Qhov no Maas lo silo npauj npaim valve muaj peev xwm nqa av nkos thiab khaws cov nyiaj tsawg kawg ntawm cov yeeb nkab. Piv nrog dog dig valve ntawm kev ua lag luam, nws tau nruab nrog zoo heev los ntawm-pas nrig. Tom qab quenching thiab tempering kev kho mob, nws muaj cov khoom siv tshuab hluav taws xob, corrosion tsis kam thiab khawb tiv taus, yog li paub txog kev ua haujlwm nrawm.
Cim npe nrov: Npauj Npaim Npauj Npaim Valve, Npauj Npaim Valve