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Mechanical Seal Guide
8-1; 8B1; 8B1RP ! ! !
8-1T; 8B1T ! !
8BVS ! !
85B1 !
48LP; 48MP; 48HP ! ! ! !
50 ! !
57B; 58U; 58B ! !
1648; 2648; 3648 ! ! ! !
3710 ! ! !
4610 ! ! ! !
5610; 5620 ! ! ! ! ! !
5860; 586 ! ! !
FFET ! ! ! ! !
FFZL; FFZT ! ! ! !
R0OL; R2OL ! ! !
RRAL ! !
RREL ! ! !
RREP; RRTP; RRDP ! !
SB1; SB2; SBW !
SE1; SE2; SEW !
U2EK; B2EK; R33; R34 !
9T; 9BT ! !
59U; 59B ! !
109; 109B; 9; 9B ! ! ! !
1; 2; 1M; 2M ! ! ! ! !
37FS; 37FSB ! ! ! !
43; 21 ! ! !
502 ! ! !
2100 ! ! ! !
5611 ! ! ! ! !
DR; 6; 6A !
MLE !
PRR ! !
604; 1604 ! ! !
605; 609; 2609; 3609 ! ! ! !
606 ! !
613 ! ! !
Note 1: A range of dry containment seals are also available in some dual seal cartridge arrangements.Note 2: Many Rotating Unit designs can be reconfigured to be a Stationary Unit design.Note 3: Although described as Unit Assemblies, many of these seals are often supplied in Engineered Cartridge designs.Note 4: All seal designs with the exception of those highlighted will be unsplit.
670; 1670 ! ! !
676; 680 ! ! ! ! !
5615; 5625 ! !
EZ-1 ! !
GL1B ! ! ! !
10T; 10R !
28AT; 28XP ! ! !
28ST ! ! !
285 ! ! !
2800; 2800HP ! ! !
2800E ! !
5280; 5281 (D, GD & W) ! !
CK728; CK738 (D, GD & W) ! ! ! ! !
FG0M; FG1M; FG2M; FG3M !
Air
/Ref
rige
rati
on C
ompr
essi
on
App
lianc
e
Wat
er S
yste
ms
Pow
er G
ener
atio
n
Min
ing
& M
iner
als
Food
& B
ever
age
Pulp
& P
aper
Chem
ical
/Pha
rmac
euti
cal
Petr
oche
mic
al
Pipe
line
Petr
oleu
m R
efin
ing
Oil
& G
asPr
oduc
tion
Industry
SealDesignGroup
PTFE Wedge
O-RingPusher
RubberBellows
MetalBellows
GasLubricated
PTFE Bellows
Vessel
ProductType
Cent
rif.
Hig
hD
uty
Pum
ps
Cent
rif.
API
Pro
cess
Pum
ps
Cent
rif.
Chem
ical
Pum
ps
Cent
rif.
Gen
eral
Purp
ose
Pum
ps
Cent
rif.
Slur
ry/S
ludg
ePu
mps
Cent
rif.
Hyg
ieni
cPu
mps
Posi
tive
Dis
plac
emen
tPu
mps
Oth
erSp
ecia
lised
Pum
ps
Posi
tive
Dis
plac
emen
tCo
mpr
esso
rs
Turb
oM
achi
nery
Com
pres
sors
Stea
m T
urbi
nes
Stee
l M
ixer
s
Gla
ss-L
ined
Mix
ers
! ! ! ! ! ! !
! ! ! !
! !
!
! !
! ! ! !
! ! ! !
! !
! ! !
! !
! ! ! ! !
! !
! ! ! ! ! !
! ! ! ! !
! ! ! !
! ! ! !
! ! ! !
! ! !
! ! !
!
! ! !
! ! !
! ! !
! ! ! ! !
! ! !
! ! !
! ! !
! ! !
! ! ! !
! ! !
! !
! !
! ! !
! !
! ! !
!
! !
! ! ! !
! ! ! ! ! !
! ! ! !
