女子校生下媚药在线观看,国产成人久久AV免费高潮,成年美女黄网站色大免费全看,2017男人天堂手机在线,呻吟国产AV久久一区二区
EN
首頁 - 產(chǎn)品 - 閥門 - 球閥 - 低溫球閥 - GRV
GRV

BACTF/BACSF/BACTT/BACST

型    號：BACTF/BACSF/BACTT/BACST
品牌：GRV

Full Bore, high flow capacity and tight shut-off Low torque and smooth operation Excellent seat and seal design,minimum leakage High safety and long service life Anti-Static design Fireproof design according to API607 Automatic pressure relief Minimum thermal expansion

立即咨詢
-全通徑，高流量和緊密關(guān)閉
-低扭矩，操作穩(wěn)定
-優(yōu)良的閥座和密封設(shè)計(jì)，泄漏量最小
-安全性高，使用壽命長
-防靜電設(shè)計(jì)
-按照API607要求的防火設(shè)計(jì)
-自動泄壓
-最小熱膨脹
?