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

G20(STLB35)

Nominal size NPS: ? ~ 1?

Connection: butt welding, flange
Nominal pressure Class: 600
Pressure difference range bar: 0.1 ~ 65
PMA/TMA bar/℃ : 67.7/450
Housing material: WCB/F11


Download G20(STLB35)
Features

1. The float drive lever automatically adjusts the opening of the drainage seat hole, and the work is continuous, which can realize the continuous drainage of small volume and large capacity.

2. Good sealing performance, low air leakage rate, significant energy saving effect.

3. External manual air discharge device can prevent air blockage; Built-in labyrinth steam unlocking device to prevent steam lock.

Usage: Mainly used for steam pipe network and steam heating equipment automatic steam drainage.



選型速查表

GGFQ

Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
骚妇内射中岀群交| 一本一道波多野结衣一区| 久久精品aⅴ无码中文字字幕 | 国产亚洲AV片在线观看播放| 护士的小嫩嫩好紧好爽| 中文字幕一区二区三区日韩精品|