ISO 7241-1 SERIES B, internationally the most common profile for this nominal diameter, in double shut-off design. Above average flow performance for liquid gaseous media.
Advantages
Single handed operation
Reliable design
Working Temperature (Depending on Medium):
-20°C to +100°C (NBR)
-40°C to +130°C (EPDM)
-15°C to +200°C (Viton)