1. RauValve Chav Kawm Pob Valve XF83512C txuas nroglos ntawm cov yeeb nkab xov, thaum txhim kho thiab nruj, cov yeeb nkab yuav tsum perpendicular rau qhov kawg ntawm lub cev valve, thiab lub wrench yuav tsum tau wrenched ntawm lub hexagonal lossis octagonal ib feem ntawm tib sab ntawm cov xov, thiab yuav tsum tsis txhob raug wrenched ntawm lub hexagonal lossis octagonal lossis lwm qhov ntawm lub valve ntawm lwm qhov kawg. , Yog li ntawd kom tsis txhob ua rau deformation ntawm lub cev valve lossis cuam tshuam rau qhov qhib;

2. Txhawm rau txuas lub pob valve nrog cov xov sab hauv, qhov ntev ntawm cov xov sab nraud ntawm qhov kawg ntawm cov yeeb nkab yuav tsum tau tswj, kom tsis txhob muaj qhov kawg ntawm cov xov ntawm qhov kawg ntawm cov yeeb nkab ntev dhau, nias rau ntawm qhov kawg ntawm cov xov sab hauv ntawm lub pob valve thaum ntsia hlau, ua rau lub cev valve deformation thiab cuam tshuam rau kev ua haujlwm sealing;

3. Thaum lub pob valve txuas nrog cov yeeb nkab xov txuas nrog cov xov ntawm qhov kawg ntawm cov yeeb nkab, cov xov sab hauv tuaj yeem yog cov yeeb nkab xov tapered lossis cov yeeb nkab xov cylindrical, tab sis cov xov sab nraud yuav tsum yog cov yeeb nkab xov tapered, txwv tsis pub qhov kev sib txuas yuav tsis nruj thiab yuav xau;

4. Thaum txhim kho lub pob valve flange, lub voj voog ntsuas ntawm lub pob valve flange yuav tsum loj ib yam li lub voj voog ntsuas ntawm lub yeeb nkab flange kom phim. Lub hauv paus ntawm lub yeeb nkab ntawm ob qho kawg yuav tsum yog perpendicular rau qhov chaw flange ntawm lub pob valve flange, txwv tsis pub lub cev valve yuav raug ntswj. Deformed.

5. Thaum txhim kho lub pob valve txuas nrog cov yeeb nkab xov, cov khoom siv sealing yuav tsum huv;

6. Thaum txhim kho, xyuas kom tseeb tias tsis muaj dab tsi thaiv hauv qhov qhib thiab kaw ntawm lub pob valve kov, xws li phab ntsa, kav dej, txuas txiv ntoo, thiab lwm yam.

7. Thaum lub tes tuav ntawm lub pob valve sib luag rau lub cev valve, nws qhib, thiab thaum nws ntsug, nws kaw;

8. Qhov nruab nrab ntawm lub pob tooj liab yuav tsum yog roj lossis kua uas tsis muaj cov khoom me me thiab tsis yog corrosive;