Select seamless steel pipe, welding form, firm construction, reliable seal, guarantees no leakage, carbon filled PTFE, suitable for pressure under 4.0Mpa, and temperature -40℃-250℃. The valve is in unique design, novelty construction, light weight, high performance, safety and reliable. The disc spring behind the seat ensures excellent seal between ball and seat, in the mean time, it compensate the abrasion between the seat and the ball, thus, makes the seal more durable, and more reliable, reaches zero leakage. Applicable medium: water, oil, gas, it is perfect for gas pipe line. Connection: flange, welding, screwed, stem extension optional.
| Design standard | DIN EN12516-1 |
| Face to face | DIN EN 558-1: 1995 DIN EN 12982:2000 |
| Flange end | DIN EN 1092-1:2002 |
| Butt-welding ends | DIN EN 12627:1999 |
| Test & Inspection | DIN EN 12266-1 |
