国产国产人免费人成免费视频,亚洲 卡通 欧美 制服 中文,又硬又粗进去好爽免费,亚洲日韩aⅴ在线视频

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.


民和| 云南省| 临西县| 东乡县| 随州市| 金华市| 山阴县| 湟中县| 甘德县| 博爱县| 沁源县| 若尔盖县| 台山市| 海林市| 阳东县| 阿瓦提县| 辛集市| 祁门县| 来凤县| 嵩明县| 巨鹿县| 扎鲁特旗| 壤塘县| 师宗县| 河东区| 瓦房店市| 洪雅县| 莫力| 商河县| 南岸区| 景东| 金华市| 龙海市| 高清| 大方县| 白水县| 华宁县| 伊金霍洛旗| 兴安盟| 合阳县| 易门县|