Ko adii nde valve oo liggortee, jarribo semmbe valve oo e jarribo vursugol valve oo ina foti wazeede e dow bensiin jarribo hidrolik valve oo. 20% e valveeji lowre ndee ina poti ƴeewteede no haanirta nii, 100% ina poti ƴeewteede so tawii ɗi ngalaa ; 100% e valveeji hakkundeeji e toowɗi ina poti ƴeewteede. Mediaaji ɓurɗi huutoreede ngam ƴeewde tolno nguleeki valve ko ndiyam, nebam, henndu, aaludere, azot ekn... Laabi ƴeewndo tolno nguleeki valve gollorɗe ina heen valve pneumatik ko nii :
Laawol jarribo tolno nguleeki valve butterfly
Fooyre doole ɓuuɓol pneumatique ko gootum e ɓuuɓol globe. E nder jarribo golle siifde valve buubaaji, jarribo ngo ina foti naatde gila e joofnirde doggol ngol, jokkorgal buubaaji ngal ina foti udditeede, jokkorgal goɗngal ngal ina foti uddeede, tawa noon doole injection ina poti yettaade tolno toɗɗaaɗo oo ; caggal nde ƴeew-ɗaa so tawii alaa ko ɓuuɓnata e paaspoor oo e sewndeeji goɗɗi ɗii, uddu-ɗaa laylaytol buubaaji ngol, udditaa heen ŋorol goɗngol ngol, ƴeewtaa-ɗaa valve buubaaji ɗii. Alaa lekki to seal plate ina waawi. Valve butterfly kuutorteeɗo ngam reende doggol ina waawi waasde ƴeewteede ngam ƴeewde golle siifde.
Laawol jarribo tolno nguleeki valve ƴeewndo
Ngonka jarribo valve ƴeewndo : aksiyoŋ diski valve ƴeewndo lift ina woni e nokku gonɗo e dow ; aksiyoŋ kanndaa valve ƴeewndo swing e aksiyoŋ diski ina ngondi e nokku ko ina wona parallel e doggol gonngol dow ngol.
E nder jarribo doole, mbaydi jarribordi ndii ina naata gila e naatgol ngol haa e nafoore toɗɗaande ndee, tawa kadi ko jokkere enɗam ndee ina udditee, ina waawi ƴeewde so tawii ɓanndu valve e ɓuuɓri valve alaa ko ɓuuɓnata.
E nder jarribo siifngo, mbaydi jarribordi ndii ina naata gila e joofnirde yaltirde, tawa kadi ko e nder jarribo naatirde ndee, tawa kadi alaa ko ɓuuɓnata e packing e gasket ina waawi.
Laawol jarribo tolno valve damal
Test doole valve damal ko gootum e valve globe. Laabi ɗiɗi ina ngoodi ngam ƴeewde tiiɗnaare valve damal.
1Uddit damal ngal ngam waɗde ɓuuɓol e nder valve ngol ina ummoo e tolno toɗɗaaɗo oo ; caggal ɗuum uddu damal ngal, yaltin valve damal ɗoon e ɗoon, ƴeew so tawii won ɓuuɓol e sewnde banngeeji ɗiɗi damal ɗii, walla directement injection medium test e nder plug e dow cover valve oo haa tolno toɗɗaaɗo oo , ƴeewto seeluuji ɗii banngeeji ɗiɗi damal ɗii fof. Laawol ngol dow ngol wiyetee ko jarribo tolno hakkundeejo. Ndee feere fotaani huutoreede ngam jarribooji siifde e valveeji dame jogiiɗi njaajeendi nominaali les DN32mm.
2Laawol goɗngol ko udditaade damal ngam waɗde tolno jarribo valve oo ɓeydoo haa yettoo tolno toɗɗaaɗo oo ; caggal ɗuum uddu damal ngal, uddita heen feccere wootere e laylaytol wumre ngol, ƴeewaa so tawii ko ɓuuɓri ɓuuɓri ndii ɓuuɓnata. Ndeen rutto-ɗaa caggal, mbaɗtaa jarribo ngo dow ngo haa ngo timma.
Fotde jarribo tiiɗngo paaspoor e gasket valve damal pneumatik ina foti waɗeede ko adii jarribo tiiɗngo damal ngal.
Laawol jarribo ɓuuɓol valve ustude ɓuuɓol
1Teskuyaaji semmbe valve ustoowo nguleeki ina keewi moofteede caggal teskuyaaji pecce goote, ina waawi kadi jarribeede caggal mooftugol. Duuɓi jarribo semmbe : 1min wonande DN<50mm ; ko ɓuri 2min wonande DN65～150mm; ko ɓuri 3min wonande DN>150mm.
Caggal nde bellol ngol e komponenteeji ɗii njuɓɓinaa, mbaɗee laabi 1,5 e tolno ɓurɗo mawnude e ɓuuɓol ngol, mbaɗee jarribo semmbe e henndu.
