Cov Hluav Taws Kub Hluav Taws Xob Grooved Npauj Npaim Valve nrog Tamper Hloov yog lub valve zoo thiab txhim khu kev qha tsim tshwj xeeb rau kev tiv thaiv hluav taws. Lub valve no tau nruab nrog qhov hloov pauv tamper, uas muab cov txheej txheem ntxiv ntawm kev ruaj ntseg los ntawm kev txheeb xyuas cov kev nkag mus tsis raug cai lossis cuam tshuam.