久久伊人色av天堂九九小黄鸭,97久久久亚洲综合久久88,国产精品麻豆91天堂,久久久久久国产精选av香蕉,精品久久久久久久国产,久久久久久久激情五月天,精品久久久久久97人妻九o,丰满少妇一区二区三区在线播放,91九色国产视频蝌蚪

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