This sort of section valve group offers a safe and long-life type of ball valves. The Series 453 from ARAG is a absolute professional solution and has the advantage of a toolless assembly with T6-Connectors. The yield quantity is attached at 290 l/min per ventil at 0,5 bar. The drive of this valve unit takes place over 12 Volt. The ball and the pivot are made of high-grade steek and they are absolute chemical-resistant. The seals are made of Viton®. The connection with T6 has the dimension 1 1/2".
Additional fittings for T-fork-coupling see here !
