INGERSOLL RAND COMPANY LTD
P.O. BOX 151 y ONE ARO CENTER y BRYAN, OHIO 43506-0151
(800) 276-4658 y FAX (800) 266-7016 © 2010 CCN 15242647
www.ingersollrandproducts.com
OPERATOR’S MANUAL 666250-XXX-C
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE RELEASED: 3-13-06
REVISED: 5-5-10
(REV. 07)

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.
The original language of this manual is English.
SERVICE KITS
Refer to Model Description Chart to match the pump material op-
tions.
637434 for air section repair (see page 6).
637432-XX for  uid section repair (see page 4).
PUMP DATA
Models . . . . . . . . . . . . . . . . . see Model Description Char t for “-XXX”
Pump Type . . . . . . . . . . . . . Metallic Air Operated Double Diaphragm
Material . . . . . . . . . . . . . . . . see Model Description Chart
Weight . . . . . . 6662X0-XXX-C . . . . . . . . . . . . 65.15 lbs (29.55 kgs)
6662X1-XXX-C . . . . . . . . . . . . 129.93 lbs (58.94 kgs)
6662X2-XXX-C . . . . . . . . . . . . 124.30 lbs (56.38 kgs)
6662XA-XXX-C . . . . . . . . . . . 65.15 lbs (29.55 kgs)
6662XB-XXX-C . . . . . . . . . . . 129.93 lbs (58.94 kgs)
6662XC-XXX-C . . . . . . . . . . . 124.30 lbs (56.38 kgs)
Maximum Air Inlet Pressure . . . . . . . . . . . 120 p.s.i.g. (8.3 bar)
Maximum Material Inlet Pressure . . . . . . 10 p.s.i.g. (0.69 bar)
Maximum Outlet Pressure . . . . . . . . . . . . . 120 p.s.i.g. (8.3 bar)
Maximum Flow Rate ( ooded inlet) . . . 172 g.p.m. (651.0 l.p.m.)
Maximum Particle Size . . . . . . . . . . . . . . . . 1/4” dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seal / seat
material)
E.P.R. / EPDM . . . . . . . . . . . . . . . . . . . -60° to 280° F (-51° to 138° C)
Hytrel® . . . . . . . . . . . . . . . . . . . . . . . . . -20° to 150° F (-29° to 66° 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 8
Noise Level @ 70 p.s.i., 60 c.p.m.
c
. . . . . . 85.3 db(A)
d
c
Tested with 94810 mu er assembly installed.
d
The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (LAeq) to meet the intent of ANSI
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.
Figure 1
MODEL DESCRIPTION CHART
6662 X X - X X X - C
Center Body Material / Fluid Connection
5 - Aluminum / 2 - 11-1/2 NPTF - 2
7 - Aluminum / Rp 2 (2 - 11 BSP parallel)
Ball Material
2 - Nitrile C - Hytrel
4 - PTFE E - Santoprene
A - 316 Stainless Steel
Example: Model #666250-1EB-C
Fluid Section Service Kit # 637432-EB
6662XX - X X X - C
Ball Diaphragm
637432 - X X
Fluid Cap & Manifold Material / Hardware
0 - Aluminum / Carbon steel
1 - Stainless Steel / Carbon Steel
2 - Cast Iron / Carbon Steel
A - Aluminum / Stainless Steel
B - Stainless Steel / Stainless Steel
C - Cast Iron / Stainless Steel
Diaphragm Material
2 - Nitrile 9 - Hytrel
4 - PTFE / Santoprene B - Santoprene
Seat Material
1 - Aluminum 8 - Hard Stainless Steel
2 - 316 Stainless Steel 9 - Hytrel
4 - Kynar PVDF E - Santoprene
5 - Carbon Steel G - Nitrile
Fluid Section Service Kit Selection