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OPERATOR’S MANUAL PP20A-XXX-XXX
RELEASED: 6-2-05
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
REVISED: 6-21-10
(REV. 04)
2" DRY POWDER 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
PP20A-XXX-XXX Powder Pump
Refer to Model Description Chart to match the pump mate-
rial options.
710
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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 WARNING EXPLOSION HAZARD. Models containing alu- minum wetted parts cannot be used with 1,1,1-trichlo- roethane, methylene chloride or other halogenated WARNING EXCESSIVE AIR PRESSURE. Can cause per- hyd
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small or restrictive, which will inhibit material flow. The GENERAL DESCRIPTION outlet material volume is governed not only by the air The ARO diaphragm pump off ers high volume delivery even supply, but also by the material volume available at the at low air pressure and a broad range of material compat- inlet. ibility options available. Refer to the model and option chart. Air supply provided should be filtered to provide clean, ARO pumps feature stall resistant design, modular air moto
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compress some powders to a solid that may cause the pump SCHEMATIC CIRCUIT to fail. The pump should cycle until most of the powder has been purged before it is shut down. Air / Nitrogen 42 Calibration procedure on initial start-up: 12 14 A212PD NOTE: Once these parameters are established for your spe- 95077 cifi c application, they should not need to be changed. 119309-103 1. Turn the fl ow and pressure on the (248) fi lter / regulator Left 2 CP10-B CP10-B all the way up. 2 Right 4 4 2. Slowl
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TYPICAL CROSS SECTION Figure 3 PP20A-XXX-XXX (en) Page 5 of 12
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PARTS LIST / PP20A-XXX-XXX FLUID SECTION 637309-XX fl uid section service kits include: Balls (item 22), diaphragms (item 7), and items 19, 70, 144, 175 (listed below) plus items 174 and 94276 Lubriplate® FML-2 grease (page 8). MATERIAL CODE SEAT OPTIONS BALL OPTIONS [A] = Aluminum PP20A-XXX-XXX PP20A-XXX-XXX [B] = Nitrile [C] = Carbon Steel (2-1/2” diameter) “21” “22” [Co] = Copper -XXX Seat Qty [Mtl] -XXX Ball Qty [Mtl] [MSp] = Medical Grade Santoprene [Sp] = Santoprene -AXX 94328-A (4) [S
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PARTS LIST / PP20A-XXX-XXX FLUID SECTION FOR THE AIR MOTOR 3 1 SECTION, SEE PAGES 74 8 & 9. 5 8 61 (PP20A-CSX-XXX) 7 6 2 4 74 Torque Sequence 61 (PP20A-XSX-XXX) 63 74 61 (PP20A-XAX-XXX) 26 68 144 144 29 69 5 7 6 14 22 21 19 27 175 70 175 70 15 1 180 131 9 22 63 60 (PP20A-XAX-XXX) 21 (PP20A-XSX-XXX) 26 19 250 Figure 4 60 (PP20A-CSX-XXX) TORQUE REQUIREMENTS LUBRICATION / SEALANTS NOTE: DO NOT OVERTIGHTEN FASTENERS. Apply PTFE tape to thre
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PARTS LIST / PP20A-XXX-XXX AIR MOTOR SECTION Indicates parts included in 637421 air section repair kit, plus items 70, 144, 175 and 180 (page 6). AIR MOTOR PARTS LIST (size) (size) Item Description (Qty) Part No. [Mtl] Item Description (Qty) Part No. [Mtl] (1/8" x 7/8" o.d.) 101 Center Body (1) 94028 [A] 169 “U” Cup (1) Y240-9 [B] 103 Bushing (1) 95955 [Bz] 170 Piston Sleeve (1) 94081 [Br] (M6 x 1 - 6g x 20 mm) (3/32” x 1-1/8” o.d.) 105 Screw (4) 95887 [SS] 171 “O” Ring (1) Y325-119 [B] (1/16
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PARTS LIST / PP20A-XXX-XXX AIR MOTOR SECTION PILOT VALVE PART GROUP 118 169 168 172 121 171 255 174 170 243 173 231 167 173 166 140 199 244 233 240 121 118 135 174 133 103 101 201 141 200 241 128 231 255 132 176 134 138 111 139 137 242 128 Figure 5 136 TORQUE REQUIREMENTS 105 MAJOR VALVE 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).
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PARTS LIST / PP20A-XXX-XXX CONTROL SECTION AIR CONTROL PARTS LIST (size) (size) Item Description (Qty) Part No. Item Description (Qty) Part No. (1/8 - 27 N.P.T.F. - 1) 76 Adapter (2) 94817 263 Control Valve (1) H254PS (1/4” o.d. tube x 1/8 - 27 N.P.T.) with 0.078” orifi ce (1/2 - 14 N.P.T.) 77 Elbow (2) 59756-56 264 Pipe Plug (1) 94977 (1/4” o.d. x 14”) (1/2 - 14 N.P.T.F. - 1 x 1-1/8”) 78 Tube (2) 59675-( ) 265 Nipple (1) Y27-4-C (not shown) (3/4 - 14 N.P .T. x 1/2 - 14 N.P .T.) 245 Air Line Co
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PARTS LIST / PP20A-XXX-XXX CONTROL SECTION 261 268 (2” long) 256 See view “A-A” 260 (14” long) 78 256 (7.5” long) 270 259 277 266 276 265 278 258 275 257 269 (9” long) 256 259 264 78 (14” long) 263 76 77 (27” long) 267 76 Figure 7 Page 11 of 12 PP20A-XXX-XXX (en)
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DIMENSIONAL DATA Dimensions shown are for reference only. They are displayed in inches and millimeters (mm). 2 - 11-1/2 N.P.T.F. - 1 (PP20A-AXX-XXX) PP20A-XSX-XXX (outlet this side) Rp 2 (2 - 11 BSP parallel) (PP20A-BXX-XXX) 2-1/2” Tri-Clamp (PP20A-CXX-XXX) E F L Air Inlet 1/2 - 14 N.P.T.F. L Outlet B G N M D I In nl le et t K H C J A Exhaust Port 1-1/2 - 11-1/2 N.P.T. DIMENSIONS A - see below E - 16-3/32” (408.5 mm) H - 9-1/16" (230.2 mm) L - see below B - 24-3/4” (628.7 mm) F - 12” (304.8 mm)
