Ingersoll-Rand ARO BD20-A Series Operator's Manual
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Ingersoll-Rand ARO BD20-A Series Operator's Manual

Ingersoll-Rand ARO BD20-A Series Operator's Manual

2" band clamp diaphragm pump 1:1 ratio metallic
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OPERATOR'S MANUAL
INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
SERVICE KITS
Refer to Model Description Chart to match the pump material
options.
637494-XX for fluid section repair (see page 5).
NOTE: This kit also contains several air motor seals which will
need to be replaced.
637374-X major air valve assembly (see page 9).
637421 for air section repair (see page 7).
PUMP DATA
Models . . . . . . . . . . See Model Description Chart for "-XXX"
Pump Type . . . . . . Metallic Air Operated Double Diaphragm
Material . . . . . . . . . see Model Description Chart
Weight
BD20A-XAX-XXX-AXX . . . . . . . . . . 75 lbs (34 kgs)
Maximum Air Inlet Pressure . . . . . 120 psig (8.3 bar)
Maximum Material Inlet Pressure 10 psig (0.69 bar)
Maximum Outlet Pressure . . . . . . . 120 psig (8.3 bar)
Maximum Flow Rate . . . . . . . . . . . . . 185 gpm (700 lpm)
Displacement / Cycle @ 100 psig . 1.4 gal. (5.3 lit.)
Maximum Suction Lift (Dry Inlet) 18 ft (5.4 m) water
(Tested using BD20A-AAS-CCA)
Maximum Suction Lift (Flooded Inlet) 31 ft (9.4 m) water
(Tested using BD20A-AAS-AAA)
Maximum Particle Size . . . . . . . . . . 1/4" dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seat
material)
E.P.R / EPDM . . . . . . . . . . . . -60° to 280° F (-51° to 138° C)
Hytrel® . . . . . . . . . . . . . . . . . -20° to 180° F (-29° to 82° C)
Santoprene® . . . . . . . . . . . -40° to 225° F (-40° to 107° C)
PTFE . . . . . . . . . . . . . . . . . . . 40° to 225° F (4° to 107° C)
Viton® . . . . . . . . . . . . . . . . . . -40° to 350° F (-40° to 177° C)
Dimensional Data . . . . . . . . . see page 10
Noise Level @ 70 psig, 60 cpm . . . 85.0 dB(A)
 The pump sound pressure levels published here have been updated to an Equiv-
alent Continuous Sound Level (LA
GI-PNEUROP S5.1 using four microphone locations.
INGERSOLL RAND COMPANY INC
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
arozone.com
2" BAND CLAMP DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
OPERATING OR SERVICING THIS EQUIPMENT.
) to meet the intent of ANSI S1.13-1971, CA-
eq
© 2021
BD20X-XXX-XXX-AXX
MODEL BD20X
Figure 1
RELEASED:
1-11-21
REVISED:
7-30-21
(REV: B)

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Summary of Contents for Ingersoll-Rand ARO BD20-A Series

  • Page 1 OPERATOR’S MANUAL BD20X-XXX-XXX-AXX RELEASED: 1-11-21 INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE REVISED: 7-30-21 2" BAND CLAMP DIAPHRAGM PUMP (REV: B) 1:1 RATIO (METALLIC) READ THIS MANUAL CAREFULLY BEFORE INSTALLING, OPERATING OR SERVICING THIS EQUIPMENT. It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference. SERVICE KITS Refer to Model Description Chart to match the pump material options.

  • Page 2: Model Description Chart

    MODEL DESCRIPTION CHART Model Code Explanation Example: BD20 Model Series BD20- 2” Band Clamp Diaphragm Pump Air Motor / Air Cap Material A - Aluminum Fluid Connection A - 2 - 11-1/2 NPTF - 2 B - Rp 2 (2-11 BSP Parallel) Fluid Caps &...

  • Page 3: Operating And Safety Precautions

    OPERATING AND SAFETY PRECAUTIONS READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE. Obtain Material Safety Data Sheets on all materials EXCESSIVE AIR PRESSURE HAZARDOUS MATERIALS from the supplier for proper handling instructions. STATIC SPARK HAZARDOUS PRESSURE EXPLOSION HAZARD.

