3. Kuderedza kudzvinyiriravharafupressure test method

① Muedzo wesimba wevhavha yekudzikisira yekumanikidza inowanzounganidzwa mushure mebvunzo imwe chete, uye inogona zvakare kuunganidzwa mushure mebvunzo. Nguva yekuedzwa kwesimba: 1min neDN <50mm; DN65 ~ 150mm kureba kupfuura 2min; Kana iyo DN yakakura kudarika 150mm, yakareba kudarika maminitsi matatu. Mushure mekunge mabhero aiswa kune zvikamu, 1.5 nguva iyo yakanyanya kudzvinyirira mushure mekuvhara kwevhavhavha yakashandiswa, uye kuedza kwesimba kunoitwa nemhepo.
② Muedzo wekusimba unoitwa zvinoenderana neiyo chaiyo yekushanda svikiro. Paunenge uchiyedza nemhepo kana mvura, bvunzo inoitwa pa1.1 nguva yekumanikidza kwezita; Paunenge uchiyedza nemhepo, inoitwa padanho repamusoro rinobvumidzwa rekushanda pane tembiricha yekushandisa. Musiyano uripo pakati pekumanikidza kupinza uye yekubuda pressure haifanire kunge iri pasi pe0.2MPa. Nzira yekuedza ndeyotevera: mushure mokunge inlet pressure yakagadziriswa, iyo yekugadziridza screw yevhavha inogadziriswa zvishoma nezvishoma kuitira kuti kubuda kwemhepo kugone kuve nehanya uye kuenderera mberi kuchinjwa mukati mehupamhi uye hushoma kukosha kwehuwandu, pasina kumira uye kuvhara. Kune iyo steam pressure yekudzikisa valve, kana iyo inlet pressure yabviswa, vharafu inovharwa uye ipapo vharafu inogurwa, uye iyo yekubuda pressure ndiyo yakakwirira uye yakaderera kukosha. Mukati maminetsi maviri, kuonga kwekumanikidzwa kwekubuda kunofanirwa kuenderana nezvinodiwa. Kune mvura uye mhepo yekudzikisa mavharuvhu, kana inlet kudzvanywa ichigadziriswa uye yekubuda kudzvanywa iri zero, iyo yekumanikidza yekudzikisa vharafu yakavharwa yekuisa chisimbiso bvunzo, uye hapana kuvuza mukati me2 maminetsi inokodzera.

4. Butterfly valvepressure test method

Kuedzwa kwesimba kwevharuvhu yepneumatic butterfly kwakafanana neiyo yevharuvhu yepasi. Chisimbiso chekushanda kwechisimbiso chevhavhavhavhavhavha chinofanirwa kuunza svikiro rekuedza kubva kumagumo ekupinda, ndiro ye butterfly inofanira kuvhurwa, imwe mugumo inofanira kuvharwa, uye jekiseni rejekiseni rinofanira kusvika pakukosha kwakatarwa; Mushure mekutarisa kuti hapana kuvuza mukurongedza uye zvimwe zvisimbiso, vhara ndiro ye butterfly, vhura imwe magumo, uye tarisa kuti hapana kuvuza mu butterfly plate chisimbiso. Butterfly mavharuvhu anoshandiswa kudzora kuyerera haaite yekuisa chisimbiso bvunzo dzekuita.

5.Plug valvepressure test method
① Kana iyo plug valve ichiyedzwa simba, yepakati inounzwa kubva kune imwe mugumo, imwe nzira yakavharwa, uye plug inotenderedzwa ichienda kunoshanda yakazaruka nzvimbo yekuyedza, uye muviri wevharuvhu hauwanikwe uchidonha.
② Muchisimbiso chekuisa chisimbiso, jongwe rakarurama-kuburikidza rinofanira kuchengetedza kumanikidzika mumhango yakaenzana nemugwagwa, shandura ipulagi kusvika panzvimbo yakavharwa, tarisa kubva kune imwe mugumo, uye wozotenderera ipulagi 180 ° kudzokorora muedzo uri pamusoro; Iyo nzira nhatu kana ina-nzira plug valve inofanirwa kuchengetedza kudzvanywa mukati megomba yakaenzana kune imwe magumo enzira, kutenderedza plug kune yakavharwa chinzvimbo, kuunza kudzvanywa kubva kurudyi kweAngle kumagumo, uye tarisa imwe magumo pa. nguva imwe chete.
Pamberi pekuyedzwa kwevharuvhu yeplug, inotenderwa kuisa musara weiyo isiri-acidic dilute lubricating oiri panzvimbo yekuisa chisimbiso, uye hapana kuvuza uye madonhwe emvura akawedzerwa anowanikwa mukati menguva yakatarwa. Nguva yekuyedza yevhavhavhavha inogona kupfupika, kazhinji inotsanangurwa se l ~ 3min maererano nedhayamita yezita.
Iyo plug valve yegesi inofanirwa kuongororwa kusimba kwemhepo pa1.25 nguva yekushanda.

6.Diaphragm valvepressure test method

Iyo diaphragm valve simba bvunzo inosuma yepakati kubva kune chero kumagumo, inovhura iyo valve disc, uye inovhara imwe magumo. Mushure mekunge muedzo wekuedza uchikwira kune kukosha kwakatarwa, inokwanisa kuona kuti muviri wevhavha uye chivharo chevhavha haina kubuda. Wobva wadzikisa kudzvanywa kune tightness test pressure, vhara vharuvhu disc, vhura imwe magumo kuti iongororwe, hapana kuvuza kunokodzera.

7.Stop valveuyethrottle valvepressure test method
Muedzo wesimba wevharuvhu yeglobe uye throttle vharuvhu inowanzoisa vharafu yakaungana muyedzo yekumanikidza, vhura dhisiki revharuvha, jekiseni yepakati kusvika kune yakakosha kukosha, uye tarisa kana muviri wevharuvhu nevharuvhu chivharo chiri kudikitira uye kubuda. Kuedza kwesimba kunogonawo kuitwa mumwe nemumwe. The tightness test ndeyekumira valve chete. Munguva yekuedzwa, tsinde yevhavha yekumira iri munzvimbo yakamira, dhisiki yevhavha inovhurwa, iyo yepakati inotangwa kubva kumucheto kwepasi kwevhavha disc kusvika kune yakataurwa kukosha, uye kurongedza uye gasket zvinotariswa. Kana wakwanisa, vhara dhisiki yevharuvhu uye vhura imwe magumo kuti uone kana paine kuvuza. Kana iyo yevhavha yesimba uye tightness bvunzo zvichizoitwa, kuyedza kwesimba kunogona kuitwa kutanga, uye ipapo kudzvanywa kunoderedzwa kusvika kune yakatarwa kukosha kweiyo tightness test, uye kurongedza uye gasket zvinotariswa. Wobva wavhara dhisiki yevharuvhu, vhura iyo yekubuda nayo kuti utarise kana iyo yekuvharisa pamusoro pekudonha.