14
General
CRL/EN (1810) 2.2
2.3
Type code
Pumps are available in various designs. The main characteristics of the pump are shown
in the type code.
Example:
CRL 50A-200 OH3 A-8 1CW-FX
Pump family
CRL
C
ombiP
r
o
L
ine
Pump designation
OH3
vertical, in-line
OH4
close-coupled, vertical, in-line
Pump size
50A
discharge connection [mm]. A and B design pump types have the same
designation though they have different hydraulic performances
200
nominal impeller diameter [mm]
Pump casing material according to API 610
S-1
carbon steel
S-6
carbon steel
S-8
carbon steel
C-6
12% CHR
A-8
316 AUS
D-1
duplex
D-2
super duplex
Impeller material according to API 610
S-1
cast iron
S-6
12% CHR
S-8
316 AUS
C-6
12% CHR
A-8
316 AUS
D-1
duplex
D-2
super duplex
Shaft sealing code according to API 682
Arrangement 1
1CW-FX
Contacting single wet seal with a fixed throttle bushing
1CW-FL
Contacting single wet seal with a floating throttle bushing
Arrangement 2
2CW-CW
Liquid buffer fluid, Dual contacting wet seals
2CW-CS
Gas buffer fluid or no buffer fluid, Contacting wet inner seal with a
containment seal
2NC-CS
Gas buffer fluid or no buffer fluid, Non-contacting inner seal with a
containment seal
Arrangement 3
3CW-FB
Liquid barrier fluid, Contacting wet seals in a face-to-back configuration
3CW-BB
Liquid barrier fluid, Contacting wet seals in a back-to-back configuration
3CW-FF
Liquid barrier fluid, Contacting wet seals in a face-to-face configuration
3NC-BB
Gas barrier fluid, Non-contacting seals in a back-to-back configuration
3NC-FF
Gas barrier fluid, Non-contacting seals in a face-to-face configuration
3NC-FB
Gas barrier fluid, Non-contacting seals in a face-to-back configuration
Summary of Contents for Johnson Pump CombiProLine OH3
Page 2: ......
Page 4: ...2 EC EN 1712 6 0 ...
Page 6: ...4 INT EN 1512 1 2 ...
Page 10: ...8 CRL EN 1810 2 2 ...
Page 20: ...18 General CRL EN 1810 2 2 ...
Page 40: ...38 Dimensions CRL EN 1810 2 2 ...
Page 52: ...50 Parts CRL EN 1810 2 2 ...
Page 66: ...64 ORDFORM 1512 3 3 EN ...