  • Page 4: General Description

    Viton® is a registered trademarks of the Chemours Company Hytrel® is a registered trademark of the DuPont Company y Loctite® is a registered trademark of Henkel Corporation y y Santoprene® is a registered trademark of ExxonMobil y ARO® is a registered trademark of Ingersoll-Rand Company y y Lubriplate®...
  • Page 5 PARTS LIST / BD20X-XXX-XXX-AXX FLUID SECTION  637494-XX Fluid Section Service Kits include: Balls (see BALL Option, refer to -XX in chart below), Diaphragms (see DIAPHRAGM Option, refer to -XX in chart below), and items: 19, 70, 144 and 175 (listed below) plus 174 and 94276 Lubriplate FML-2 grease (page 7). COMMON PARTS COMMON PARTS Item Description...
  • Page 6 PARTS LIST / BD20X-XXX-XXX-AXX FLUID SECTION COLOR CODE Material Diaphragm Ball View for BD20X-XXX-XXT-AXX (PTFE diaphragm) Color Color Hytrel Cream Cream (•) Nitrile Black Red (•) 8 Santoprene Santoprene Santoprene Green (Backup) PTFE White White Viton Yellow (-) Yellow (•) (-) Dash (•) Dot 8 PTFE...
  • Page 7 PARTS LIST / BD20X-XXX-XXX-AXX AIR MOTOR SECTION  Indicates parts included in 637421 air section service kit shown below and items (70), (144), (175) and (180) shown on page 5. Item Description Qty Part No. Item Description Qty Part No. (size) (size) 76 Plug...

  • Page 8: Air Motor Section Service

    AIR MOTOR SECTION SERVICE MAJOR VALVE DISASSEMBLY Service is divided into two parts - 1. Pilot Valve, 2. 1. Remove (135) valve block and (233) adapter plate, expos- ing (132 and 166) gaskets and (176) checks. Major Valve. 2. Remove (233) adapter plate, releasing (140) valve insert, GENERAL REASSEMBLY NOTES: (141) valve plate, (199, 200 and 241) gaskets and (243 and Air Motor Section service is continued from Fluid Section...
  • Page 9 PARTS LIST / BD20X-XXX-XXX-AXX AIR MOTOR SECTION PILOT VALVE 168c 169c 172c c174 171c PILOT VALVE c173 173c cf166 c244 174c c243 c200 132c 240( 128d 241c 199c 141c (BD20X-XXX-XXX-APX only) )134 137c c138 128d MAJOR VALVE 139c 242c 105( c137 128d (BD20X-XXX-XXX-APX only)

  • Page 10: Troubleshooting

    TROUBLESHOOTING Product discharged from exhaust outlet. Low output volume, erratic flow or no flow. Check for diaphragm rupture. Check air supply. Check tightness of (14) diaphragm screw. Check for plugged outlet hose. Check for kinked (restrictive) outlet material hose. Air bubbles in product discharge. Check for kinked (restrictive) or collapsed inlet material Check connections of suction plumbing.
  • Page 11 ELECTRONIC INTERFACE GENERAL DESCRIPTION This electronic interface includes options for solenoid control, By providing continuous ON - OFF signals to the solenoid, the end of stroke feedback, cycle counting on the major valve, fluid transfer rate may be increased or decreased remotely. and a ported motor with no major valve for user-supplied End of stroke feedback can be used in conjunction with the control directly to the two diaphragm air chambers.
  • Page 12 ELECTRONIC INTERFACE PART LIST For BD20X-XXX-XXX-AXX models Figure 6 Page 12 of 20 BD20X-XXX-XXX-AXX (en)
  • Page 13 NON - HAZARDOUS DUTY END OF STROKE With End of Stroke feedback, the End of stroke sensor detects when the diaphragm rod has reached the end of each stroke. This allows closed loop control of the diaphragm pump, verifying each stroke is complete. End of Stroke / Cycle Sensor Pinout, M12 Connector CABLE ASSEMBLY WIRING COLORS: PIN 1...

  • Page 14: Installation Sequence

    INSTALLATION SEQUENCE (FOR PTFE COMPOSITE DIAPHRAGMS ONLY) Page 14 of 20 BD20X-XXX-XXX-AXX (en)
  • Page 15 PN 97452 1” x 0.5” (25.4 mm x 12.7 mm) 0.13 6-8 psig BD20X-XXX-XXX-AXX (en) Page 15 of 20...
  • Page 16 Page 16 of 20 BD20X-XXX-XXX-AXX (en)
  • Page 17 BD20X-XXX-XXX-AXX (en) Page 17 of 20...
  • Page 18 0.13 6-8 psig Page 18 of 20 BD20X-XXX-XXX-AXX (en)
  • Page 19 PN 97452 1” x 0.5” (25.4 mm x 12.7 mm). BD20X-XXX-XXX-AXX (en) Page 19 of 20...
  • Page 20 PN 97999-1920 Page 20 of 20 BD20X-XXX-XXX-AXX (en)

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Aro bd20a-a-a series

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