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

S21

Nominal size DN: 15 ~ 20 25 15 ~ 25 32 ~ 50

Connection mode: internal thread flange
Nominal pressure PN: PN25
The pressure difference ranges from 0.03 to 1.6 MPa
PMA/TMA PMa/℃ : 1.7/260
Shell material: A105

Download S21
Features
1. Steam insulation structure design, not affected by the environment, more reliable work.

2. The shell is made of bar material, without any casting defects.

3 Installation in any direction can work effectively.

Uses: Used in low pressure steam tracing pipeline and small 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
国产精品任我爽爆在线播放 | 无码成人片一区二区三区| 秋霞无码一区二区| 永久AV狼友网站在线观看| 免费无码专区毛片高潮喷水| 成人免费一区二区三区视频软件|