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

J7.5N(J8N)

Nominal size NPS: 2 1? ~ 4

Connection mode: internal thread, socket welding, flange
Nominal pressure Class: 300
Pressure difference range bar: 1.0 to 16 1.0 to 25 1.0 to 40
PMA/TMA bar/℃ : 39.8/300
Shell material: WCB


Download J7.5N(J8N)
Features
1. Free float set float, booster lever, valve disc three as one, is the only moving parts in the valve, reliable work, long service life.

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

3. The external manual air exhaust device can start quickly and discharge condensate continuously.

Application: Used for medium pressure steam heating equipment.


選型速查表
Information Request
* Please fill in your email address truthfully, and the product information will be sent to your mailbox
中文字幕久久精品一区二区三区| 久久精品人人做人人爽电影| 欧美18vivode孕妇| 日韩超碰人人爽人人做人人添| 真人一进一出120秒试看| 国产手机在线精品|