Butterfly valves

For shut-off and regulating in exhaust air and process-gas systems and plants.

Type DITZLER 4000

Type DITZLER 4050

Type DITZLER 4050/2

Type DITZLER 4100

Shut-off and control butterfly valve. With profile sealing;
minimal leakage rate. Up to 100°C

Shut-off and control butterfly valve. With stop face,
not providing a hermetic seal - leakage rate < 1%. Up to 900°C

Double shut-off butterfly valve. With stop face,
100% tightness with sealing air. Up to 900°C

Shut-off and control butterfly valve. With the special
pressure-vacuum sealing system, 100% tightness. 180°C

Body / disc thermoplastics:

PP - PE - PVDF
steel, stainless steel and nickel based alloys:
e.g. S235JRG2 (RST37-2), P265GH (HII), 1.4404 / 1.4435 (ASTM 316L), 1.4571 (ASTM 316Ti), 1.4539, Hastelloy C22, Alloy 59 (DIN 2.4605)
fibre reinforced plastic (FRP)
e.g. Derakane Momentum 470 / 300

Lining material: