I. Hobanengvalafo ea serurubelelitekanyetso li bohlokoa?
Tekanyetso e totobatsa moralo oa li-valve tsa serurubele le liteko tseo valve ka 'ngoe e lokelang ho li feta. Ntle le litekanyetso tsena, tšireletso ea sistimi e ke ke ea tiisoa. Li-valve li ke ke tsa lumellana, likarolo li ke ke tsa lumellana, 'me sistimi eohle ea liphaephe e pepesehetse kotsi e sa hlokahaleng.
Tekanyetso ea tlhaloso ea valve ea serurubele eo u e latelang e khetholla mokhoa oa khokahano ea flange, tekanyo ea khatello le boemo ba thepa. Sena se bolela hore baenjiniere ba hloka ho bapisa tekanyetso e 'ngoe le e 'ngoe ea valve ea serurubele le khatello, phallo le mecha ea phatlalatso ea sistimi ho netefatsa hore ntho e 'ngoe le e 'ngoe e sebetsa hantle.
Sehlooho sena se shebana le maemo a 'maloa a tloaelehileng a li-valve tsa serurubele tsa ISO' me se a hlalosa ka botlalo:
II.Valve ea SerurubeleMaemo a Motheo a Sehlahisoa
| NOMORO E Tloaelehileng. | Lebitso le Tloaelehileng | Sebaka sa ts'ebeliso | Liparamente tsa Bohlokoa tsa Tekheniki le Lintlha |
| ISO 10631 | Li-valve tsa indasteri - Li-valve tsa serurubele tsa tšepe | Li-valve tsa serurubele tsa tšepe tse nang le litekanyo tse tloaelehileng DN40 ~ DN2000 le maemo a khatello PN10 ~ PN400 | Sebopeho sa sebopeho (ho lekana/ho se leka-lekane bohareng), sehlopha sa ho tiisa (ISO 5208 Sehlopha sa A ~ F), litlhoko tsa thepa ('mele oa valve, poleiti ea serurubele, lesale la ho tiisa) |
| ISO 21159 | Li-valve tsa serurubele tsa tšepe bakeng sa tšebeletso ea mocheso o tlase | Maemo a tshebetso a mocheso o tlase a nang le mocheso o sebetsang ≤-46℃ (jwalo ka LNG, kgase e metsi) | Litlhoko tsa ho tiea ha thepa mochesong o tlase (teko ea tšusumetso ea -196°C), moralo oa ho tiisa sebopeho se khahlanong le serame, mokhoa oa teko ea torque mochesong o tlase |
| ISO 16136 | Li-valve tsa serurubele tsa Thermoplastic | Li-valve tsa serurubele tsa PVC, PP, PVDF le tse ling tsa thermoplastic tse nang le boholo bo tloaelehileng ba DN50 ~ DN1200 | Tekanyetso ea khatello ea 'mele oa valve ea polasetiki (PN6~PN16), litlhoko tsa mocheso oa phetoho ea mocheso, ho tiisa para ea ho hanyetsa ts'enyeho ea lik'hemik'hale (teko ea ISO 175) |
| ISO 22306 | Li-valve tsa lirurubele tsa polasetiki tse matlafalitsoeng ka faeba | Velve ea serurubele ea polasetiki e matlafalitsoeng ea khalase (GRP) e nang le boholo bo tloaelehileng DN100 ~ DN3000 | Matla a sebopeho sa faeba laminate (teko ea ho tenyetseha ea ISO 527), khanyetso ea botsofali ba UV(ISO 4892-3), ho hanyetsa ho roala ha para ea ho tiisa |
III.Valve ea serurubelemaemo a tekheniki a tšehetsang
| NOMORO E Tloaelehileng. | Lebitso le Tloaelehileng | Sebaka sa ts'ebeliso | Liparamente tsa Bohlokoa tsa Tekheniki le Lintlha |
| ISO 5752 | Li-valve tsa tšepe - Litekanyo tsa ho shebana le sefahleho le bohareng le sefahleho | Tlhaloso e akaretsang bakeng sa bolelele ba sebopeho sa li-valve tsohle tsa tšepe (ho kenyeletsoa le li-valve tsa serurubele) | Letoto le lekgutshwane (Letoto la A/B), tafole e telele ya tekanyo ya letoto la (Letoto la C/D), mamello ya sefahleho sa ho kopanya difapano tsa flange (≤0.3mm) |
| ISO 5211 | Li-valve - Ho kenya li-actuator | Khokahano ea khokahano pakeng tsa valve le actuator ea pneumatic/electric | Boholo ba shaft ea drive ea sekwere (joalo ka 25×25mm), mamello ea bophara ba keyway (± 0.1mm), katleho ea phetisetso ea torque (≥95%) |
| ISO 5208 | Li-valve tsa tšepe - Teko ea khatello | Mekhoa ea teko ea matla a khetla le ho tiea ha li-valve tsa tšepe (ho kenyeletsoa le li-valve tsa serurubele) | Khatello ea teko ea khetla (1.5×PN), khatello ea teko ea tiiso (1.1×PN), sekhahla sa ho lutla (ISO 5208 Class A~F) |