! ! ! !
! ! ! ! !
!
!
!
!
! ! ! ! !
! ! ! !
! !
! !
! !
Equipment
PTFE Bellows
SealDesignGroup
PTFE Wedge
O-RingPusher
RubberBellows
MetalBellows
GasLubricated
VesselNote 1: A range of dry containment seals are also available in some dual seal cartridge arrangements.Note 2: Many Rotating Unit designs can be reconfigured to be a Stationary Unit design.Note 3: Although described as Unit Assemblies, many of these seals are often supplied in Engineered Cartridge designs.Note 4: All seal designs with the exception of those highlighted will be unsplit.
8-1; 8B1; 8B1RP8-1T; 8B1T
8BVS85B1
48LP; 48MP; 48HP50
57B; 58U; 58B1648; 2648; 3648
37104610
5610; 56205860; 586
FFETFFZL; FFZT
R0OL; R2OLRRALRREL
RREP; RRTP; RRDPSB1; SB2; SBWSE1; SE2; SEW
U2EK; B2EK; R33; R34 9T; 9BT
59U; 59B109; 109B; 9; 9B
1; 2; 1M; 2M37FS; 37FSB
43; 2150221005611
DR; 6; 6AMLEPRR
604; 1604605; 609; 2609; 3609
606 613
670; 1670676; 680
5615; 5625EZ-1GL1B
10T; 10R 28AT; 28XP
28ST285
2800; 2800HP2800E
5280; 5281 (D, GD & W)CK728; CK738 (D, GD & W)FG0M; FG1M; FG2M; FG3M
ProductType
Note 1: A range of dry containment seals are also available in some dual seal cartridge arrangements.Note 2: Many Rotating Unit designs can be reconfigured to be a Stationary Unit design.Note 3: Although described as Unit Assemblies, many of these seals are often supplied in Engineered Cartridge designs.Note 4: All seal designs with the exception of those highlighted will be unsplit.
! ! ! !
! ! ! !
! ! ! !
! ! ! !
! ! ! ! !
! ! ! !
! ! ! !
! ! ! ! ! !
! ! ! !
! ! ! ! !
! ! ! ! ! ! ! !
! ! !
! ! ! ! ! ! !
! ! ! !
! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! ! !
! ! ! !
! ! ! !
! ! ! !
! ! ! !
! ! !
! ! !
! ! ! !
! ! ! ! !
! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! !
! ! !
! ! ! !
! ! ! ! !
! ! ! ! ! ! !
! ! ! !
! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! !
! ! ! ! !
! ! !
! ! !
! ! ! !
! ! ! ! ! !
! ! ! !
! ! ! !
! ! ! ! !
Stat
iona
ry U
nit
Des
ign
Dua
l Pre
ssur
ised
Sea
l
Dua
l Unp
ress
uris
ed S
eal (
Not
e 1)
Sing
le S
eal
Stan
dard
Car
trid
ge
Engi
neer
ed C
artr
idge
Uni
t Ass
embl
y (N
ote
3)
Exte
rnal
ly M
ount
ed D
esig
n
Rota
ting
Uni
t D
esig
n (N
ote
2)
API
682
Spe
cifi
cati
on
AN
SI B
73 S
tuff
ing
Box
Des
ign
EN 1
2756
(DIN
249
60) D
imen
sion
s
Seal Configuration
PTFE Bellows
SealDesignGroup
PTFE Wedge
O-RingPusher
RubberBellows
MetalBellows
GasLubricated
Vessel
ProductType
8-1; 8B1; 8B1RP8-1T; 8B1T
8BVS85B1
48LP; 48MP; 48HP50
57B; 58U; 58B1648; 2648; 3648
37104610
5610; 56205860; 586
FFETFFZL; FFZT
R0OL; R2OLRRALRREL
RREP; RRTP; RRDPSB1; SB2; SBWSE1; SE2; SEW
U2EK; B2EK; R33; R34 9T; 9BT
59U; 59B109; 109B; 9; 9B
1; 2; 1M; 2M37FS; 37FSB
43; 2150221005611
DR; 6; 6AMLEPRR
604; 1604605; 609; 2609; 3609
606 613
670; 1670676; 680
5615; 5625EZ-1GL1B
10T; 10R 28AT; 28XP
28ST285
2800; 2800HP2800E
5280; 5281 (D, GD & W)CK728; CK738 (D, GD & W)FG0M; FG1M; FG2M; FG3M
EquipmentStandards
! ! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! !
