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

ER415(ER416)

Nominal size DN: 15~50

Connection: socket welding, flange

Nominal pressure PN: 100

Differential pressure range MPa: 0.05~6.5, 0.05~6.9

PMA/TMA  PMa/℃: 7.2/480

Case material: 15CrM

Download ER415(ER416)
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 open float is resistant to water hammer, preventing steam locking and air blockage.

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

Application: It is suitable for medium pressure, superheated steam and equipment that produces a large amount of condensate for heating

Selection cheat sheet

ER

Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
亚洲国产AV玩弄放荡人妇系列| 欧美亚洲国产日韩一区二区| FREE性丰满HD毛多多| 亚洲一本到无码AV中文字幕| 精品久久久久久亚洲中文字幕| 无码高潮喷吹在线观看|