Lub flat drve yog lub valve teb nyob rau hauv cov duab ntawm cov tswv cuab kaw lossis plunger. Los ntawm kev sib hloov 90 degrees, channel chaw nres nkoj ntawm lub valve ntsaws yog tib yam li lossis sib cais los ntawm channel chaw nres nkoj, yog li kom paub qhov qhib lossis kaw ntawm lub valve. Cov duab o ...
Plug Valve VS pob VAL VALVE: Cov ntawv thov & siv cov kab mob txaus, lub pob hluav taws xob thiab plug li qub yog ob qho tib si siv ntau yam ntawm cov raj raj. Nrog rau tag nrho-chaw nres nkoj tsim uas ua rau cov xov xwm tsis muaj kev cuam tshuam tau ntws, ntsaws li qub yog ...