Page 9 - Dry Bulk
P. 9

   Air/Pressure Relief Valves
Air Relief Repair Kits for 2180, A2180, A2180, and A2182 Each repair kit contains:
 • Complete instructions
• 15 or 18 PSI spring
• Spring Seat
• Diaphragm
•
•
•
• Label
Valve Poppet
4 Bolts and Lock Washers Tamper Proof Cup Seal
 Repair Kit for Valve Series
    Repair Kit Part Number
  Valve Spring Setting
 Valve Spring Tolerance
 2180 & A2180
    BAB 2180RK15
  15 PSI
  +2/- 0 PSI
   BAB 2180RK15A
  15 PSI
  +1/- 1 PSI
   BAB 2180RK18
   18 PSI
   +2/- 0 PSI
   BAB 2180RK18A
  18 PSI
  +1/- 1 PSI
  A2182
   BAB 2182RK15
 15 PSI
 +2/- 0 PSI
   BAB 2182RK15A
  15 PSI
  +1/- 1 PSI
   BAB 2182RK18
   18 PSI
   +2/- 0 PSI
   BAB 2182RK18A
  18 PSI
  +1/- 1 PSI
     1120, 2120 and 3120 Series
• Male NPT inlet and female NPT outlet
• Bronze poppet valve
• Bolt seal installed to deter unauthorized tampering
Outlet
Outlet
1 request the required vacuum setting when ordering
2 relieving capacity (SCFM) varies with set vacuum, for specific relief rates please contact Dixon xx refers to choice of vacuum setting, request the required pressure setting when ordering.
Vacuum Relief Valves
inlet
1120
inlet 2120
inlet 3120
Outlet
 Valve Series
 Valve Inlet
 Valve Outlet
  Available Factory Set Vacuum Range (HG)1
 Set Vacuum Tolerance
 Relieving Capacity (SFFM)2
   1120/xx
 11⁄2” male NPT
   11⁄2” male NPT
  6 to 24
 +/-0.5 HG
   175 to 420
 2120/xx
 2” male NPT
 2” male NPT
  5 to 24
 +/-0.5 HG
 280 to 600
 2130/xx
  3” male NPT
  3” male NPT
   11 to 25
  +/-0.5 HG
  700 to 1350
  PVC Coated Lanyards
  Part Number
   Connection
   CAL 15
 15” long PVC coated carbon steel with aluminum crimp sleeves. One end factory crimped, one end un-crimped for field installation.
 CAL 25
   25” long PVC coated carbon steel with aluminum crimp sleeves. One end factory crimped, one end factory crimped, one end un-crimped for field installation.
 To locate the Polar Service Center nearest you, please call 1-877-534-2076 west of the Continental Divide and 1-800-955-8558 east of the Continental divide or visit our website at: www.polarcorp.com 3-9
Dry Bulk Trailer Parts Catalog
Relief Valves









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