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

ER25(ER28)

Nominal size: 15~25, 15~50

Connection: socket welding, flange

Nominal pressure PN: PN40, PN100

Differential pressure range MPa: 0.05~2.5, 0.05~6.5, 0.05~8.0

PMA/TMA  PMa/℃: 2.6/399、6.5/399、6.5/427、8.42/450

Housing material: 15CrMo, WCB, WC

Download ER25(ER28)
Features

1. It is equipped with a double valve seat differential pressure mechanism and SCCV closing system, which has reliable action and large displacement.

2. The valve is always in a water-sealed state to prevent steam leakage.

3. The bell-shaped float resists water hammer, prevents steam lock-up and air blockage.

4. Able to withstand high back pressure (back pressure rate up to 90%).

Uses: It is suitable for medium and low pressure and production of large quantities of condensate heating equipment.

Selection cheat sheet

ER

Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
免 费 黄 色 网 站 成 人| 国产AV一区二区精品久久| 国产精品资源一区二区| 欧美成人精品A∨在线观看| 在线观看亚洲AV每日更新| 成 人 动 漫无码欧美3D|