ARO PD20 series - User Manual

INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506

(800) 495-0276

FAX (800) 892-6276
© 2017 CCN 15226509
arozone.com
OPERATOR’S MANUAL PX20X-XXX-XXX-BXXX
INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE
RELEASED: 2-2-05
REVISED: 6-30-17
(REV: N)
2" DIAPHRAGM PUMP
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.
637309-XXX for uid section repair with seats (see page 5).
637309-XX for uid 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

. 85.0 dB(A)


Tested with 67263 muer assembly installed.

The pump sound pressure levels published here have been updated to an Equiv-
alent Continuous Sound Level (LA
eq
) to meet the intent of ANSI S1.13-1971, CA-
GI-PNEUROP S5.1 using four microphone locations.
MODEL PD20X
MODEL PE20X
Figure 1

Summary

Service Kits

Pump Data

Model Description Chart

Operating and Safety Precautions

Excessive Air Pressure Warning

Warning regarding excessive air pressure can cause personal injury, pump damage or property damage.

Static Spark Hazard

Warning about static spark hazards leading to explosion, severe injury or death. Ground pump.

Hazardous Material & Explosion Hazards

Warnings for handling hazardous materials and explosion risks with specific solvents.

General Operating Cautions

Cautions on safe practices, chemical compatibility, and pump usage limitations.

General Description

Air and Lube Requirements

Operating Instructions

Maintenance

Fluid Section Disassembly

Steps for disassembling the fluid section of the diaphragm pump.

Fluid Section Reassembly

Steps for reassembling the fluid section of the diaphragm pump.

Fluid Section Parts List

Assembly Torque Requirements

Lubrication; Sealants

Air Motor Section Parts List

Air Motor Section Service

Details on servicing the air motor section, including pilot and major valve disassembly/reassembly.

Air Motor Assembly Torque Requirements

Air Motor Lubrication; Sealants

Trouble Shooting

Dimensional Data

ARO PD20 series Specifications

General

Brand	ARO
Model	PD20 series
Category	Water Pump
Language	English