A.R.I. DG 101 User 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 uids 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 oat (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 oat (5) with clean water and examine it for damage.
Replace the oat (5) if it is damaged.
Clean the drainage elbow (2) to remove insects and debris.
Return the oat (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

1

2

3

4

5

6

7

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.

Oer the cast iron or
stainless steel body.
Also oer the bronze or
stainless steel base.

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.

D040 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 oers an approved 316 stainless screen that
threads into the 2" valve.
GSM in California has made one for the 1” valve.

We provide several alternatives for those who do
not want plastic.

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 oer the cast metal
base.

A.R.I FLOW CONTROL ACCESSORIES Ltd.

Kfar Charuv 12932 Israel Tel. [phone] Fax. [phone]
WWW.ARIVALVES.COM [e-mail]

MAINTENANCE INSTRUCTIONS DG-10 1”

EnM-DG101-10