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Pump Matrix
310622L 25
Pump Matrix
3150 Stainless Steel Sanitary Pumps
Your Model No. is marked on the pump’s serial plate. To
determine the Model No. of your pump from the follow-
ing matrix, select the six digits which describe your
pump, working from left to right. The first digit is always
S, designating Graco Sanitary diaphragm pumps. The
remaining five digits define the pump configuration, size,
and materials of construction. For example, a sanitary
ball check pump with a three inch inlet and outlet, San-
toprene balls and diaphragms, a pump stand, and no
leak detector is model
SB3661. To order replace-
ment parts, refer to the part lists on pages 26 - 31. The
digits in the matrix do not correspond to the reference
numbers in the parts drawing and lists.
1590 Stainless Steel Sanitary Pumps
The table below shows all available configurations for 1590 Stainless Steel Sanitary Pumps.
Sanitary
Pump
Pump
Configuration
Inlet and Outlet
(in.)
Diaphragm Check Ball
Material
Leak Detector,
Pump Stand
S - (for all pumps)
A 3A Approved 1 1 1/2 x 1 1/2 A 3A Approved
(EPDM)
A 3A Approved
(PTFE)
A Leak Detec-
tor and Pump
Stand
B Ball Check 2 2 x 2
6 Santoprene
®
6 Santoprene
®
1 Pump Stand
F Flapper Check 3 3 x 3 7 Buna-N 7 Buna-N 3 None
4 4 x 4 8 fluoroelas-
tomer
8 fluoroelas-
tomer
5 3 x 2 F Flapper
PNONE
Model Number Pump
Configuration
Inlet and Outlet
(in.)
Check Valve
Style
Check Ball Mate-
rial
Diaphragm
Material
SABAAA 3A Approved 2 x 2 3A Ball Checks 3A PTFE 3A Approved
EPDM
SBBAAA Non-3A Approved
No Leak Detector
2 x 2 3A Ball Checks 3A PTFE 3A Approved
EPDM
SBBA11 Non-3A Approved
No Leak Detector
2 x 2 3A Ball Checks (3A) PTFE PTFE
SBBA22 Non-3A Approved
No Leak Detector
2 x 2 3A Ball Checks Santoprene Santoprene