A.R.I. S-050 User Manual

9
IOM S-050
3. OPERATION
The S-050 Automatic Air Release Valve releases accumulated air from the system while it is under pressure. The air
release component is designed to automatically release small pockets of air to the atmosphere as they accumulate
along a pipeline or piping system when it is full and operating under pressure.
4. TROUBLE SHOOTING
PROBLEM
REASON
SOLUTION
Discharge Outlet Elbow is
broken.
Valve was hit or mishandled.
Easy to replace: gently pry off the Elbow with screwdriver
Pressure insert the replacement part using a plastic
hammer. Replacement part can be ordered from A.R.I.
Note: The part is not mandatory for the function of the
valve.
Outlet thread size needed
in order to attach a vent/
drain pipe
End user needs to connect a
vent/drain pipe from the
discharge outlet.
1/2", 3/4", 1" S-050 has 1/8” female thread.
End of pipe must be left open in order for valve to
function.
Valve spits water.
This is normal at start up
and during pressure test.
Could be debris stuck to the
sealing mechanism.
Perform steps for
BASIC MAINTENANCE
Valve is continuously
leaking.
Line pressure issues
(inadequate pressure) or
debris lodged in seal or O-
rings.
Check line pressure. It needs at least 0.2bar (3 psi) to seal
tight.
Is the valve on a booster pump? Can be an installation
issue if the valve is level with the water level in a tank -
there is no pressure to seal.
Perform steps for
BASIC MAINTENANCE
Valve leaks from threads.
Damaged O-ring
Plastic threads stripped.
Replace the Base O-ring
Check for cross-threading. Replace Base.
Offer to replace with a metal Base.

A.R.I. S-050 Specifications

General

Brand	A.R.I.
Model	S-050
Category	Control Unit
Language	English