A.R.I. DG 101 EN - Manual

MAINTENANCE INSTRUCTIONS
COMBINATION AIR VALVE
BARAK, MODEL DG-10 1”
GENERAL INSTRUCTIONS
Routine service is an integral part of the standard
procedure for maintenance of a water supply system.
Recommended routine maintenance– once or twice a year, according to the quality and
type of the fluids in the system.
PROCEDURE
Close the service valve under the valve base before servicing.
Turn the valve body (1) counterclockwise, release and remove.
From inside the valve body (1), remove the clamping stem (4) and carefully pull out
the float (5) with the attached rolling seal (3).
Check the soundness of the rolling seal (3) by washing it with water and examining
it. Replace the rolling seal in case it is torn.
Wash the body (1) and the float (5) with clean water and examine it for damage.
Replace the float (5) if it is damaged.
Clean the drainage elbow (2) to remove insects and debris.
Return the float (5) with the attached rolling seal (3) to its original position in the
valve body (1) and lock them into place with the clamping stem (4).
Return the valve body (1) to the base (7) and close by turning it clockwise, making
sure that the O-ring (6) is situated in its place in the base of the valve (7).
Remember to open the service valve after the servicing.
PARTS SPECIFICATION
NO. DESCRIPTION MATERIAL
1. Body Reinforced Nylon
2. Drainage Elbow Polypropylene
3. Rolling Seal E.P.D.M.
4. Clamping Stem Reinforced Nylon
5. Float Foamed Polypropylene
6. O-ring Buna-n
7. Base Reinforced Nylon / Brass
5
4
3
2
1
6
7