GUTH（古斯）气动蝶阀技术要点如下:

Butterfly valves
classic shut-off valve
wide range of sizes （DN 10-150, O.D. tube ?\"-6\"）
extensive line of actuators and accessories, easy to assemble
low-wear seals in different materials, hermetically sealed
and with high pressure resistance
actuators of different sizes, single or double acting
with control head （protection class IP 65） as option
wide choice of pipe connections
Mixproof butterfly valves
a safe way to separate incompatible media
in CIP or tank systems
leakage indication in case of defective seal
leakage chamber with flushing connections
mechanical forced actuation between valve discs
and leakage valves
manually or pneumatically actuated
Multi-way butterfly valves
choice of 2-/3-way design or switching combination
with mechanical or pneumatic single actuators
or mechanically coupled with rod assembly