国产a精品视频,2020黄片在线免费观看,久久亚洲精品女人黄,亚洲国产一级在线观看在,久久精品毛片免费不卡,免费国产a深夜影院

current location: Home   >> News >> Company news

Top - mounted ball valve features

 1. The integral body design is supported by top-mounted pivot fixation, and the flange structure is designed with the integral pivot fixation cue. The double-block release function is designed with the high-strength integral cue structure.

2. Ensure that the pivot of the ball is accurately positioned using an anti-blowout protection structure with 2 sets of o-rings, plus a fireproof packing structure on the stem.

Effectively prevents leakage and corrosion, the low friction coefficient bearing moves the nylon sealed metal seat toward the ball due to the nickel corrugated spring.

3. Standard nylon and PEEK seats with excellent inlet and outlet sealing performance ensure effective sealing sealant injector design under low pressure.

Retractable seat technology unique to stem or seat sealing with retractable seat sealant in emergency condition.


图木舒克市| 甘孜| 柳林县| 文登市| 报价| 云龙县| 岐山县| 夹江县| 万全县| 富阳市| 六安市| 晋城| 鞍山市| 佛冈县| 外汇| 依兰县| 怀仁县| 荆门市|