| ISO 10497 | Teko ea li-valve - Litlhoko tsa tlhahlobo ea mofuta oa mollo | Ts'ebetso ea polokeho ea mollo ea li-valve tse sebelisoang indastering ea petrochemical | Nako ea ho pepesehela malakabe (metsotso e 30), khatello ea ka hare (2.1 MPa), moeli oa sekhahla sa ho lutla (≤ 0.5 L/min) |
| ISO 15848-1 | Tekanyo ea mesi e tsoang ka ntle ho naha | Tlhahlobo ea tekanyo ea ho lutla ha methane/VOC ea valve | Sehlopha sa sekhahla sa ho dutla (A~F), mokhoa oa ho lemoha (helium mass spectrometer/mokhoa oa lipululana), litlhoko tsa bophelo ba tiiso (lipotoloho tse ≥100,000) |
IV.Maemo a Kakaretso a Motheo
| NOMORO E Tloaelehileng. | Lebitso le Tloaelehileng | Sebaka sa ts'ebeliso | Liparamente tsa Bohlokoa tsa Tekheniki le Lintlha |
| ISO 16046 | Li-valve - Maele a sebelisoang | Litlhaloso tsa Motheo tsa Mantsoe a Motheo bakeng sa Mefuta Eohle ea Li-valve | Mantsoe a khethehileng bakeng sa li-valve tsa serurubele(tse kang “tse sa tloaelehang habeli”, “tse sa tloaelehang hararo”, “tiiso e bonolo”, “tiiso e thata”) |
| ISO 15848-2 | Teko ea ho amohela sehlahisoa | Mokhoa oa ho lemoha ho lutla ha metsi nakong ea tlhahiso ea li-valve | Morero oa ho etsa disampole (AQL 1.5), khatello ea ho lemoha (1.1×PN),Mekhoa ea ho tšoaneleha (phallo e lekantsoeng ea ≤0.1%) |
V. Tlhahlobo ea Litekanyetso tsa Mekhoa e Tloaelehileng e Akaretsang
| Tekanyetso ea ISO | API 609 (Tekanyetso ea Amerika) | GB/T 12238(Tekanyetso ea Naha) | EN 593(Tekanyetso ea Europe) | Ho lekanyaIlitaelo |
| ISO 10631 | Sehlopha sa API 609 A/B | GB/T 12238-2008 | EN 593-2013 | Li-valve tsohle tse tharo tsa tšepe tse koahelang lirurubele, empa API 609 e hatisa moralo oa "e sa tloaelehang habeli", 'me EN 593 e eketsa litlhoko tsa sebopeho sa "e sa tloaelehang hararo". |
| ISO 5752 | Sehlomathiso sa API 609 B | GB/T 12221-2005 | EN 558-1/2 | ISO 5752 e lumellana ka botlalo le EN 558, 'me GB/T 12221 e eketsa litekanyo tse ikhethileng tsa China (tse kang DN2500) |
| ISO 5208 | API 598 | GB/T 13927-2008 | EN 12266-1 | Mekhoa ea liteko tsa tse tharo e tšoana, empa API 598 e lumella sekhahla se phahameng sa ho lutla (Sehlopha sa VI), 'me ISO/EN e na le litlhoko tse thata (Sehlopha sa A) |
| ISO 10497 | API 607/6FA | GB/T 23935-2009 | ISO 10497(E amohetsoe ka ho lekana) | Maemo a teko ea mollo a tšoana hantle, empa API 6FA e eketsa litlhoko tse ling bakeng sa "tšusumetso e tlase ea mocheso" |
VI. Kakaretso le Likhothaletso
1. Botlalo bo tloaelehileng ba ho koahela:Sistimi e tloaelehileng ea ISO e koahetse ka botlalo potoloho eohle ea bophelo ba li-valve tsa serurubele ho tloha moralo, tlhahiso ho isa litekong, 'me e ntle haholo masimong a hlahang (joalo ka mocheso o tlase, li-valve tsa polasetiki).
2. Liphapang liparamenteng tsa tekheniki:
- Boemo ba ho tiisa:ISO 5208 le EN 12266 li thata haholo (Sekhahla sa ho dutla ha metsi sa Sehlopha sa A ≤0.05% se lekantsweng ke phallo), API 598 e dumella Sehlopha sa VI (≤0.3%).
- Litlhoko tsa tšireletso ea mollo:Maemo a teko ea ISO 10497 le API 6FA a tsitsitse, empa ISO ha e laele liteko tsa tšusumetso mochesong o tlase.
3. Litlhahiso tsa Khetho ea Litheko tsa Khoebo:
-Ho Romela Europe:Setifikeiti sa maemo a mabeli sa ISO/EN se fuoa pele (joalo ka ISO 10631+EN 593).
- Felaho etela United States:Ho hlokahala mangolo a khethehileng a ho netefatsa API 609 (sebopeho) le API 598 (tlhahlobo).
- Merero ea Lehae:GB/T 12238 e ka akaretsa litlhoko tsa kamehla, empa merero ea maemo a holimo e khothaletsoa ho latela ISO 15848 (ho dutla ho tlase) ka nako e le 'ngoe.
Li-valve tsa serurubele, li-valve tsa heke, li-valve tsa ho hlahloba, leha di-valve di fapane, polokeho e tshwana.Tianjin Tanggu Water-Seal Valve Co., Ltd. e latela sistimi e tloaelehileng ea ISO, e haha boleng ka thata, 'me e hapa tšepo ka botsebi. E thehiloe litekanyetsong le sepheong sa nako e telele -TWSe etsa hore lefatše le be le metsi le ho feta.
Nako ea poso: Phupu-22-2026
