Nkhani

Buku lothandizira kwambiri pa uinjiniyaMa Vavu a Gulugufe a Pneumatic—kuphimba njira zoyendetsera actuator,mapangidwe a offset, kuwerengera torque, kuyika ISO 5211, ndi miyezo ya API 609 ya automation yamafakitale.

Chidule cha Oyang'anira: Kodi Valvu ya Gulugufe Yoyendetsedwa ndi Pneumatic ndi Chiyani?

A Valavu ya Gulugufe ya Pneumatic Actuatorndi msonkhano wodzilamulira wokha wowongolera kayendedwe ka kotalaYopangidwa ndi thupi la valavu ya gulugufe lomwe limayendetsedwa ndi chowongolera mpweya choponderezedwa. Chodziwika bwino chifukwa cha kapangidwe kake kakang'onomiyeso yoyang'anana maso ndi maso, kapangidwe kopepuka, komanso liwiro la kusuntha mwachangu, izivavu ya gulugufe ya mtundu wa actuatorimapereka njira yodalirika yozimitsira ndi kutsekereza mapaipi akuluakulu. Yophatikizidwa ndi chipangizo chopopera mpweyachoyendetsera valavu ya gulugufe, mayunitsi awa amapereka yankho mwachangu, chitetezo champhamvu, komansomakina odzichitira okha omwe ndi otsika mtengo pokonza madzi, kukonza mankhwala, HVAC, ndi makina opangira magetsi.

1. Mfundo Yogwirira Ntchito & Makina Oyendetsera Pneumatic

Chodzichitira chokhavalavu ya gulugufe ya pneumaticimatembenuza kuthamanga kwa mpweya (nthawi zambiri 4.0–8.0 barmpweya woperekedwa ndi chomera) kulowa mu makina ozungulira shaft. Mpweya wopanikizika umagwira ntchito motsutsana ndi ma pistoni amkati kapena ma diaphragmmkati mwa nyumba ya actuator, kuyendetsa shaft yozungulira ya 90° yolumikizidwa ku diski ya valve kudzera mu
ISO 5211mawonekedwe apamwamba a flange.

Mitundu ya Makina Oyendetsera Magalimoto a Butterfly Valve Actuator

Kusankha cholondolachoyendetsera valavu ya gulugufeZimadalira torque output curve, cycle frequency, ndi kukula kwa valve bore:

Zoyeretsera Rack ndi Pinion:Ma pistoni awiri okhala ndi ma gear racks ophatikizidwa amapereka mzeremphamvu yogwira ntchito pa 90° yonse. Kuyenda pang'ono komanso kuyenda mofulumira kumawathandiza kukhala makampani opanga zinthumuyezo wa ma valve odziyimira okha kuyambira pa kuwala mpaka pakati (DN40 mpaka DN300).
Zoyeserera za Scotch Yoke:Kusonkhana kwa goli ndi block kumapanga torque yosakhala yolunjikamawonekedwe okhala ndi mphamvu yotulutsa mphamvu kwambiri kumapeto kwa stroke (kutuluka ndi kukhala pansi). Ubwino wa makina uwu umapangitsaNdi abwino kwambiri pazitali zazikulu, zogwira ntchito bwino, kapena zokhala ndi zitsulomavavu atatu a gulugufe
(DN350 mpaka DN1200+).

Njira Zochitira Zinthu Pampweya: Kuchita Zinthu Kawiri Poyerekeza ndi Kubwerera kwa Masika

Kusintha kwa Actuator	Njira Yogwirira Ntchito	Mkhalidwe Wosalephera Kuchitapo Kanthu
Kuchita Zinthu Kawiri (DA)	Pamafunika mpweya wopanikizika pa Port A kuti utseguke komanso Port B kuti utseke.	Kulephera:Imasunga malo ake apano mpweya ukatayika.
Kubwerera kwa Masika (SR / Single Acting)	Mpweya umayendetsa mbali imodzi pamene ukukanikiza masipiringi amkati. Masipiringi amayendetsa mbali ina.	Kulephera kwa Makina:Zimasinthira zokha kuKulephera-Kutseka (FC) or Kulephera-Kutsegula (FO)pakagwa vuto la mpweya.

Chidziwitso Chauinjiniya Waukulu

Pa ntchito zofunika kwambiri pa chitetezo (monga machitidwe otseka mwadzidzidzi), nthawi zonse tchulanima actuator obwerera masikandi malo oyenera osalephera. Ma actuator ogwirira ntchito awiri ndi omwe amakondedwa poyendetsa kayendetsedwe kake pomweKusunga malo pamene magetsi atayika n'kovomerezeka.

