Zoo tau zoo los pib; Tuam txhab yog foremost; Kev lag luam me yog kev sib koom tes "yog peb txoj kev lag luam nquag nrog cov neeg siv khoom ntawm America Flanged lub cev, Africa, Qab teb Asmeskas Tebchaws Asmeskas, deb tshaj 60 lub teb chaws thiab cheeb tsam. Zoo tau zoo los pib; Tuam txhab yog foremost; Tsheb npav me ...
Cov lus piav qhia: DL series flanged concentric npauj npaim valve yog nrog centric disc thiab muaj tag nrho cov yam ntxwv ntawm lub cev thiab zoo dua tsis kam ntawm lub cev thiab zoo dua rau cov yeeb nkab kom zoo li kev nyab xeeb raws li kev nyab xeeb. Muaj tag nrho cov yam ntxwv ntawm cov kev tsis sib xws, cov li qub no tau nthuav tawm los ntawm lub zog siab dua ntawm lub cev thiab zoo dua tsis kam rau cov yeeb nkab kom muaj kev ceev ntawv li kev ceev nyiaj ...