MAINTENANCE INSTRUCTIONS
COMBINATION AIR VALVE
BARAK, MODEL D-040-C 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 uids in the system.
PROCEDURE
1. Close the service valve under the valve base before servicing.
2. Unscrew and remove the metal shell assembly (1-6) from the base (8) by turning
the metal shell (2) counterclockwise with the aid of a belt wrench.
3. Remove the clamping stem (5) from inside the valve body (1) and carefully
pull out the oat (6) with the attached rolling seal (3).
4. Check the soundness of the rolling seal (3) by washing it with water and
examining it. Note: Replace the rolling seal (3) in case it is torn.
5. Wash the body (1) and the oat (6) with clean water and examine for damage.
Note: Replace the oat (6) if it is damaged.
6. Clean the discharge elbow (4) to remove insects and debris.
7. Return the oat (6) with the attached rolling seal (3) to its original position in
the valve body (1) and lock them into place with the clamping stem (5).
8. Return the metal shell assembly (1-6) to the base (8) and close by turning it
clockwise. Note: First make sure the O-ring (7) is seated properly in the base of
the valve (8).
9. Remember to open the service valve after the servicing.
PARTS SPECIFICATION
NO. DESCRIPTION MATERIAL
1. Metal Shell Cast Iron
2. Valve Body Reinforced Nylon
3. Rolling Seal E.P.D.M.
4. Discharge Elbow Polypropylene
5. Clamping Stem Reinforced Nylon
6. Float Foamed Polypropylene
7. O-Ring BUNA-N
8. Base Brass
1
2
3
4
5
6
7
8
TROUBLESHOOTING
SYMPTOM
Outlet thread size needed in
order to attach a drainage
hose.
Built-in plastic screen is not
accepted by health
department.
Plastic body and/or base not
acceptable.
CAUSE
Valve was hit or mishandled.Right angle outlet is broken.
End user needs to connect a
drainage pipe from the valve
outlet in order to drain
excess water.
is is an above ground
installation.
A change in product spec.
A change in designer
preference.
CORRECTIVE ACTION
Easy to replace: gently pry o the outlet with
screwdriver Pressure insert the new right angle
using a plastic hammer.
Replacement part can be ordered from A.R.I.
Note: e part is not mandatory for the function
of the valve.
D-040 has 3/8” female thread.
2” D040 has 1¼” female thread.
End of pipe must be left open in order for valve to
function.
ARI oers an approved 316 stainless screen that
threads into the 2" valve.
GSM in California has made one for the 1” valve.
Oer the cast iron or stainless steel body.
Also oer the bronze or stainless steel base.
Valve spits water.
Valve is continuously
leaking.
is is normal at start up
and during pressure test.
Could be debris in the
sealing mechanism.
Line pressure issues
(inadequate pressure)
or debris lodged in seal or
o-rings.
Plastic threads stripped.Valve leaks from threads.
Open the valve. Clean and check integrity of the
sealing mechanism and O-ring seals.
Check line pressure. It needs at least 3 psi to seal
tight.
Is the valve on a booster pump? Can be installation
issue if valve is level with the water level in a tank there is no pressure to seal.
Open valve and clean sealing mechanism, check
the rolling seal and o-rings for wear or tear.
Replace if necessary.
Check for cross-threading.
Replace bottom of valve or oer the cast metal
base.
A.R.I FLOW CONTROL ACCESSORIES Ltd.
Kfar Charuv 12932 Israel Tel. 972-4-6761803 Fax. 972-4-6763402
WWW.ARIVALVES.COM ari@ari.co.il
MAINTENANCE INSTRUCTIONS D-040-C 1”
EnM-D040C1-10