欧美嫩妞精品免费播放_超碰AV电影在线观看_亚洲av成人婷婷无码_亚洲福利桃色在线观看

Feature:
This valve pressure range, sensitive, fast and reliable, high temperature, safe.

Parameters:
1, Media types: Steam, Water, Oil, Steam
2, Working pressure: 0-6.4Mpa
3, Medium temperature: 0-400℃
4, Nominal diameter: 15-50mm
5, Connection: Flange