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

A40S

Nominal size NPS: ? ? 1 ~ 1? 2

Connection: internal thread socket welding flange
Nominal pressure Class: 300
Pressure difference range bar: 0.3 ~ 40
PMA/TMA bar/℃ : 39.8/300
Shell material: A105



Download A40S
Features

1. Hardened stainless steel and high precision grinding work surface to ensure good steam sealing.

2. The valve seat drainage hole is set to three holes, which makes the operation more stable and the valve seat wear less.

3. The air jacket reduces the phenomenon of empty punching.

4.Built-in filter, easy to clean.

5. The valve seat and disk can be replaced online for easy maintenance.

Uses: Widely used in petroleum, chemical industry, metallurgy, rubber, paper making, printing and dyeing and other high pressure steam main, tracing pipeline and small heating equipment.



選型速查表

RDL

Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
日韩免费视频| 狠狠色丁香久久婷婷综合蜜芽五月| WWW国产精品内射老熟女| 97久久人人超碰国产精品| 午夜尤物禁止18点击进入| 在线欧美精品一区二区三区|