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

GH7

Nominal size NPS: 3 ~ 5

Connection mode: flange
Nominal pressure Class: 150
Pressure difference range bar: 0.1 to 12
PMA/TMA bar/℃ : 12.1/250
Shell material: WCB/A105



Download GH7
Features

1. Balanced double seat design, small volume and large displacement compared with similar traps. Built-in bimetal automatic air discharge valve to prevent air clogging.

2. All components are installed on the valve cover, and the valve does not need to be removed from the pipe, which can be easily repaired and maintained.

Application: Widely used in petroleum, chemical, metallurgy, electric power, food, medicine and other industries steam heating equipment.



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
18禁又污又黄又爽的网站不卡| 久久人妻内射无码一区三区| 色多多A级毛片免费看| 欧美成AⅤ人高清免费观看| 少妇被又大又粗又爽毛片久久黑人| 夜夜偷天天爽夜夜爱|