background image

Page 2 of 12 

PM20X-X-X-BXX (en)

MODEL DESCRIPTION CHART

Model Code Explanation

PM20

X

-

C

S

S

-

X

X

X

-

B

X

X

Center Section Material

A - Aluminum

Port

Fluid Caps and Manifold Material

S - Stainless Steel

Hardware Material

S- Stainless Steel

Seat  Material

Ball  Material

Diaphragm  Material

Revision

B- Revision

Specialty Code 1 (Blank if no Speciality Code)

B- Solenoid 12 VDC, 24 VAC AND 22 VAC

D- Solenoid 24 VDC, 48 VAC AND 44 VAC

A- Solenoid 120 VAC,110 VAC AND 60 VDC

C- Solenoid 240 VAC, 220 VAC AND 120 VDC

G- Solenoid 12 VDC ATEX / IECEx
H- Solenoid 24 VDC ATEX / IECEx

K- Solenoid 220 VAC ATEX / IECEx
N- Solenoid with no Coil

P- Ported Motor (No major valve)

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.

G- End of Stroke ATEX / IECEx / NEC / CEC

F- End of Stroke feedback

E- End of Stroke fe Leak Detection

R- End of Stroke NEC

H- End of Leak Detection ATEX / IECEx / NEC / CEC
L- Leak Detection
M- Leak Detection ATEX / IECEx / NEC / CEC

E- Solenoid 12 VDC NEC / CEC

F- Solenoid 24 VDC NEC / CEC

J-

Solenoid 120 VAC NEC / CEC

C - Sanitary Flange

0- Standard Valve Block (No Solenoid)

S- Cycle Sensing on Major Valve

T- End of Stroke NEC / Leak Detection NEC

2- No option

Specialty Code 2 (Blank if no Speciality Code)

M - Medical Grade Santoprene

M - Medical Grade Santoprene

T - PTFE

L - Long Life PTFE

M - Medical Grade Santoprene
T - PTFE / Santoprene

S - 316 Stainless Steel

S - Stainless Steel

Fluid Section Service Kit Selection

EXAMPLE: Model #PM20S-CSS-SMM-BXX

Fluid Section Service Kit # 637309-MM

PM20X - XXX - X X X - BXX

  Ball 

Diaphragm

637309 - X X

Summary of Contents for PM20 Series

Page 1: ...r Air Valve Assembly see page 8 PUMP DATA Models see Model Description Chart for XXX Pump Type Metallic Air Operated Diaphragm Pump Material see Model Description Chart Weight PM20A CSS XXX BXX 142 8 lbs 64 8 kgs PM20S CSS XXX BXX 171 7 lbs 77 9 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 Rat...

Page 2: ...ions may not be recommended Consult a representative or the factory if you have questions concerning availability G End of Stroke ATEX IECEx NEC CEC F End of Stroke feedback E End of Stroke feedback Leak Detection R End of Stroke NEC H End of Stroke Leak Detection ATEX IECEx NEC CEC L Leak Detection M Leak Detection ATEX IECEx NEC CEC E Solenoid 12 VDC NEC CEC F Solenoid 24 VDC NEC CEC J Solenoid ...

Page 3: ...uirements OPERATING AND SAFETY PRECAUTIONS READ UNDERSTAND AND FOLLOWTHIS INFORMATIONTO AVOID INJURY AND PROPERTY DAMAGE y Obtain Material Safety Data Sheets on all materials from the supplier for proper handling instructions WARNING EXPLOSION HAZARD Models containing alu minum wetted parts cannot be used with 1 1 1 trichlo roethane methylene chloride or other halogenated hydrocarbon solvents whic...

Page 4: ...fers high volume delivery even at low air pressure and a broad range of material compat ibility options available Refer to the model and option chart ARO pumps feature stall resistant design modular air motor fluid sections Air operated double diaphragm pumps utilize a pressure differential in the air chambers to alternately create suction and positive fluid pressure in the fluid chambers ball che...

Page 5: ... XM 94329 M 2 MSP Y328 237 4 T XXT 637309 XXT 637309 XT 94355 T 2 T 94330 A 2 SP Y328 237 4 T CENTER SECTION PART OPTIONS PM20X CSS XXX BXX ALUMINUM Stainless Steel PM20A CSS XXX BXX PM20S CSS XXX BXX Item Description size Qty Part No Mtl Part No Mtl 5 BackupWasher 2 96503 A 94357 2 SS 68 Air Cap 1 94715 1 A 94349 1 SS 69 Air Cap 1 94715 2 A 94349 2 SS 175 O Ring 3 32 x 1 OD 2 Y325 117 B 3 32 x 1 ...

Page 6: ...m grease Apply Lubriplate FML 2 grease to all O rings U cups and mating parts Used with PM20X CSS SXX BXX models only Apply Loctite 242 to threads at assembly Apply PTFE tape to threads at assembly Apply anti seize compound to threads COLOR CODE DIAPHRAGM BALL MATERIAL COLOR COLOR Santoprene Tan Tan Santoprene Green N A Backup PTFE White White 8 6 4 1 2 3 5 7 Torque Sequence 74 29 14 Diaphragm scr...

Page 7: ...5 valve housing 3 Install 137 and 242 O rings on 136 plug and assemble plug to 135 valve housing securing with 105 screws AIR MOTOR PARTS LIST Item Description size Qty Part No Mtl Item Description size Qty Part No Mtl 74 Plug 2 Y17 51 S SS 101 Center Body PM20A X X BXX 1 97031 A PM20S X X BXX 1 97040 SS 103 Bushing 1 97394 D 105 Screw M6 x 1 6g x 20 mm 4 95887 SS 111 Spool 1 95651 D 118 Actuator ...

Page 8: ...ATION SEALANTS NOTE DONOT OVERTIGHTEN FASTENERS ALL FASTENERS ARE METRIC Apply Lubriplate FML 2 grease to O rings U Cups and mating parts Apply Loctite 271 to threads at assembly 136 137 139 111 138 135 133 134 101 103 174 121 126 118 173 169 172 171 170 167 173 121 174 118 166 132 243 244 199 141 140 240 200 241 128 176 MAJOR VALVE A replacement Major Valve Service Assembly is available separatel...

Page 9: ...should be sized at least as large as the inlet thread diameter of the pump for proper flow if high viscosity fluids are being pumped Suction hose must be a non collapsing type capable of pulling a high vacuum y Check all joints on the inlet manifolds and suction con nections These must be air tight y Inspect the pump for solid objects logged in the dia phragmchamber or the seat area INLET OUTLET E...

Page 10: ...Page 10 of 12 PM20X X X BXX en ...

Page 11: ...PM20X X X BXX en Page 11 of 12 ...

Page 12: ...Page 12 of 12 PM20X X X BXX en PN 97999 1114 ...

Reviews: