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800.355.1991
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Dixon Bayco 2016
Dry Bulk Products
Products
Dry Bulk
Trailer/Tank Mounted Air Relief Valves
2180
2180B/15
2180V/15
3180
Valve Series
Valve Connection
Available Factory Set
Pressure Range (PSI)
1
Set Pressure
Tolerance
(PSI)
Diaphragm Material
Relieving
Capacity
(SCFM)
2
2180/xx
2" female NPT
2 to 25
+3/-0
white food grade silicone 500 to 950
2180/15
2" NPTF air relief valve
15
+3/-0
white food grade silicone 500 to 950
2180/18
2" NPTF air relief valve
18
+3/-0
white food grade silicone 500 to 950
A2180/xx
2" female NPT
2 to 27
+1/-0
white food grade silicone 500 to 950
2180B/15
2" cam and groove adapter
15
+3/-0
white food grade silicone 500 to 950
2180V/15
2" grooved
15
+3/-0
white food grade silicone 500 to 950
3180/xx
3" female NPT
4 to 30
+3/-0
red silicone
750 to 1500
A3180/xx
3" female NPT
6 to 32
+1/-0
red silicone
750 to 1500
¹ request the required pressure setting when ordering (xx refers to choice of pressure setting)
² relieving capacity (SCFM) varies with set pressure, for specific rates please refer to our website or contact Dixon™
•
See page 28 for repair kits
•
See page 23 for air relief testing equipment
Application:
Designed specifically for use on trailer tanks containing dry bulk products. If a system blockage
were to occur the valves are designed to vent to atmosphere once the valve pressure setting is
achieved.
Not intended for blower service (for blower service applications see the 2182 series air
relief valves shown on page 3)
Standards:
Available with 2 set pressure tolerances:
1) 2180/3180 series have a +3/-0 set pressure tolerance (valve opens at set pressure plus 3 PSI)
2) A2180/A3180 series have a +1/-0 set pressure tolerance (valve opens at set pressure plus 1
PSI)
•
2180/A2180 are available with 2" male or female NPT, cam and groove adapter or grooved pipe
connections.
•
3180/A3180 are available only with 3" female NPT connections
Materials:
Bayloy vent cowl with aluminum upper, bronze poppet with white food grade silicone diaphragm in
the 2180/A2180, red silicone diaphragm in the 3180/A3180
Features & Benefits:
•
Available with a variety of pressure settings, see chart below for model specific available
pressure settings. Customer should request set pressure at time of order.
•
Relieving capacity (SCFM) varies dependent upon model and pressure setting. See chart
below, or for specific relief rates please refer to our website or contact Dixon™.
•
Installed cup seal deters tampering
•
Bayloy body eliminates thread galling
•
PVC coated wire lanyard available for securing air relief valves (see page 5)
Fixed Pressure Setting Valves
Product instruction sheets and technical data, can be viewed on our website at
dixonvalve.com