke hiki ke hoʻonui iā CV e ka 20-25%, Ma laila e hōʻemi ana i nā poho ikaika i nā noi kiʻekiʻe.
3. International a me nā kūlana kūlana
ʻO ka hana honua Global i noi i ka introfebility. Pela no, Pono nā Engineers e hoʻokele i nā kino maʻamau:
| Kino kino | Nā palapala nui | Nā papa hoʻoikaika |
|---|---|---|
| Ansi / asme (USA) | Na B16.10, Na B16.5 | 150#, 300#, 600#, etc. |
| ʻO kāu hoʻokahi (Europa) | I 558, Nā papa PN | Pn 6, Pn 10, Pn 16, Pn 40 |
| Oia (Iapana) | N2239 (F2f), B2002 (flanges) | 5K, 10K, 16K, 20K |
| Iso (Honua) | 5752, 7005 | Nā mo'ānō 1, Nā mo'ānō 2 |
4. ʻO ka papaʻaina koho balota
Nā Kūlana Kūlana: Asme b16.10, LIKE LIKE LIKE (Papa hana 150), I 558, I 1092-1 (Pn16)
ʻAno Valve: Flanger, ʻO ka puka piha piha piha
Ua manaʻoʻia nā mea: ʻAihue kīwī (Wcb), Ke aʻoʻana i nā hoʻolālā kumu lāʻau
| NPS (i) | Dn (mm) | Nā mea maoli (Id, mm) | Helehelena-maka (mm) | Flage od (mm) | ʻO Bolt Littery ø (mm) | ʻAʻole. o na bolts | Pākuʻi ale hole û (mm) |
|---|---|---|---|---|---|---|---|
| 2 | 50 | 51 | 178 | 152 | 120.5 | 4 | 19 |
| 2½ | 65 | 64 | 190 | 178 | 139.7 | 4 | 19 |
| 3 | 80 | 76 | 203 | 190 | 152.4 | 4 | 19 |
| 4 | 100 | 102 | 229 | 229 | 190.5 | 8 | 19 |
| 5 | 125 | 127 | 254 | 254 | 216 | 8 | 22 |
| 6 | 150 | 152 | 267 | 279 | 241.3 | 8 | 22 |
| 8 | 200 | 203 | 292 | 343 | 298.5 | 8 | 22 |
| 10 | 250 | 254 | 330 | 406 | 362 | 12 | 25 |
| 12 | 300 | 305 | 356 | 483 | 431.8 | 12 | 25 |
| 14 | 350 | 337 | 381 | 533 | 476.3 | 12 | 29 |
| 16 | 400 | 387 | 406 | 597 | 539.8 | 16 | 29 |
| 18 | 450 | 438 | 432 | 635 | 577.9 | 16 | 32 |
| 20 | 500 | 489 | 457 | 699 | 635 | 20 | 32 |
| 24 | 600 | 591 | 508 | 813 | 749.3 | 20 | 35 |
Nā moʻolelo:
- Nā mea maoli (Id) Hiki i keʻano likeʻole e pili ana i ka hana hana a me keʻano trim; ʻO nā waiwai he maʻamau no ka hoʻolālā piha piha.
- Helehelena-maka nā waiwai e like me ka asme b16.10 or en 558 Nā mo'ānō 1.
- Flage od, Kāpili kola, a Nā'āpana bolt E hahai i ka ASME B16.5 150 / I 1092-1 PN16 e like me ka pili.
- Aia nā dimensions āpau i loko MiliLi Ināʻaʻole i hōʻikeʻia.
- ʻO nā hana kūʻai kūʻai maʻamau a iʻole nā papa kiʻekiʻe kiʻekiʻe (Papa hana 300, Pn25) e koi ai i nā'āpanaʻokoʻa a me nā'āpana kino.
