内地三级在线观看,久久精品国产久精国产,好大好硬好深好爽想要AV,中文字幕乱码久久午夜

展開

ESH25(ESH8N、ESH21)

Nominal size: 15~25, 15~50

Connection: internal thread, socket weld, flange

Nominal pressure PN: 63

Differential pressure range MPa: 0.01~4.5

PMA/TMA  PMa/℃: 4.7/371

Housing Material: WCB

Download ESH25(ESH8N、ESH21)
Features

1. Advanced SCCV shut-off system, valve core, bracket and specially designed lever are matched. The spool is "free-floating" inside the bracket, avoiding rigid collisions when closing.

2. Effectively conserve energy, there is a water seal and lifting mechanism inside the bucket, so there is no steam leakage.

3. The top of the bucket is equipped with an overflow exhaust hole, which can effectively prevent steam gas lock and air blockage (non-condensable high-temperature air can also be excluded).

4. It can withstand high back pressure, resist water hammer, and is easy to maintain and repair online.

Application: It is suitable for medium and high pressure and medium and low flow steam pipeline heating equipment.

Selection cheat sheet

ES

Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
欧美日韩一区二区三区视频播放 | 我想把我的乌龟蹭你的扇贝视频| 亚洲VA中文字幕无码久久不卡| 亚洲国产精品久久人人爱| 人人澡人人妻人人爽人人蜜桃麻豆| 麻花豆剧国产MV在视频播放|