Tuxhorn tubra DN 25, Assembly And Operating Instructions Manual

Page: 11 / 28

607.32.09.00
Last updated 2022/03/22
- 4 -
GB
Type A B C D
[mm] [mm] [mm] Connectio
n
DN 25 209 40 45 T 1
DN 32 209 45 50 T1¼
DN 40 300 85 83 T1½
DN 50 285 71 69 T 2
Assembly Function
All above-ground tanks require the installation
of an anti-syphon protection valve
with relief
for safety reasons.
Installation is carried out at the highest point
of the tank, preferably on the dome cover.
The angle check valve is set at the factory to
the lowest anti-syphon protection value (1.5
m).
The value to be set on site results from the
following difference:
Height of the max. liquid level in the tank -
Height of the lowest point of the suction line.
After unscrewing the upper hood [2], the
adjustment screw [3] for regulating the spring
force becomes visible. To adjust the anti-
syphon protection, loosen the grub screw [5]
screwed into the side.
Turning the adjusting screw on the square
clockwise increases the spring tension and
thus the height of the anti-syphon protection.
The adjustment is made as shown in the
diagram. For simplification, markings for 1.5 m
- 2.0 m - 2.5 m - 3.0 m anti-syphon protection
are attached to the spindle.
After adjustment, the grub screw must be
tightened again and the protective hood fitted.
in
out