5. ʻO Butterfly Valve ka papa kuhikuhi papa
ʻAno Valve: ʻO ka lole holoi holoi holoi holoi holoi holoiʻia
Kūlā: I 558 Nā mo'ānō 20 (Helehelena-maka), I 1092-1 (Flange), Asme b16.5 papa 150 Flanges
Ka helu ikaika: PN10 / Pn16 / Ansi papa 150
| Dn (mm) | NPS (i) | Helehelena-maka (mm) | Flange waho diameter (Na, mm) | Bolt Cow Smiter (Bcd, mm) | Ka helu o nā lua bolt | ʻO ka hueʻana pālolo (mm) |
|---|---|---|---|---|---|---|
| 50 | 2 | 108 | 165 | 125 | 4 | 18 |
| 65 | 2½ | 114 | 185 | 145 | 4 | 18 |
| 80 | 3 | 127 | 200 | 160 | 8 | 18 |
| 100 | 4 | 140 | 220 | 180 | 8 | 18 |
| 125 | 5 | 152 | 250 | 210 | 8 | 18 |
| 150 | 6 | 165 | 285 | 240 | 8 | 22 |
| 200 | 8 | 191 | 340 | 295 | 8 | 22 |
| 250 | 10 | 216 | 395 | 350 | 12 | 22 |
| 300 | 12 | 241 | 445 | 400 | 12 | 22 |
| 350 | 14 | 267 | 505 | 460 | 16 | 22 |
| 400 | 16 | 292 | 565 | 515 | 16 | 26 |
| 450 | 18 | 318 | 620 | 565 | 20 | 26 |
| 500 | 20 | 343 | 670 | 620 | 20 | 26 |
| 600 | 24 | 394 | 780 | 725 | 20 | 30 |
Nā leka hou:
- Helehelena-maka dimensons no en 558 Nā mo'ānō 20 ʻO ka hoʻolālāʻana o ka mea kūʻai aku e hōʻoia i ka hoʻopiliʻana me nā flass i hoʻonuiʻia pn10 / pn16 a iʻole ka helu ansI 150.
- Nā'āpana flange (Na, Kāpili kola, Nā Hila Kūleʻa) conform i en 1092-1 a iʻole asme b16.5 e hōʻoia i ka hoʻonohonoho ponoʻana ma waena o nā flang flanges.
- ʻO ka nui o ka hue a me ka helu e pili ana i ka papa me ka papaʻaina a me ka nui e mālama ai i ke kūpaʻa ikaika.
- ʻO nā pale pale palupalu palupalu palupalu e hoʻohana i nā laina elastomeric (Epdm, Nbr, Vithaton) a makemakeʻia no ka wai, Hvac, a me nā lawelawe uila.
6. ʻO ka papaʻaina slange i ka papaʻaina Butterfly Valvefly Valve
ʻAno Valve: ʻO nā bluefly butter butterfly butterfly
Kūlā: I 558 Nā mo'ānō 20 (Helehelena-maka), I 1092-1 (Flanges pn10/ 16), Asme b16.5 papa 150 Flanges
Papa papa: PN10/PN16 / Ansi papa 150
| Dn (mm) | NPS (i) | Helehelena-maka (mm) | Flange waho diameter (mm) | Bolt Cow Smiter (mm) | Ka helu o nā lua bolt | ʻO ka hueʻana pālolo (mm) |
|---|---|---|---|---|---|---|
| 50 | 2 | 140 | 165 | 125 | 4 | 18 |
| 65 | 2½ | 152 | 185 | 145 | 4 | 18 |
| 80 | 3 | 165 | 200 | 160 | 8 | 18 |
| 100 | 4 | 178 | 220 | 180 | 8 | 18 |
| 125 | 5 | 191 | 250 | 210 | 8 | 18 |
| 150 | 6 | 203 | 285 | 240 | 8 | 22 |
| 200 | 8 | 229 | 340 | 295 | 8 | 22 |
| 250 | 10 | 254 | 395 | 350 | 12 | 22 |
| 300 | 12 | 279 | 445 | 400 | 12 | 22 |
| 350 | 14 | 305 | 505 | 460 | 16 | 22 |
| 400 | 16 | 330 | 565 | 515 | 16 | 26 |
| 450 | 18 | 356 | 620 | 565 | 20 | 26 |
| 500 | 20 | 381 | 670 | 620 | 20 | 26 |
| 600 | 24 | 432 | 780 | 725 | 20 | 30 |
Nā moʻolelo:
- Helehelena-maka Ke kū neiʻo Dimenshonds e en 558 Nā mo'ānō 20 ʻO ka pānaʻi butterfly valvefly, He kūpono no ka hoʻonohonohoʻana ma waena o nā blass i hōʻikeʻia PN10 / PN16 a iʻole Ansi papa 150.