2. Kapangidwe ka Thupi la Valve & Mitundu ya Kapangidwe ka Offset

Kusinthasintha kwa makina a shaft ya disc kumatanthauza mphamvu yogwirira ntchito, kukangana kwa mpando, ndi mphamvu ya kutenthayavavu ya gulugufe ya mtundu wa actuator:

1. Ma Vavu a Gulugufe Okhazikika (Okhala Olimba)

Tsinde lake lili pakati pa diski ndi chivundikiro cha mpando. Limagwiritsa ntchito zofewa zopyapyala (EPDM, NBR,Viton, kapena PTFE) kuti akwaniritseKutseka kwa zero-leakage kwa ANSI/FCI 70-2 Class VI. Yoyenera kwambiripa ntchito zamadzi, mpweya, HVAC, ndi mankhwala ofatsa omwe ali ndi mphamvu yochepa mpaka 16 bar ndi 150°C.

2. Ma Vavu a Gulugufe Opanda Kawiri (Ogwira Ntchito Kwambiri)

Kutsetsereka kwa shaft kuchokera pakati pa mpando ndi pakati pa chitoliro cha mapaipi. Kusasinthasintha kumeneku kumayambitsa diski"kukweza" kuchokera pampando panthawi yozungulira, kuchepetsa kukangana, kuchepetsa mphamvu ya mipando, komanso kukulitsa mpandoNthawi yogwira ntchito. Imapezeka ndi mipando yofewa ya PTFE/RPTFE kapena mphete zosindikizira zachitsulo zosinthasintha kuti zigwiritsidwe ntchito pa mphamvu yapakati.
nthunzi ndi mizere ya njira.

3. Ma Vavu a Gulugufe Okhala ndi Zitsulo Zotsika Katatu (TOBV)

Ili ndi ngodya yachitatu yolumikizidwa mu mawonekedwe a makona a mpando. Iyi si yopapatiza, komanso yogwira ntchito ngati kamera.Kapangidwe kake kamapangitsa kuti pakhale kuzungulira kopanda kukangana komanso mipando yolimba yochokera ku chitsulo kupita ku chitsulo (Stellite / Laminated Stainless)Chitsulo). Chopangidwa kuti chigwire ntchito mwamphamvu, kutentha kwambiri mpaka 550°C+, madzi oundana, komanso choteteza moto.ntchito.

Zosankha Zomaliza Zolumikizira

Mtundu wa Wafer:Thupi laling'ono logwiridwa pakati pa mapaipi olumikizirana ndi mabotolo odutsa. Kulemera kochepa kwambiri ndi malo osungira.
Mtundu wa Chikwama:Ma lugs okhala ndi ulusi pa thupi omwe amafanana ndi mapatani a flange bolt. Amalola ntchito yopanda malire komanso kukonza mzere wotsatira.
Mtundu Wopindika Kawiri:Ma flange ophatikizidwa mbali zonse ziwiri; ndikofunikira pa ma diameter akuluakulu (DN300+) ndi malo obisika kapena olemera a mapaipi.

Malangizo Osankha:Pa ntchito yomaliza (yodzipatula kumapeto kwa mzere), nthawi zonse sankhanimtundu wa zikwamaor chopindikaMa valve amtundu wa Wafer sali oyenera kugwiritsidwa ntchito kumapeto kwa mzere chifukwa amadalirapa bolting pakati pa ma flange awiri kuti pakhale umphumphu wa makina.

3. Zowonjezera Zowongolera Zokha

Kuti musinthe valavu ya gulugufe yoyendetsedwa ndi mpweya kukhala chinthu chowongolera chanzeru, kuphatikizaZowonjezera za pneumatic zimayikidwa mwachindunji kudzeraNAMURndiISO 5211malo olumikizirana:

Phukusi Lokhazikika la Zowonjezera Zokha

Zoyimitsa Ma Valve a Electro-Pneumatic (4–20mA / HART / Fieldbus):Konzani mpweyaKupanikizika kochokera pa chizindikiro chowongolera kuti chiwongolere kayendedwe ka madzi molondola.
Ma Value a Solenoid (Malo Oyikira NAMUR a 3/2 kapena 5/2):Yang'anirani momwe mpweya umayenderapa ntchito yodzipatula yokha yomwe imachitika nthawi yomweyo. Pali njira zitatu za SIL zomwe zingagwiritsidwe ntchito pa mizere yotseka yachitetezo.
Mabokosi Osinthira Malire (Osaphulika / IP67):Perekani chizindikiro chapafupindipo imatumiza mayankho amagetsi otseguka/otseka ku PLC kapena DCS.
Zowongolera Zosefera za Mpweya (AFR):Fyuluta tinthu tating'onoting'ono tomwe timasefa mpaka ma microns 5 ndiSungani mpweya wokwanira kuti muteteze zisindikizo zamkati mwa actuator.
Kuchotsera Komwe Kungathe Kuchotsedwa Pamanja:Ma gearbox a mawilo oyendetsedwa ndi manja oyikidwa pakati pa valavu ndichoyeretsera chomwe chimalola kugwira ntchito ndi manja panthawi ya mpweya wopanikizika kapena kulephera kwa magetsi.

Kuti mudziwe zambiri zokhudza kusankha zowonjezera, pitani ku tsamba lathu laChitsogozo cha Zowonjezera Zopangira Ma Valve.

