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

ESH411

Nominal size NPS: ? ~ 1 ? ~ 2

Connection: socket welding, flange
Nominal pressure Class: 600
Pressure difference range bar: 0.1 to 25 0.1 to 45
PMA/TMA bar/℃ : 51.5/500
Shell material: F11


Download ESH411
Features
1. Movable hardened spherical seal, no concentrated wear, high reliability, long service life.

2. With continuous air discharge capacity, no air blockage.

3. Install it vertically, from bottom to top.

4. Built-in stainless steel check valve, can be used for superheated steam, and no steam leakage.

5. All the inner parts are on the top of the valve cover, which can effectively avoid the interference of debris.

Uses: Used for superheating, medium pressure steam main and heating equipment.


選型速查表
Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
乱中年女人伦AV三区| 人妻无码久久一区二区三区免费| 男人把女人桶的直叫爽动态图| 国内精品久久久久久久97牛牛| 亚洲国产精华液网站W| 久久人人做人人妻人人玩精品VA|