APPLICABLE Mainly for the steel, metallurgy, oil refining and other industries dedicated oxygen pipeline. Standards compliance 1.Face to face: GB/ T12221 2.Test and inspection: JB/ T9092 Temperature: ....
The company was established in 1985, it located at the first " China valve city" Long wan District in WenZhou. It is a Technological modernization enterprise with valveâ € ™ s design, manufacture, ....
Standards 1. Design end: GB/ T12238 2. Face to face: GB/ T15188.2 3. Test end: GB/ T13927 Temperature:  ¡ à œ 120 ¡ à ¦ Nominal pressure: 10-16 Size:  £  ¨ 50-300 £  © mm Medium: water, water, air, steam, gas, ....