5
4
producT descripTion
4.1
general description
The externally controlled valve Type 0262 and 0263 is pneumatically
actuated.
It uses neutral gases or air (control media) to control the flow rate of
media, e.g. water, alcohol, oil, fuel, hydraulic fluid, saline solution,
lye, organic solvent and steam.
4.2 properties
•
Glandless, double spindle seal,
•
Actuator housing made of acid and lye-resistant plastic,
•
High flow values through the stream-lined valve body,
•
Type 0263 has a hermetically sealing diaphragm between the
valve body and actuator.
4.3 device versions
A variant for steam application with PTFE seal is available for Type
0262.
5
sTrucTure and funcTion
5.1
structure
The valve consists of a membrane actuator and a 2-way valve
body.
Control diaphragm
Spring plate
Lip seal
O-ring
Seal
Body
Fig. 1: Structure of Type 0262
english
