GF 157 Bedienungsanleitung Seite 4

Instruction Manual Type 157
Observance of these installation and operating instructions is absolutely
essential. Similarly, the actual operating conditions must be considered
and the performance data of the device must be complied with in accor-
dance with the data sheet. This must be guaranteed by the user and is a
prerequisite for the correct function and long service life of the device.
Construction
Direct-acting solenoid valve with female thread. Circuit functions A and
B (see symbols).
Medium
Neutral or aggressive gases and liquids subject to compatibility with
body material and the seal material selected. The seal materials is
coded after the orifice size on valve label (A=EPDM, C=Kalrez, E=PTFE,
F=FPM). Pressure range as quoted on valve label.
Function
Typ 157
The technical data are not binding. They are not warranted characteristics and are
subject to change. Please consult our General Conditions of Supply.
Function A
normally closed (NC)