- Flage od, Bolt Cow Smiter, Bolt Hole Qty a me ka nui conform i en 1092-1 a me Asme B16.5 e hōʻoia i ka hoʻopiliʻana me nā flang fila.
- Hoʻohana maʻamau ka seal palupalu i nā elastomers e like me ka epdm, Nbr, gula gula, hoʻolako i ka hōʻailona maikaʻi loa no ka wai, Kōlea, a me nā noi māmā māmā.
- ʻO nā BLAGRATFL FREETFly Valves eʻae i ka wehe maʻalahi / hoʻololiʻole me kaʻole e hoʻopilikia i ka flangeline.
7. Butterfly Vilve Dimensilis ma lalo o ka maʻamau
Kū-starder: I 558 (Helehelena-maka) & I 1092-1 (Flange)
ʻAno Valve: Wafer / flanged, ʻEha kahi hoʻonalokiolo
Papa papa: PN10 / Pn16
| Dn (mm) | Helehelena-maka-maka (mm) | Flange waho diameter (mm) | Bolt Cow Smiter (mm) | Ka helu o nā lua bolt | ʻO ka hueʻana pālolo (mm) |
|---|---|---|---|---|---|
| 50 | 108 | 165 | 125 | 4 | 18 |
| 65 | 114 | 185 | 145 | 4 | 18 |
| 80 | 127 | 200 | 160 | 8 | 18 |
| 100 | 140 | 220 | 180 | 8 | 18 |
| 125 | 152 | 250 | 210 | 8 | 18 |
| 150 | 165 | 285 | 240 | 8 | 22 |
| 200 | 191 | 340 | 295 | 8 | 22 |
| 250 | 216 | 395 | 350 | 12 | 22 |
| 300 | 241 | 445 | 400 | 12 | 22 |
| 350 | 267 | 505 | 460 | 16 | 22 |
| 400 | 292 | 565 | 515 | 16 | 26 |
| 450 | 318 | 620 | 565 | 20 | 26 |
| 500 | 343 | 670 | 620 | 20 | 26 |
| 600 | 394 | 780 | 725 | 20 | 30 |
Wehewehe:
- Helehelena-maka-maka: No en 558 Nā mo'ānō 20, pili i ka wafer a me nā mea kanu pale.
- Flange waho diameter, Bolt Cow Smiter, Bolt Hole helu / nui: Kohoʻia ma en 1092-1 Nā Kūlana Flange no nā papa PN10 a me PN16.
- ʻO kēia mau dimensons e hōʻoia i ka hoʻohālikelikeʻana me nā paila Pīpī e pili ana i ka hoʻopiliʻana a me ka hoʻonohonohoʻana.
- 'Ōlelo bolt Hole Kumuhana E hōʻoia i ka ikaika ikaika a me ka hōʻailonaʻana i ke kūpaʻa.
8. ʻO ka papaʻaina pōleʻa
Hōʻikeʻo Ansi Dimensions i nā kūlanaʻAmelika; E hōʻike i nā dimensional e hōʻike i nā kūlana o Europa.