4. Miyezo ya Kukula ndi Kapangidwe ka Actuator ya Uinjiniya

Kukula kolondola kwa actuator ndikofunikira kwambiri kuti mupewe kugwedezeka kwa valve, kusintha kwa tsinde, kapena kukhazikika kwa actuator panthawi yakutsegula pansi pa kupanikizika kwakukulu kwa kusiyana.

Fomula Yowerengera Kukula kwa Actuator

Mphamvu Yonse Yofunikira= (Mpweya Wophulika + Mpweya Wosinthasintha wa Madzi) × Chofunikira pa Chitetezo cha Media

Langizo la Uinjiniya:Nthawi zonse gwiritsani ntchito zochulukitsa chitetezo kutengera mtundu wa media:

1.25— Mafuta oyera opaka mafuta
1.30 mpaka 1.40— Mpweya wouma ndi mpweya wopanikizika
1.50+— Madontho, zakumwa zokhuthala, kapena nthunzi yotentha kwambiri

Zofunikira pa Kupanga ndi Kusankha Bwino

Kapangidwe ndi Kupanga:API 609, ASME B16.34, ISO 10631, EN 593
Kuyesa ndi Kuyang'anira:API 598, ISO 5208, EN 12266
Chiyankhulo cha Actuator & Zowonjezera:ISO 5211 (Top Flange), VDI/VDE 3845 (NAMUR)
Satifiketi Yoteteza Moto:API 607, ISO 10497 (Mitundu itatu ya Offset)
Chitsimikizo cha Utsi Wotuluka Mwadzidzidzi:API 641, ISO 15848-1

5. Mafunso Ofunsidwa Kawirikawiri (Mafunso Ofunsidwa Kawirikawiri pa Uinjiniya)

Q1: Kodi valavu ya gulugufe ya pneumatic actuator ingagwiritsidwe ntchito powongolera kayendedwe ka madzi molondola?

Inde. Mwa kuyika valavu ya gulugufe ya double offset kapena concentric yokhala ndi digito electro-pneumatic positioner(chizindikiro cha 4–20mA), cholumikiziracho chimagwira ntchito ngati valavu yowongolera yogwira ntchito bwino yoyendetsera kuthamanga kwamphamvu komanso kotsikamapaipi otayira.

Q2: Kodi ubwino waukulu wa valavu ya gulugufe yamtundu wa actuator ndi wotani kuposa valavu ya mpira?

Ma valve a gulugufe a pneumatic ndi opepuka kwambiri, ang'onoang'ono kwambiri poyang'anana maso ndi maso, komanso ochulukirapoyotsika mtengo kwambiri pa kukula kwa mizere ikuluikulu (DN200 / 8-inch ndi kupitirira apo) poyerekeza ndi ma valve a mpira ofanana.

Q3: N’chifukwa chiyani muyezo woyikira wa ISO 5211 uli wofunikira pa actuator ya valve ya gulugufe?

ISO 5211 imatanthauzira mapangidwe ofanana a bolt, kukula kwa shaft yoyendetsa, ndi kukula kwa flange. Izi zimatsimikizira kuti zinthuzo ndi zofanana.kusinthana, zomwe zimathandiza kuti ma actuator a pneumatic ochokera kwa opanga osiyanasiyana azitha kuyiyika mwachindunji pa ma valvupopanda mabulaketi apadera.

Q4: Kodi kusiyana pakati pa ma valve a gulugufe okhala ndi mipando yofewa ndi okhala ndi mipando yachitsulo ndi kotani?

Ma valve okhala ndi mipando yofewa amagwiritsa ntchito mipando ya elastomeric kapena PTFE kuti azitha kutseka popanda kutayikira kwambiri kutentha kochepa.(nthawi zambiri ≤150°C). Ma valve okhala ndi zitsulo (okhala ndi ma triple offset) amagwiritsa ntchito kutseka kwachitsulo ndi chitsulo ndipo amatha kupirirakutentha kufika pa 550°C+, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito ndi nthunzi, mafuta ofunda, komanso ntchito zoziziritsa kukhosi.

Muli ndi mafunso ena? Sakatulani tsamba lathuMafunso Ofunsidwa Kawirikawiri pa ValvekapenaLumikizanani ndi gulu lathu la mainjiniya mwachindunji.

Mukufuna Thandizo Posankha Actuator Yoyenera ya Pneumatic?

Gulu lathu la mainjiniya a ma valve lingakuthandizeni kukula, kusankha, ndi kupeza malo abwino kwambirivalavu ya gulugufe ya pneumatic actuator yomwe mungagwiritse ntchito—yokhala ndi mawerengedwe a torque,ma phukusi owonjezera, ndi zikalata zotsatizana.

Pemphani Upangiri wa Kukula →

Nthawi yotumizira: Sep-06-2026

Valavu ya Gulugufe ya Pneumatic Actuator: Kukula, Torque & Guide Yosankha