Version: - Diaphragm actuator Travel: - 29 mm / 54 mm Opening angle: - 0°... 90° (for VETEC valves 75°) Spring position: - Centrally arranged spring Diaphragm area: - 160 to 320 cm2 Ambient temperature range: - -35 to 90 °C / -31 to 194 °F Mounting of accessories: - VDI/VDE 3845 Principle of operation: The Type S Actuator is equipped with a diaphragm and one or more centrally arranged return springs on the inside. The freely supported piston rod is directly connected to the lever for the valve shaft. Its design allows the actuator to be used with different opening angles. The actuator can be equipped with additional manual gears as well as end stops. VETEC Ventiltechnik GmbH

Table 1: Technical data

Attachment type A Fail-close Attachment type A Fail-open Attachment type B Fail-close Attachment type B Fail-open Attachment type C Fail-close Attachment type C Fail-open Attachment type D Fail-close Attachment type D Fail-open VETEC Ventiltechnik GmbH Siemensstraße 12 · 67346 Speyer Telefon: 06232 6412-0 · Fax: 06232 42479 · E-mail: [email protected] · Internet: www.vetec.de