Nā Kūlana Kūlana: Wahi a ansi / Nā Kūlana Asme
Nā Kūlana Kūlana:
- Asme b16.10 - maka-helehelena a me ke alo o ka-hope-i hope
- LIKE LIKE LIKE - nā pilina paʻa (No nā papa he 150-2500)
- Asme b16.34 - Hoʻolālā Valve, mea waiwai, a me nā helu helu likeʻole
| Dn (mm) | NPS (i) | Helehelena-maka (mm) Ansi / asme b16.10 | Flage od (mm) ANSI B16.5 papa 150 | Bolt Cow Smiter (mm) ANSI B16.5 | Ka helu o nā bolts | ʻO ka hueʻana pālolo (mm) | Helehelena-maka (mm) I 558 | Flage od (mm) I 1092-1 Pn16 | Bolt Cow Smiter (mm) I 1092-1 | Ka helu o nā bolts en 1092-1 | ʻO ka hueʻana pālolo (mm) I 1092-1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 2 | 152 | 165 | 125 | 4 | 18 | 140 | 185 | 145 | 4 | 18 |
| 65 | 2½ | 165 | 190 | 145 | 4 | 18 | 152 | 200 | 160 | 8 | 18 |
| 80 | 3 | 178 | 215 | 160 | 8 | 18 | 165 | 220 | 180 | 8 | 18 |
| 100 | 4 | 190 | 254 | 180 | 8 | 18 | 178 | 250 | 210 | 8 | 18 |
| 125 | 5 | 216 | 279 | 210 | 8 | 22 | 191 | 285 | 240 | 8 | 18 |
| 150 | 6 | 241 | 324 | 241 | 8 | 22 | 216 | 320 | 295 | 8 | 22 |
| 200 | 8 | 292 | 406 | 362 | 8 | 22 | 267 | 405 | 355 | 8 | 22 |
| 250 | 10 | 330 | 483 | 432 | 12 | 25 | 292 | 460 | 410 | 12 | 22 |
| 300 | 12 | 356 | 559 | 483 | 12 | 25 | 318 | 515 | 460 | 12 | 22 |
| 350 | 14 | 394 | 597 | 539 | 16 | 29 | 343 | 565 | 515 | 16 | 22 |
| 400 | 16 | 432 | 673 | 595 | 16 | 29 | 368 | 620 | 565 | 16 | 26 |
| 450 | 18 | 483 | 698 | 622 | 20 | 32 | 394 | 675 | 615 | 20 | 26 |
| 500 | 20 | 508 | 749 | 673 | 20 | 32 | 419 | 730 | 670 | 20 | 26 |
| 600 | 24 | 584 | 864 | 787 | 20 | 35 | 483 | 840 | 780 | 20 | 30 |
Wehewehe:
- Helehelena-maka: ʻO ka lōʻihi ma waena o ka pauʻana o ka Valve, koʻikoʻi koʻikoʻi no ka piko kūpono.
- Flange waho diameter (Na) a Bolt Cow Smiter E hoʻoholo i ka hoʻololiʻana i ka flange.
- Ka helu a me ka nui o nā bolts E hilinaʻi i ka nui o ka flange a me ka helu kaomiʻana.
- Hiki i nāʻokoʻa ke koi aku i nā mea hoʻopili a iʻole nā mea kanu maʻamau ma nā papahana honua.
9. ʻO ka nānāʻana i ka nānāʻana
Dimensional pololei
Nā mea paʻa paʻa (± 1% ma ka hānauʻana, ± 2 mm ma ka maka-maka) E hōʻemi i ka Mis-Alignment i ka wā o ka hoʻonohonohoʻana.
Nui loa, ʻO nā dimensions e hōʻoia i ka hoʻokūkū kūpono, ka mālamaʻana i ka hoʻokūkū hoʻokūkū ma lalo o nā koina a hiki i 250 Bar.
ʻO nā kūpono kūpono
Koho koho-carbon, kila kohu ʻole, a iʻole nā mea hou e hoʻololi i ka nui o ka pā nui a me nā'āpana holoʻokoʻa.
