More than 20 years of OEM and ODM service experience.

3PC Flanged Ball Valve yokhala ndi Direct Mounting Pad ASME 150lbs China Factory

Kufotokozera Kwachidule:

Malingaliro a kampani NORTECHis m'modzi mwa atsogoleri achi China Direct okwera mpira valavu  Wopanga & Wopereka.

Direct okwera mpira valavu

NPS: 2″-56″

API 6D, API 607 ​​Firesafe,NACE MR0175, ATEX Certified.

Kupanikizika mlingo: Class150-2500lbs

Mpando: DEVLON/NYLON/PTFE/PPT/PEEK etc

Ntchito pamanja, Pneumatic operation ndi Electric ntchito.

Thupi: Chitsulo choponyedwa, Chitsulo chopanga

 


Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Kodi Direct mounting mpira valve ndi chiyani?

A mpira Direct okwera mpira valavukumatanthauza kuti mpirawo umakakamizidwa ndi ma bere ndipo amangololedwa kusinthasintha, kuchuluka kwa hydraulic katundu kumathandizidwa ndi Zoletsa za System, zomwe zimapangitsa kuti pakhale kutsika kwapakati komanso kutopa kwa shaft.

Kuthamanga kwa mapaipi kumayendetsa mpando wakumtunda motsutsana ndi mpira woyima kotero kuti kuthamanga kwa mzere kumakakamiza mpando wakumtunda kupita ku mpirawo kuti utseke.Kuyika kwa mpira kumakoka kumatengera kuthamanga kwa mzere, kulepheretsa kukangana kwakukulu pakati pa mpira ndi mipando, kotero kuti ngakhale torque yogwira ntchito ikadali yotsika.Izi ndizopindulitsa makamaka pamene valavu ya mpira imayendetsedwa chifukwa imachepetsa kukula kwa actuator ndipo motero ndalama zonse za phukusi la valve actuation.The trunnion imapezeka misinkhu yonse ndi makalasi onse opanikizika koma makamaka ndi zazikulu zazikulu komanso zovuta kwambiri.

kuponyedwa trunnion wokwera valavu mpira

Zofunikira zazikulu za NORTECH Direct mounting mpira valve

1. Double Block ndi Bleed (DBB)

Vavu ikatsekedwa ndipo nthiti yapakati imatsanulidwa kudzera mu valavu yotulutsa, mipando yakumtunda ndi yakumunsi imatsekeka.Ntchito ina ya chipangizo chotulutsa ndi chakuti mpando wa valve ukhoza kufufuzidwa ngati pali kutuluka panthawi yoyesedwa.Kuonjezera apo, madipoziti mkati mwa thupi akhoza kutsukidwa kupyolera mu chipangizo chotulutsira.chipangizo chotulutsira chapangidwa kuti chichepetse kuwonongeka kwa mpando ndi zonyansa pakati.

tsinde lopanda moto
mpando wosayaka moto
kusindikiza kumodzi
kusindikiza kamodzi 02
2 block and bleed (DBB)
kusindikiza kawiri
kusindikiza kawiri 2
chipangizo chojambulira sealant

4.Moto Wopanga Mapangidwe Apangidwe

Pakayaka moto pakugwiritsa ntchito valavu, mphete yapampando, tsinde O mphete ndi mphete yapakatikati ya O yopangidwa ndi PTFE, mphira wazinthu zina zopanda zitsulo amawonongeka kapena kuonongeka pansi pa kutentha kwakukulu. valavu idzakankhira chosungira mpando mofulumira ku mpira kuti ipangitse mphete yosindikizira yachitsulo kuti igwirizane ndi mpirawo ndikupanga chitsulo chothandizira kuzitsulo zosindikizira zachitsulo, zomwe zingathe kulamulira bwino kutayikira kwa valve. 607, API 6FA, BS 6755 ndi mfundo zina.

