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(kāi)

GSB1

Nominal size DN: 15~20, 25

Connection: flange

Nominal pressure PN: PN25

Differential pressure range MPa: 0.01~1.6

PMA/TMA  PMa/℃: 1.7/260

Housing Material: WCB

Download GSB1
Features

1. The amplification device of the float lever saves effort to open and close the valve, and can control its opening, which can realize continuous drainage with small volume and large capacity.

2. Good sealing performance, low air leakage rate and good energy-saving effect.

3. External manual air exhaust device, quick start, no air blockage.

4. The back pressure rate is greater than 80%, which is convenient for condensate water recovery.

5. Vertical installation, the medium flow direction is up in and down out.

Uses: It is suitable for automatic gas blocking and drainage of steam pipe network and steam heating equipment.

Selection cheat sheet

GGFQ

Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
国产亚AV手机在线观看| 粗大的内捧猛烈进出小视频| 人妻丰满熟妞AV无码区| 国语对白做受XXXXX在线| 无码人妻21P| 中文天堂最新版|