! ! ! ! !
! ! ! ! ! !
! ! ! ! ! ! !
! ! ! ! ! !
! ! ! ! ! ! !
! ! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! ! !
! ! ! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! !
! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! ! !
! ! ! ! ! !
! ! ! ! !
! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! !
! ! ! !
! ! ! ! ! !
! ! ! ! ! !
! ! ! !
! ! ! !
! ! ! ! !
! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! ! ! !
Incl
usiv
e of
Rad
ial B
eari
ngs
Exte
rnal
Spr
ing
Des
ign
Sing
le S
prin
g D
esig
n
Mul
ti S
prin
g D
esig
n
Split
Des
ign
(Not
e 4)
Uni
-Rot
atio
nal D
esig
n
Bi-R
otat
iona
l Des
ign
Que
nch
Feat
ure
incl
uded
Unb
alan
ced
Des
ign
Bala
nced
Des
ign
Size
Ran
ge >
100
mm
/4”
Inch
Siz
e Ra
nge
Met
ric
Size
Ran
ge
Seal Design AttributesSeal
Dimensions
Note 1: A range of dry containment seals are also available in some dual seal cartridge arrangements.Note 2: Many Rotating Unit designs can be reconfigured to be a Stationary Unit design.Note 3: Although described as Unit Assemblies, many of these seals are often supplied in Engineered Cartridge designs.Note 4: All seal designs with the exception of those highlighted will be unsplit.
SealDesignGroup
PTFE Wedge
O-RingPusher
PTFE Bellows
RubberBellows
MetalBellows
GasLubricated
Vessel
8-1; 8B1; 8B1RP8-1T; 8B1T
8BVS85B1
48LP; 48MP; 48HP50
57B; 58U; 58B1648; 2648; 3648
37104610
5610; 56205860; 586
FFETFFZL; FFZT
R0OL; R2OLRRALRREL
RREP; RRTP; RRDPSB1; SB2; SBWSE1; SE2; SEW
U2EK; B2EK; R33; R34 9T; 9BT
59U; 59B109; 109B; 9; 9B
1; 2; 1M; 2M37FS; 37FSB
43; 2150221005611
DR; 6; 6AMLEPRR
604; 1604605; 609; 2609; 3609
606 613
670; 1670676; 680
5615; 5625EZ-1GL1B
10T; 10R 28AT; 28XP
28ST285
2800; 2800HP2800E
5280; 5281 (D, GD & W)CK728; CK738 (D, GD & W)FG0M; FG1M; FG2M; FG3M
ProductType
North AmericaMorton Grove, Illinois USA
Tel: 1-847-967-2400Fax: 1-847-967-3915
1-800-SEALING
Europe, Africa and AsiaSlough, UK
Tel: 44-1753-224000Fax: 44-1753-224224
Asia PacificSingapore
Tel: 65-222-9161Fax: 65-223-5035
For the nearest John Crane location, please contact one of the locations above.
If the products featured will be used in a potentially dangerous and/or hazardous process, your John Crane representative should be consulted prior to their selection and use. In the interest of continuous development, John Crane Companies reserve the right to alter designs and specifications without prior notice. It is dangerous to smoke while handling products made from PTFE. Old and new PTFE products must not be incinerated.
©2001 John Crane Print June 01 www.johncrane.com ISO Certified B-MechSealGuide/Eng
Latin AmericaSão Paulo, Brazil
Tel: 55-11-3049-9979Fax: 55-11-3849-4511
