S
YSTEM
D
ESCRIPTION
D-09-B-62825-EN-00
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4 System Description
4.1 General
IGEMA drain valves are largely maintenance-free and allow for easy handling. All IGEMA
valves have metal seals; the valve spindle is sealed with a stuffing box packing. The shut-off
valve designs range from a simple shut-off to a double shut-off.
4.2 Function
Hand lever/handwheel rotated clockwise:
valve is
closed
.
Hand lever/handwheel rotated anticlockwise:
valve is
opened
.
Example: AV250
N
OTE
Material damage due to increased torques
Opening and closing the valves with excessive torques leads to leaks and damage.
•
Open and close valves with manual torque.
