page 29 of 91 USB-QFLCII-14804/0
4.1.1 Inspection lid
Inspection lid
The inlet isolation device is equipped with an inspection lid for cleaning, mainten
ance
and inspection functions. The lid must not be opened during operation and when
there is a risk of an
explosion.
Inspection
lid
Flap stopper
Inspection
lids for sizes
DN 630 and
larger
Q-FlapCompact II/Plus sizes DN 630 and larger are equipped with an additional maintenance
safety latch, latch pin, as well as two gas-pressurized springs to accommodate the heavier
inspection lids.
The maintenance safety latch is attached to the inspection lid and pivots upwards
during opening. The latch pin snaps into the maintenance safety latch in the open
position, so the inspection lid is fixed and stays open.
The gas-pressurized springs are attached on each side of the inspection lid.
4.1.2 Q-FlapCompact II/Plus locking mechanism
The Q-FlapCompact II/Plus has a locking mechanism on every model. This
locking mechanism consists of a locking unit with an electromagnetic
locking pin and a locking lever. See also Section 12.1 Q-FlapCompact II/
Plus inlet isolation device sequence of operation with REMBE
®
monitoring
panel.
Shaft
Flap
Locking lever
G
as spring lift assist
Maintenance safety
latch for sizes DN 630
and larger
Latch pi
n
locking pin
locks
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