Ingersoll-Rand ARO SP20 Series Operator's Manual
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Ingersoll-Rand ARO SP20 Series Operator's Manual

2” sanitary powder pump
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OPERATOR'S MANUAL
INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE
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 mate-
rial options.
7102 Valve Kit for repair of H254PS control valve.
104302 for repair of P39124-100 Filter / Regulator.
118597-2 Spool Kit for repair of A212PD 4-way alpha valve.
637494-XX for Fluid Section repair (see page 6).
NOTE: This kit also contains several air motor seals which will
need to be replaced.
637497 for Air Section repair (see page 8).
PUMP DATA
Models . . . . . . . . . . . . . see Model Description Chart for "-XXX"
Pump Type . . . . . . . . . Metallic, Dry Powder, Diaphragm Pump
Material . . . . . . . . . . . . see Model Description Chart
Specific Application for pumping powders up to 50 lb. / ft
Weight . . . SP20X-XXX-XXX-A . . . . . . . . 174.4 lbs (79.1 kgs)
Maximum Air Inlet Pressure . . . . . . . . 50 psig (3.4 bar)
Maximum Fluidizing Pressure . . . . . . 100 psig (6.9 bar)
Maximum Particle Size . . . . . . . . . . . . . 1/4" dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seat
materials)
Santoprene® . . . . . . . . . . . . . . -40° to 225° F (-40° to 107° C)
PTFE. . . . . . . . . . . . . . . . . . . . . . 40° to 225° F (4° to 107° C)
Dimensional Data . . . . . . . . . . . . . . . . . . . see page 12
Mounting Dimension . 9-1/16" x 10-1/16" (230 mm x 256 mm)
Noise Level @ 70 psig, 50 cpm  . . . . . 83.0 dB(A) 
 The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (LA
S1.13-1971, CAGI-PNEUROP S5.1 using four microphone locations.
NOTICE: All possible options are shown in the chart, however, certain
combinations may not be recommended. Consult a representative or
the factory if you have questions concerning availability.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
arozone.com
2" SANITARY POWDER PUMP
1:1 RATIO (METALLIC)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
3
) to meet the intent of ANSI
eq
© 2018
SP20X-XXX-XXX-A
SP20X-XXX-XXX-A Sanitary Powder Pump
MODEL DESCRIPTION CHART
Center Section Material
S - Stainless Steel
Port
C - 2-1/2" Tri-Clamp
Fluid Cap & Manifold Material
S - 316L Stainless Steel
Hardware Material
S - Stainless Steel
Seat Material
S - 316L Stainless Steel
Ball Material
M - Medical Grade Santoprene
T - PTFE
Diaphragm Material
M - Medical Grade Santoprene
K - PTFE Composite
Fluid Section Service Kit Selection
EXAMPLE: Model #SP20S-CSS-SMM-A
Fluid Section Service Kit # 637494-MM
RELEASED:
7-20-18
REVISED:
10-26-18
(REV: B)
Figure 1
SP20X - X X X - X X X - A
SP20X - XXX - X X X - A
637494 - X X
Ball
Diaphragm

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Summary of Contents for Ingersoll-Rand ARO SP20 Series

  • Page 1 OPERATOR’S MANUAL SP20X-XXX-XXX-A INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE RELEASED: 7-20-18 REVISED: 10-26-18 (REV: B) 2” SANITARY POWDER 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 SP20X-XXX-XXX-A Sanitary Powder Pump Refer to Model Description Chart to match the pump mate-...

  • Page 2: 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 3: General Description

    GENERAL DESCRIPTION The material inlet supply tubing should not be too small or restrictive, which will inhibit material flow. The outlet The ARO diaphragm pump offers high volume delivery even material volume is governed not only by the air supply, at low air pressure and a broad range of material compat- but also by the material volume available at the inlet.

  • Page 4: Maintenance

    Loctite® and 242® are registered trademarks of Henkel Loctite Corporation y ARO® is a registered trademark of Ingersoll-Rand Company y y Santoprene® is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P. y 271™ is a trademark of Henkel Loctite Corporation y y Lubriplate®...

  • Page 5: Typical Cross Section

    TYPICAL CROSS SECTION Figure 3 SP20X-XXX-XXX-A (en) Page 5 of 12...
  • Page 6 PARTS LIST / SP20X-XXX-XXX-A FLUID SECTION  637494-XX FLUID SECTION SERVICE KITS INCLUDE: BALLS (See “Ball Options”, refer to -XX Service kit in chart below), DIA- PHRAGMS (See “Diaphragm Options”, refer to -XX in Service kit chart below) and items 19, 70, 144, 175 (listed below) plus items ®...
  • Page 7 PARTS LIST / SP20X-XXX-XXX-A FLUID SECTION COLOR CODE MATERIAL DIAPHRAGM BALL COLOR COLOR Medical Grade Natural Natural ® Santoprene ® Santoprene Green (Backup) PTFE White White Figure 4 TORQUE REQUIREMENTS NOTE: DO NOT OVERTIGHTEN FASTENERS ALL FASTENERS ARE METRIC. (14) Diaphragm screw, 65 - 70 ft lbs (88.1 - 94.9). (82) Screws of Band-Clamp,3.7 - 7 ftlbs(5.01 - 9.49Nm).

  • Page 8: Pilot Valve Disassembly

    PARTS LIST / SP20X-XXX-XXX-A AIR MOTOR SECTION  Indicates parts included in 637497 air section repair kit, plus items 70, 144, 175 and 180 (page 8). AIR MOTOR PARTS LIST Item Description (Qty) Part No. [Mtl] Item Description (Qty) Part No. [Mtl] (size) (size)
  • Page 9 PARTS LIST / SP20X-XXX-XXX-A AIR MOTOR SECTION PILOT VALVE PART GROUP Figure 5  TORQUE REQUIREMENTS  NOTE: DO NOT OVERTIGHTEN FASTENERS. ALL FASTENERS ARE METRIC. (105) screw, 40 - 50 in. lbs (4.5 - 5.6 Nm). (134) screw, 40 - 50 in. lbs (4.5 - 5.6 Nm). (240) screw, 40 - 50 in.
  • Page 10 PARTS LIST / SP20X-XXX-XXX-A CONTROL SECTION AIR CONTROL PARTS LIST Item Description (Qty) Part No. Item Description (Qty) Part No. (size) (size) 76 Adapter (2) 94817 263 Control Valve (1) H254PS (1/8 - 27 NPTF - 1) 77 Elbow (2) 59756-56 264 Pipe Plug (1) 94977 (1/4”...
  • Page 11 PARTS LIST / SP20X-XXX-XXX-A CONTROL SECTION (2” long) See view “A-A” (14” long) (7.5” long) (9” long) (14” long) (27” long) Figure 7 Page 11 of 12 SP20X-XXX-XXX-A (en)

  • Page 12: Dimensional Data

    DIMENSIONAL DATA Dimensions shown are for reference only. They are displayed in inches and millimeters (mm). AIR INLET 1/2- 14 NPTF 559.2 mm 375.93 mm 86 mm Inlet 401.7 mm 565.61 mm MATERIAL INLET 2-1/2” TRI-CLAMP MATERIAL OUTLET 2-1/2” TRI-CLAMP Outlet 637.5 mm 673.5 mm...

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