Oras DN 15 Manual page 3

I n s t a l l a t i o n
Install the valve at zero tension and in
accordance with the flow direction indicated.
Turn the spring cap so that the pressure
indicator (1) can be read easily. This procedure
can be performed whether or not the system is
under pressure.
Adjusting secondary pressure
The secondary pressure setting is modified as
f o l l o w s :
Loosen the cap's (3) locking screw (2). Turn the
cap counter-clockwise (-) to lower secondary
pressure and clockwise (+) to raise it. The
valve's secondary pressure is factory preset at
400 kPa.
Servicing
Close the stop valves ahead and after the
standard pressure valve. Undo the locking
screw and detach the cartridge. Use only cold
water to clean the cartridge and filter.
1
4 3
2
+
-
4 3
4 3
3