ARO PD20 series Operator's Manual
  1. Manuals
  2. Brands
  3. ARO Manuals
  4. Water Pump
  5. PD20 series
  6. Operator's manual

ARO PD20 series Operator's Manual

2 inch diaphragm pump 1:1 ratio (metallic)
Hide thumbs
Table of Contents

Advertisement

Quick Links

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.
637309-XXX for fluid section repair with seats (see page 5).
637309-XX for fluid section repair without seats (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 8).
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
PX20A-XAX-XXX-BXXX . . . . . . . . . 91.4 lbs (41.5 kgs)
PX20A-XCX-XXX-BXXX . . . . . . . . . 147.4 lbs (66.9 kgs)
PX20A-AHX-XXX-BXXX, -BHX . . . 155.0 lbs (70.3 kgs)
PX20A-ASX-XXX-BXXX, -BSX . . . . 149.8 lbs (68.0 kgs)
PX20A-FHX-XXX-BXXX . . . . . . . . . 169.4 lbs (76.8 kgs)
PX20A-FSX-XXX-BXXX . . . . . . . . . 162.0 lbs (73.5 kgs)
(add 28.9 lbs [13.1 kg] for stainless steel air motor section)
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 . . . . . . . . . . . . . 172 gpm (651 lpm)
Displacement / Cycle @ 100 psig . 1.4 gal. (5.3 lit.)
Maximum Particle Size . . . . . . . . . . 1/4" dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seal
material)
E.P.R. / EPDM . . . . . . . . . . . -60° to 280° F (-51° to 138° C)
Hytrel® . . . . . . . . . . . . . . . . . -20° to 180° F (-29° to 82° C)
Kynar®PVDF . . . . . . . . . . . . 10° to 200° F (-12° to 93° C)
Nitrile . . . . . . . . . . . . . . . . . . 10° to 180° F (-12° 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 9
Noise Level @ 70 psig, 60 cpm
 Tested with 67263 muffler assembly installed.
 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 LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
arozone.com
2" DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
OPERATING OR SERVICING THIS EQUIPMENT.
. 85.0 dB(A)
) to meet the intent of ANSI S1.13-1971, CA-
eq
© 2017
CCN 15226509
PX20X-XXX-XXX-BXXX
MODEL PD20X
MODEL PE20X
Figure 1
RELEASED:
2-2-05
REVISED:
6-30-17
(REV: N)

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PD20 series and is the answer not in the manual?

Questions and answers

Related Manuals for ARO PD20 series

Summary of Contents for ARO PD20 series

  • Page 1 OPERATOR’S MANUAL PX20X-XXX-XXX-BXXX RELEASED: 2-2-05 INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE REVISED: 6-30-17 2" DIAPHRAGM PUMP (REV: N) 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: PX20 Model Series PD20- Standard Pump PE20- Electronic Interface Air Motor / Air Cap Material A - Aluminum S - Stainless Steel Fluid Connection A - 2 - 11-1/2 NPTF - 1 B - Rp 2 (2 - 11 BSP parallel) F - 2“...

  • Page 3: Operating And Safety Precautions

    Use the pump grounding screw terminal provided. Use chemical(s) within the substances being pumped, ARO® part no. 66885-1 ground kit or connect a suitable flushed or circulated. For specific fluid compatibility, ground wire (12 ga. min.) to a good earth ground source.

  • Page 4: General Description

    Hytrel®, and Viton® are registered trademarks of the DuPont Company y Loctite® is a registered trademark of Henkel Loctite Corporation y Kynar® is a registered trademark of Arkema Inc. y y Santoprene® is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P. y ARO® is a registered trademark of Ingersoll-Rand Company y y Lubriplate®...
  • Page 5 PARTS LIST / PX20X-XXX-XXX-BXXX FLUID SECTION FLUID SECTION SERVICE KITS (637309 -XXX or 637309 -XX)  For Fluid Kits With Seats: 637309-XXX Fluid Section Service Kits include: Seats (see SEAT Option, refer to -XXX in chart below), Balls (see BALL Option, refer to -XXX in chart below), Diaphragms (see DIAPHRAGM Option, refer to -XXX in chart below), and items: 19, 70, 144 and 175 (listed below) plus 174 and 94276 Lubriplate FML-2 grease (page 7).
  • Page 6 PARTS LIST / PX20X-XXX-XXX-BXXX FLUID SECTION COLOR CODE Material Diaphragm Ball Color Color Hytrel Cream Cream (•) Nitrile Black Red (•) Santoprene Santoprene Green (Backup) PTFE White White Viton Yellow (-) Yellow (•) (-) Dash (•) Dot Torque Sequence FOR THE AIR MOTOR SECTION SEE PAGE 7 AND 8.

  • Page 7: Air Motor Section Service

    MUST FACE EACH OTHER. rings onto the (167) pilot piston, use tool # 204130-T, 2. Insert (111) spool into (135) valve block. available from ARO. 3. Install (137 and 242) “O” rings on (136) plug and assemble PILOT VALVE DISASSEMBLY plug to (135) valve block, securing with (105) screws.
  • Page 8 PARTS LIST / PX20X-XXX-XXX-BXXX AIR MOTOR SECTION PILOT VALVE Substitute these “O“ rings for (166) gasket on models PX20S- XXX-XXX-B( ). PILOT VALVE (PE20A-XXX-XXX-BSXX) (PE20S-XXX-XXX-BSXX) Optional 94117 Mu er ASSEMBLY TORQUE REQUIREMENTS NOTE: DO NOT OVERTIGHTEN FASTENERS. (105) Screw, 40 - 50 in. Lbs (4.5 - 5.6 Nm). MAJOR VALVE (134) Screw, 40 - 50 in.

  • Page 9: Troubleshooting

    TROUBLE SHOOTING 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.
  • Page 10 Page 10 of 12 PX20X-XXX-XXX-BXXX (en)
  • Page 11 PX20X-XXX-XXX-BXXX (en) Page 11 of 12...
  • Page 12 PN 97999-1108 Page 12 of 12 PX20X-XXX-XXX-BXXX (en)

This manual is also suitable for:

Pe20 series

Table of Contents

Save PDF