13. Tsinde Lowonjezera

Ponena za valavu yophatikizika, tsinde yowonjezera ikhoza kuperekedwa ngati ntchito ya pansi ikufunika. Tsinde lotambasula limapangidwa ndi tsinde, valavu ya jekeseni yosindikizira, ndi valavu yotulutsa madzi yomwe ingathe kufalikira pamwamba kuti ikhale yosavuta.Ogwiritsa ntchito akuyenera kuwonetsa zofunikira ndi kutalika kwa tsinde poika maoda.Kwa valavu ya mpira yoyendetsedwa ndi magetsi, pneumatic ndi pneumatic - hydraulic actuators, kutalika kwa tsinde kuyenera kuchokera pakati pa payipi kupita kumtunda wapamwamba.

tsinde yowonjezera

6.Reliable mpando kusindikiza dongosolo

Kusindikiza pampando kumazindikirika kudzera m'mipando iwiri yoyandama, imatha kuyandama kuti itseke madzi, kuphatikiza kusindikiza mpira ndi kusindikiza thupi. lakonzedwa bwino, amene amazindikira mkulu kuthamanga kusindikiza ndi kuthamanga kwa sing'anga palokha. The zotsatirazi mitundu iwiri ya mpira kusindikiza akhoza anazindikira.

7.Kusindikiza Kumodzi

(Automatic Pressure Relief in Middle Cavity of Valve) Nthawi zambiri, kusindikiza kumodzi kumagwiritsidwa ntchito.Pamene kasupe wodziyimira pawokha wodzaza kumtunda ndi pansi pamitsinje yosindikizira mipando imagwiritsidwa ntchito, kupanikizika kwambiri mkati mwa valavu kumatha kuthana ndi kulimba kwa kasupe, kuti mpando utuluke mu mpira ndikuzindikira mpumulo wokhazikika wopita kumunsi. .Kumtunda kwa mtsinje: Pamene mpando ukuyenda axially motsatira valavu, kukanikiza "P" kochokera kumtunda (kulowetsa) kumapanga mphamvu yobwereranso pa A1, Monga A2 ndi yapamwamba kuposa A1, A2-A1 = B1, mphamvu pa B1 idzakankhira mpando ku mpira ndikuzindikira kusindikizidwa kolimba kwa gawo lakumtunda

Mtsinje wapansi: Kuthamanga kwa "Pb" mkati mwa valavu Cavity kumawonjezeka, mphamvu yogwiritsidwa ntchito pa A3 imakhala yochuluka kuposa ya A4.Monga A3-A4 = B2, kusiyana kwa kuthamanga kwa B2 kudzagonjetsa mphamvu ya masika kuti mpando utulutsidwe kuchokera ku mpira ndi kuzindikira mpumulo wa valve kumunsi kwa mtsinje pambuyo pake, mpando ndi mpira zidzasindikizidwanso pansi pa kasupe. .

Kusindikiza kwachiwiri: Kutsika.

Kusiyanitsa kwa kuthamanga kukatsika kapena kulibe kusiyanitsa kokakamiza, mpando woyandama umasuntha mozungulira pa valve pansi pa zochitika za masika ndikukankhira mpando ku mpira kuti utseke mwamphamvu.Pamene mphamvu ya valve P ikuwonjezeka, mphamvu yomwe imagwira pa A4 ya mpando wa valve pamwamba pa mphamvu ya A3, A4- A3 = B1. kusindikiza kolimba kwa gawo lakumtunda.