ʻo kahi laʻana, Hiki i nā mea kūʻai aku keʻano 5% nā paia thicker eʻae no nā mea iʻaeʻia, Ma laila e hoʻololi iki i nā dimensional F2f.
Nā helu hoʻohālikelike
Pono nā'āpana o nā'āpana kālā e pili ana i nā helu blange.
Ma keʻano he hoʻohālike, he ansi 300# roy (Ke hoʻoikaika nuiʻana 74 bar ma 100 ° C) pālua me 300# ʻO nā flaes e hōʻike ana i nā pōpoki nui (216 mm vs. 184 MM no 150#), e pono ai i kahi kolamu papaʻainaʻokoʻa no ka papa paʻakikī.
ʻO nā noʻonoʻo noi
- Perrochemical vs. ʻO ka mālama waiʻana. Hvac: Pono pinepineʻia nā media media i nā mea kanu petrochemical e koi pinepine i nā mea hou; Ma ka hoʻohālikelike, Hiki i nā Vvalus Valves ke hahai i nā Losi 150# Kākau mau hua'ōlelo.
- Kūleʻa (TR-Clamp) vsa. 'ĀpanaʻAmelika: ʻO Tri-Clamp Fittings e hoʻohana i nā pilinaʻo But-Well-Wellded a iʻole e haʻalele i nā pilina a me ka haʻaleleʻana mai nā kumu ansi / Din Bolt,
Ke hōʻoia nei i kahi papa hana mini kūikawā.
ʻO nā kumukūʻai a me nā mea hoʻohālike e hāʻawi ai
Nā valle maʻamau (90% o ka noi kuai) E hauʻoli i nā manawa pōkole (2-4 mau pule) a me ka uku haʻahaʻa haʻahaʻa.
Akā naʻe,, Hiki i nā hōʻailona hana a iʻole nā huahana kūikawā paha e kau i nā manawa alakaʻi i nā manawa he 12-16 a hoʻonui i ke kumukūʻai a hoʻonuiʻia e ka $-50%.
NOEHUI, ʻO nā'āpana kaulana (E.g., NPS 2, 4, 6) Hoʻemi i ka hopena downtime a me nā haʻahaʻa haʻahaʻa e lawe ana i nā kumukūʻai.
10. Hopena
Ka hoʻopiʻiʻana i nā valeves a me ke unuhiʻana ma waena o nā kūlana e pāʻani ai i kahi hana pivotal i kahi mea kanu lāʻau palekana, ʻO ka hoʻokōʻana i ka hana, a e kāohi ana i nā uku.
Ma ke kūkuluʻana i kahi papa hana maikaʻi maikaʻi-maikaʻi i hoʻonohonohoʻia me nā papa hana kūpono, Nā papa hoʻoikaika, a me nā manaʻo waihona,
Hiki i nā hui Engine Engine Engineering i nā loiloi hoʻolālā, Hoʻopaʻa, a ho'ēmi i nā hewa o ka hoʻonohonohoʻana.
Lākahi, ʻO ka hoʻoliloʻana i ka manawa i loko o ka hale a me ka mālamaʻana i kēia mau papa i ka hoʻokaʻawaleʻana i nā papa hana i hoʻokaʻawaleʻia i ka hoʻohaʻahaʻaʻana, Hoʻonui ka palekana, a me ka hana kūpono kūpono.
Loaʻa i nā mea hana Valve Galve e loaʻa i nāʻano likeʻole e pili ana i nā dimensions maʻamau.
Ke kohoʻana i nā Valves ma ka hoʻomaʻamaʻa, He mea nui ia e noʻonoʻo i nā koi kūpono, Nā Palapala Pūnaewele Pipaline, a i nā huahana huahana i hāʻawiʻia e ka mea hana e hōʻoia i ke koho pololei a me ka hoʻonohonoho kūpono.
ʻO kēia ʻO ke koho kūpono kūpono no kāu hana hana e pono ai inā makemakeʻoe i ka maikaʻi kiʻekiʻe Nā'āpana Valve.



