5, npauj npaim valve yuav tsum tau qhuav ua ntej kev teeb tsa, tsis qhib cia
6, kev teeb tsa npauj npaim valve los xyuas cov raj xa dej ua ntej, kom ntseeg tau tias cov kav dej tsis muaj vuam slag thiab lwm yam txawv teb chaws.
7, npauj npaim valve lub cev phau ntawv qhib thiab kaw tsis kam nruab nrab, npauj npaim valve torque phim rau qhov xaiv actuator torque.
8, npauj npaim valve flange kev twb kev txuas nrog qhov tseeb specifications, yeeb nkab clamp flange thiab npauj npaim valve flange txheem. Nws raug nquahu kom siv flange tshwj xeeb rau npauj npaim valve, tsis pub plam-on vuam flange.
