2 pump lubricants – Flowserve CPXS User Manual

Page 20

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CPXS, CPXNS and CPXPS USER INSTRUCTIONS ENGLISH 71569250 07-11

Page 20 of 48

flowserve.com

5.2 Pump lubricants


5.2.1

Recommended oil lubricants

Oil

Splash / force feed lubrication

Viscosity cSt

@ 40 ºC

32

46

68

Oil temperature range *

-5 to 65 ºC

(23 to 149 ºF)

-5 to 78 ºC

(23 to 172 ºF)

-5 to 80 ºC

(23 to 176 ºF)

C

e

n

tr

if

u

g

a

l

p

u

m

p

lu

b

ri

c

a

ti

o

n

Designation to ISO 3448

and DIN51524 part 2

ISO VG 32

32 HLP

ISO VG 46

46 HLP

ISO VG 68

68 HLP

BP Castrol

Energol HLP-HM 32

Energol HLP-HM 46

Energol HLP-HM 68

ESSO

NUTO HP 32

NUTO HP 46

NUTO HP 68

ELF/Total

ELFOLNA DS 32

Azolla ZS 32

ELFOLNA DS 46

Azolla ZS 46

ELFOLNA DS 68

Azolla ZS 68

LSC (for oil mist)**

LSO 32 (Synthetic oil)

LSO 46 (Synthetic oil)

LSO 68 (Synthetic oil)

ExxonMobil

Mobil DTE 24

Mobil DTE 25

Mobil DTE 26

Q8

Q8 Haydn 32

Q8 Haydn 46

Q8 Haydn 68

Shell

Shell Tellus 32

Shell Tellus 46

Shell Tellus 68

Chevron Texaco

Rando HD 32

Rando HD 46

Rando HD 68

Wintershall (BASF Group)

Wiolan HS32

Wiolan HS46

Wiolan HS68

O

il

c

o

m

p

a

n

ie

s

a

n

d

lu

b

ri

c

a

n

ts

Fuchs

Renolin CL 32

Renolin CL 46

Renolin CL 68

* Note that it normally takes 2 hours for bearing temperature to stabilize and the final temperature will depend on the ambient, r/min, pumpage
temperature and pump size. Also some oils have a very low pour point and good viscosity index which extend the minimum temperature
capability of the oil. Always check the grade capability where the ambient is less than -5 ºC (23 ºF).



5.2.2

Bearing sizes and capacities

Model

Oil lubricated

bearings

Grease

lubricated

bearings

Oil capacity

(approx)

litres (fl. oz.)

80

6208C3

6208ZZ C3

0.235 (8.2)

100

6208C3

6208ZZ C3

0.235 (8.2)

150

6210C3

6210ZZ C3

0.430 (15.1)


Note: the bearing sizes do not constitute a
purchasing specification.

Grease lubricated bearing housings are fitted with
"sealed for life" bearings.

5.2.3

Lubrication schedule


5.2.3.1

Oil lubricated bearings

Normal oil change intervals are 4 000 operating
hours or at least every 6 months. For pumps on hot
service or in severely damp or corrosive
atmosphere, the oil will require changing more
frequently.

Lubricant and bearing temperature analysis can be
useful in optimizing lubricant change intervals.



The lubricating oil should be a high quality mineral
oil having foam inhibitors. Synthetic oils may also be
used if checks show that the rubber oil seals will not
be adversely affected.

The bearing temperature may be allowed to rise to
50 ºC (90 ºF) above ambient, but should not exceed
82 ºC (180 ºF) (API 610 limit). A continuously rising
temperature, or an abrupt rise, indicates a fault.

Pumps which handle high temperature liquids may
require their bearings to be cooled to prevent
bearing temperatures exceeding their limits.

5.2.3.2

Grease lubricated bearings

The bearings are sealed for life.

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