One-piece body, tight-closing, centric disc
Design for mounting between flanges according to DIN EN 1092-1 or ASME B16.5
Face-to-face length according to DIN EN 558-1-R20.
Leakage rate A according to DIN EN 12266-1.
For all gases according to DVGW worksheet G 260
Safety shut-off valve according to EN161 class A (closing time < 1s)