2Teskuyaaji ɓuuɓɗi ɗii mbaɗata ko e fawaade e mbaadi gollorndi tigi rigi. So aɗa jarribaa e henndu walla ndiyam, jarribaama e laabi 1,1 tolno nguleeki nominaali ; so aɗa jarriboo e aaludere, huutoroo semmbe gollal ɓurngal heewde aawdi e les nguleeki gollal. Seerndi ɓuuɓol naatirde e ɓuuɓol yaltugol ina ɗaɓɓi nde ustata 0,2MPa. Laawol jarriborgol ngol ko : caggal nde ɓuuɓol naatirde ngol njuɓɓinaa, seeɗa-seeɗa ɓuuɓna ɓuuɓol ɓuuɓol ngol, mbele ɓuuɓol yaltol ngol ina waawa waylude no feewi e jokkondirde e nder njuuteendi tolnooji ɓurɗi mawnude e ɓurɗi famɗude, tawa alaa ko ustata ɗum walla ko jammi. Wonande ɓuuɓol ustoowo nguleeki, so ɓuuɓol naatirde ngol rewnaama woɗɗude, ɓuuɓol ngol uddee caggal nde ɓuuɓol ngol udditaa, ɓuuɓol yaltol ngol ko teddeendi ɓurndi toowde e ɓurndi famɗude. E nder 2min, ɓeydagol nguleeki weeyo ina foti yahdude e sarɗiiji gonɗi e alluwal 4.176-22. E oon sahaa gooto, tuugnorgal caggal valve ina foti wonde Volume ina yahdi e sarziiji zi e alluwal 4.18 ngal ngam waawde ; ngam ustude nguleeki ndiyam e henndu, so nguleeki naatirde ndee toɗɗaama, nguleeki yaltirde ndee wonii zero, valve ustooje nguleeki ɗee ina udditee ngam ƴeewde tiiɗnaare, tawa alaa ko ɓuuɓnata e nder hojomaaji 2 ina waawi.
Laawol jarribo tolno ngam valve globe e valve throttle
Ngam jarribaade semmbe valve globe e valve throttle, valve mooftaazo oo ina heewi waɗeede e nder kaɓirgal jarribo pressure, diski valve oo udditee, medium oo inniree e nafoore toɗɗaande ndee, ɓanndu valve oo e cover valve oo ƴeewtee so tawii ko ɓuuɓri e ɓuuɓri. Test doole ina waawi kadi waɗeede e feccere wootere. Test tiiɗde ko ngam valve udditirɗo tan. E nder jarribo ngoo, ƴiyal valve valve globe ina woni e ngonka tikkere, diski valve oo udditee, medium oo naatnee gila e les ŋorol diski valve oo haa e teddeendi toɗɗaandi ndii, kadi packing e gasket ina ƴeewtee ; caggal nde jarribo ngoo yawti, diski valve oo uddee, jokkere woɗnde ndee udditee ngam ƴeewde so tawii ko ɓuuɓri. So tawii jarribo semmbe e tiiɗnaare valve ina foti waɗeede, jarribo semmbe ina waawi waɗeede ko adii, caggal ɗuum ɓuuɓol ngol ustee e teddeendi jarribo tiiɗngo toɗɗaango ngoo, paaspoor e gasket ƴeewtee ; ndeen disko valve oo uddee, jokkol ngol udditee ngam ƴeewde so tawii nokku ɓuuɓɗo oo ina ɓuuɓtoo.
Laawol jarribo ɓuuɓol valve ballal
Fooyre semmbe ballal pneumatik ina foti waɗeede e nder ngonka feccere udditirde ballal.
1Teskuyaaji ɓuuɓɗi : waɗde valve oo e ngonka feccere udditaare, naatnaa e mbaydi jarribordi ndii e damal gootal, udda damal goɗngal ngal ; wirno balɗe keewɗe, udditaa jokkol udditiingol ngol nde valve oo woni e ngonka udditiika, ƴeewto-ɗaa golle sellugol ngol e packing e gasket e sahaa gooto. Alaa ko foti wonde lekki. Ndeen feere jarriborde ndee naatnaama gila e damal goɗngal ngal, jarribo ngo dow ngoo fuɗɗotoo.
2Fooyre siynude ballal fiɓnde : hade jarribo ngoo, yirlo balɗe ɗee laabi keewɗi tawa jolnaaka, ballal fiɓnde ndee woni ko e ngonka udditiika, tawa kadi ko jarribo ngoo naatata gila e damal gootal haa e teddeendi toɗɗaandi ndii ; golle siifde joofgol naatgol ngol ina ƴeewtee e ƴulɓe, e laaɓal ƴulɓe ko 0 .5 haa 1, njuuteendi ndii ko 1.6 laabi ƴulɓe jarriborde. E nder waktu toɗɗaaɗo oo, so tawii alaa feere depressurization, ina waawi ; caggal ɗuum naatnaa e mbaydi jarribordi ndii gila e damal goɗngal ngal, mbaɗtaa jarribo ngo dow ngo. Ndeen, waɗta valve oo e ngonka feccere udditaare, udda heen jokkere enɗam, ɓuuɓna ɓuuɓri nder ndii e hakkundeere ndee. Ƴeewto packing e gasket les ɓuuɓri jarribordi, alaa e sago ɓuuɓri wooda.
3Valve ballal laabi tati ina foti ƴeewteede ngam ƴeewde so ina tiiɗi e kala nokku.
Waktu posto: 02-02-2022
