Lub qhov (socket) weld flange yog hais txog flange uas tau ntxig rau hauv lub nplhaib flange kawg ntawm qhov kawg ntawm cov yeeb nkab thiab welded ntawm cov yeeb nkab kawg thiab sab nraud. Feem ntau siv rau hauv cov raj xa dej nrog PN≤10.0MPa thiab DN≤40.
Daim ntaub ntawv: Boiler siab txog ntsha, roj av, tshuaj lom neeg, txua nkoj tsim, chaw tsim tshuaj, khoom siv hlau, tshuab, stamping luj tshib zaub mov, thiab lwm yam.