Selection Guide
Seal Selection Chart
PUMP SERIES
SHAFT SIZE*
ELASTOMER MATERIAL
SEAL BODY CONSTRUCTION
TUNGSTEN CARBIDE “TC” OR
CERAMIC “CER”
BOOSTER PUMP
1522, “60”AA, PD35-37, “90”AA
1535
PD38-39-40, “60”A, “90”A
1512
1510, 1531, SERIES 80
1510-S, 1531-S, SERIES 80-S
1510-D, 1531-D, SERIES 80-D
1510 “XL”
1510-S “XL”
UNIVERSAL
1531 “D” SIZE
VSC, VSCS PUMPS
VSC-S, VSCS-S PUMPS
VSC-D, VSCS-D PUMPS
3530 PUMP
3510, 3531 PUMPS
SEAL KIT NUMBER
SEAL ONLY NUMBER
(LESS SEAT INSERT)
BUNA-N BRASS CER X X X
BUNA-N STEEL CER X X
1
/
2
" EPT BRASS TC X X
TEFLON STAIN.STL. CER X
VITON STAIN.STL. CER X X
EPT STAIN.STL. CER
5
/
8
"
VITON STAIN.STL. CER
BUNA-N STAIN.STL. CER
VITON STAIN.STL. –
BUNA-N BRASS CER X X X
BUNA-N STEEL CER X X
3
/
4
"
EPT BRASS TC X X
EPT STEEL TC X X
TEFLON STAIN.STL. CER X
1" BUNA-N BRASS CER X
BUNA-N BRASS CER X X
BUNA-N STAIN.STL. CER X X
EPT BRASS TC X X
VITON BRASS – X X
1
1
/
4
"
TEFLON STAIN.STL. CER X X
EPR STAIN.STL. TC X
EPR STAIN.STL. CER X
BUNA-N STAIN.STL. CER
EPT STAIN.STL. –
VITON STAIN.STL. –
VITON STAIN.STL.
TC/SC** X
BUNA-N BRASS CER X
1
3
/
8
" EPT BRASS TC X
EPT BRASS CER X
BUNA-N BRASS CER X X
BUNA-N STAIN.STL. CER X X
EPT BRASS TC X X
1
5
/
8
"
EPR STAIN.STL. TC X X
EPR STAIN.STL. CER X X
BUNA-N STAIN.STL. CER
EPT STAIN.STL. –
VITON STAIN.STL. –
VITON STAIN.STL.
TC/SC** X
BUNA-N BRASS CER X
1
3
/
4
" EPT BRASS CER X
EPT BRASS TC X
2"
EPR STAIN.STL. TC X
EPR STAIN.STL. CER X
BUNA-N BRASS CER X X
2
3
/
8
"
EPT BRASS CER X X
EPT BRASS TC X X
EPR STAIN.STL. TC X
EPR STAIN.STL. TC X
2
5
/
8
" EPR STAIN.STL. CER X
BUNA-N STAIN.STL. CER X
BUNA-N STAIN.STL. CER X
3
3
/
4
" EPR STAIN.STL. TC X
EPR = ETHYLENE PROPYLENE (not oil resistant)
EPT = ETHYL PROPYLENE TERPOLYMER (not oil resistant)
*To determine shaft size, refer to individual pump series parts list
**Silicon Carbide
Bell & Gossett
ITT Fluid Technology Corporation
118681 118680
186681
185230 118682
185226 P59860
186875 P59861
186876
186496
X 186879
X P80824
186499
186433
185223
185224
185227 P59880
186682
186862
186860
186861
185060
185228
P85070
P85066
X 186877
X P70512
X P70513
P59571
186827
186834
186829
186543
186544
185225
185050
186843
X 186878
X P70515
X P70516
P59572
186826
186830
186835
185051
186844
186828
186831
186836
P63308
185052
186845
185054
185055
185053
BELL & GOSSETT
DATA SHEET
CP-519F