Preaction Valves Rau Kev Tiv Thaiv Hluav Taws

Preaction li qub yog ib qho tseem ceeb ntawm txhua qhov kev tiv thaiv hluav taws. Cov li qub no yog tsim los tiv thaiv kev ceeb toom cuav thiab txo cov dej puas thaum muaj hluav taws. Preaction li qub tau teeb tsa hauv thaj chaw uas dej puas yuav tsum tau txo qis, xws li cov chaw khaws ntaub ntawv, tsev cia puav pheej, thiab tsev kho mob.
Preaction li qub yog tsim los ua haujlwm nrog rau lwm yam khoom siv tiv thaiv hluav taws, xws li lub taub hau thiab lub tswb. Cov li qub no feem ntau yog ntsia rau hauv cov khoom siv tseem ceeb thiab tau qhib los ntawm cov pa luam yeeb lossis lub ntsuas cua sov, lossis los ntawm kev tuav haujlwm.
Thaum kuaj pom hluav taws, lub preaction valve qhib thiab dej tso rau hauv cov kav dej. Txawm li cas los xij, dej tsis tau tso rau hauv lub tsev kom txog thaum lub taub hau lub taub dej qhib. Qhov no tiv thaiv kev puas tsuaj ntawm dej los ntawm qhov tshwm sim tshwj tsis yog tias muaj hluav taws tiag tiag. Preaction li qub kuj tseem muab kev ruaj ntseg ntxiv, vim lawv tiv thaiv cov dej los ntawm kev tso tawm thaum lub kaw lus raug ua txhaum cai lossis cuam tshuam nrog.
Zuag qhia tag nrho, preaction li qub yog ib qho tseem ceeb ntawm txhua qhov kev tiv thaiv hluav taws. Lawv tau tsim los ua haujlwm ua ke nrog lwm cov khoom tiv thaiv hluav taws kom txo cov dej puas tsuaj thiab xyuas kom cov hluav taws tua tau sai. Thaum siv kom raug, cov khoom siv preaction tuaj yeem muab kev nyab xeeb ntxiv thiab kev thaj yeeb ntawm lub siab rau cov tswv tsev thiab cov neeg nyob ib leeg.