Flowserve Durco Mark 3 ISO Frame Mounted Manual de usuario descargar pdf (Pagina 21)

DURCO MARK 3 ISO FRAME MOUNTED ENGLISH 85392719 12-14

Page 21 of 52 flowserve.com

Where an adjustable body Denco oiler is fitted this should

be set to the height shown in the following diagram.

The oil filled bottle should then be refitted so as to

return it to the upright position.

Filling should be repeated until oil remains visible within

the bottle. Approximate oil volumes are shown in

section 5.2.2, Bearing sizes and capacities.

Grease lubricated pumps and electric motors are

supplied pre-greased.

Where the ambient temperature is very low, special

lubricants are required. Where oil lubrication is utilized

and the ambient is less than -5 °C (23 °F) ensure the oil

pour point is at least 15 °C (27 °F) lower than the

ambient, or use oil class SAE 5W-50 or API-SJ and

ensure the upper operating range of the oil is then not

exceeded. IS0 VG 46 oil is generally selected for an

initial lubrication schedule.

Other drivers and gearboxes, if appropriate, should be

lubricated in accordance with their manuals.

5.2 Pump lubricants

5.2.1 Recommended oil lubricants

* 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).

** If preheated pure oil mist lubrication, LCS LSO 68 or LSO 100 synthetic oils are permitted.

†

Use LSC for oil mist. Oil parameters provide flash point >166 ºC (331 ºF), density >0.87@15 ºC (59 ºF), pour point of -10 ºC (14 ºF) or lower.

*** ExxonMobil SHC 524 synthetic oil has a pour point temperature of -54 ºC. This oil can be used for ambient temperature as low as -50 ºC.

5.2.2 Bearing sizes and capacities

Frame size

Grease lubricated

medium duty bearings

Grease lubricated

heavy duty bearings

Grease lubricated bearing capacities

g (oz.)

Pump end

Drive end

Pump end

Drive end *

Pump end

Drive end

6207 Z C3

6309 Z C3

6311 Z C3

6313 Z C3

3306 Z C3

3309 Z C3

3311 Z C3

3313 Z C3

6207 Z C3

6309 Z C3

6311 Z C3

6313 Z C3

7306 pair back-to-back

7309 pair back-to-back

7311 pair back-to-back

7313 pair back-to-back

6 (0.2.)

13 (0.5)

18 (0.6)

20 (0.7)

14 (0.5)

25 (0.9)

35 (1.2)

46 (1.6)

* Nilos ring fitted into bearing locknut [3712.2]

Centrifugal

pump lubrication

Oil

Splash / force feed / purge and pure **oil mist lubrication

Viscosity cSt @ 40 ºC

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)

Designation to ISO 3448 and DIN51524 part 2

ISO VG 32

32 HLP

ISO VG 46

46 HLP

ISO VG 68

68 HLP

Oil companies and lubricants

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 only – long life)

†

LSO 32 (synthetic oil)

LSO 46 (synthetic oil)

LSO 68 (synthetic oil)

ExxonMobil (mineral oil)

†

Mobil DTE 24

Mobil DTE 25

Mobil DTE 26

ExxonMobil (oil bath only – long life)

†

Mobil SHC524

(synthetic oil) ***

Mobil SHC525

(synthetic oil)

Mobil SHC526

(synthetic oil)

†

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

Fuchs

†

Renolin CL 32

Renolin CL 46

Renolin CL 68

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