Types of outlets for Jacketed Flasks

Ustrial Valve J (linear closing)Laboratory Valve LSpherical 

The industrial valve is a dead volume free PTFE spindle valve with sloped outlet. The spindle shall be pressed in without turning. In the valve housing is an additional spring mounted in. So the spring pressure of the spindle to the valve seat can be increased spring loaded and the spindle regulates herself. This guarantees a good tightness at large variations of temperature. The industrial valve is available with a 10mm bore-hole (standard) and as desired with a 20 mm bore-hole.

The Laboratory valve is a dead volume free PTFE spindle valve with a spindle being pressed in while turning. The valve has a 10 mm bore-hole.According to DIN 12224 (Part1)