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

G20(STLB35)

Nominal size NPS: ? ~ 1?

Connection: butt welding, flange
Nominal pressure Class: 600
Pressure difference range bar: 0.1 ~ 65
PMA/TMA bar/℃ : 67.7/450
Housing material: WCB/F11


Download G20(STLB35)
Features

1. The float drive lever automatically adjusts the opening of the drainage seat hole, and the work is continuous, which can realize the continuous drainage of small volume and large capacity.

2. Good sealing performance, low air leakage rate, significant energy saving effect.

3. External manual air discharge device can prevent air blockage; Built-in labyrinth steam unlocking device to prevent steam lock.

Usage: Mainly used for steam pipe network and steam heating equipment automatic steam drainage.



選型速查表

GGFQ

Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
天天摸天天摸天天天天看| 精品无码久久久久久久久| 私人毛片免费高清影视院| 欧美A成人片在线观看| 亚洲最大AV一区二区三区| 亚洲欲色欲WWW怡红院|