Type G3K Ball seats: from DN4 up to DN 25 Orings: NBR,

Gemels Type GKH Ball seats: from DN13 up to DN 50 Orings:

Gemels Type GE2, G3V Body: block Material: 1,0737 Ball seats: from DN4

Ball Valve Type GBS, GBC, GBS, and GBR Material: 1,0570 / 1,0737