9.Chida Chothandizira Chitetezo

Monga valavu ya mpira imapangidwira ndi kusindikiza kwapamwamba komanso kwachiwiri komwe kumakhala ndi pistoni iwiri, ndipo phokoso lapakati silingathe kuzindikira mpumulo wokhazikika, valavu yotetezera chitetezo iyenera kuikidwa pa thupi kuti iteteze kuopsa kwa kuwonongeka kwakukulu. M'kati mwa valavu yomwe imatha kuchitika chifukwa cha kuwonjezereka kwa kutentha kwapakati.Kulumikizana kwa valve yotetezera chitetezo nthawi zambiri kumakhala NPT 1/2.Mfundo ina yomwe iyenera kuzindikiridwa ndi yakuti sing'anga ya valve yothandizira chitetezo imatulutsidwa mwachindunji mumlengalenga.Ngati kutulutsa kwachindunji mumlengalenga sikuloledwa, timalimbikitsa kuti valavu ya mpira yokhala ndi mawonekedwe apadera odziwikiratu kumtunda kwa mtsinje iyenera kugwiritsidwa ntchito. Onani zotsatirazi kuti mudziwe zambiri.Chonde zisonyezeni mu dongosolo ngati simukusowa valavu yothandizira chitetezo kapena ngati mukufuna kugwiritsa ntchito valavu ya mpira yokhala ndi dongosolo lapadera lochepetsera kuthamanga kumtunda.

chipangizo chothandizira chitetezo

Kujambula kwa mfundo za valve valve kumtunda ndi kumtunda kusindikiza

kapangidwe ka mpando 01

Mfundo yojambulira pabowo la valve yotsitsa kuthamanga kwa mtsinje kumtunda ndi kusindikiza kwa mitsinje

kapangidwe ka mpando02

12.Kukaniza kwa Corrosion ndi Kukaniza Stress Resistance

Ndalama zina za dzimbiri zatsala pa makulidwe a khoma la thupi.

Tsinde la chitsulo cha carbon, shaft yokhazikika, mpira, mpando ndi mphete zapampando zimayikidwa ndi nickel plating malinga ndi ASTM B733 ndi B656. Komanso, zipangizo zosiyanasiyana zolimbana ndi dzimbiri zilipo kwa ogwiritsa ntchito kuti asankhe. kusankhidwa molingana ndi NACE MR 0175 / ISO 15156 kapena NACE MR 0103, ndipo kuwongolera bwino kwambiri ndi kuyang'anira khalidwe kuyenera kuchitidwa panthawi yopanga kuti akwaniritse zofunikira pamiyezo ndikukwaniritsa mikhalidwe yautumiki mu chilengedwe cha sulfure.

Zofotokozera za NORTECH Direct mounting mpira valve

Trunnion Ball Valve Technical Makulidwe

M'mimba mwake mwadzina

2”-56”(DN50-DN1400)

Mtundu Wolumikizira

RF/BW/RTJ

Design muyezo

API 6D/ASME B16.34/API608/MSS SP-72 vavu ya mpira

Thupi lakuthupi

Chitsulo choponyera/Chitsulo chosapanga dzimbiri/Chitsulo chosapanga dzimbiri/Chitsulo chosapanga dzimbiri

Zida za mpira

A105+ENP/F304/F316/F304L/F316L

Zida zapampando

PTFE/PPL/NYLON/PEEK

Kutentha kwa ntchito

Kufikira 120°C kwa PTFE

 

Kufikira 250°C pa PPL/PEEK

 

Kufikira 80°C kwa NYLON

Flange yomaliza

ASME B16.5 RF/RTJ

BW pomaliza

ASME B 16.25

Maso ndi maso

ASME B 16.10

Kutentha kwamphamvu

ASME B 16.34

Chitetezo chamoto & anti-static

API 607/API 6FA

Muyezo woyendera

API598/EN12266/ISO5208

Umboni wowonetsera

Zotsatira ATEX

Mtundu wa ntchito

Ma gearbox amanja / Pneumatic actuator / Electric actuator

Chiwonetsero cha malonda:

trunnion-mpira-vavu-03
trunnion-mpira-vavu-04
trunnion-mpira-vavu-05

Kugwiritsa ntchito valavu ya mpira ya NORTECH Direct

Mtundu uwuWokwera Mpira Valveamagwiritsidwa ntchito kwambiri pakugwiritsa ntchito, kuyenga ndi kunyamula mafuta, gasi ndi mchere.Itha kugwiritsidwanso ntchito popanga mankhwala, mankhwala;dongosolo kupanga hydroelectricity, mphamvu matenthedwe ndi mphamvu nyukiliya;ndondomeko yopumira,

 


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