sales@pstseals.com

+44 1323 646721

PRECISION SEALING TECHNOLOGY  LTD

 

Commonly Used Medias For Hydraulic Systems

Rate this item
(1 Vote)

2.0. COMMONLY USED MEDIAS (FLUIDS) FOR HYDRAULIC SYSTEMS

These oils, which comply with the DIN 51524 standards, are commonly used in hydraulic systems. There are 5 different categories.
 

DIN 51524 MİNERAL OILS 

MEDIA 

STANDARD

SPECIFICATIONS 

APPLICATION AREA 

INTERNATIONAL TERMİNOLOGY 

H-L Type Oils 

DIN-E 51524 part 1

Contains oxidisation retardant and rustproofing agent. 

General Usage 

HL

H-LP Type Oils 

DIN-E 51524 part 2

H-L Type oils are added to prevent abrasion. 

High Pressure Systems 

HM

H-V Type Oils 

DIN-E 51524 part 3

H-LP Type oils are added as a heat regulating agent. 

Various Temperature Systems 

HV

H-LPD Type Oils 

        

H-LP Type oils contain only a limited amount of detergent and water. 

Processes in which water is used
-Prevents the build up of deposits 

        

H-D Motor Oils 

API-CC
API-CD
API-SE

Oxidisation and rustproofing agent which reduces abrasion. 

Mobile Hydraulic Systems 

        


However, it may not always be possible to use mineral oils in hydraulic systems. It is important to consider the type of media being used when choosing the appropriate seals.
The table below shows commonly used media types and the areas in which they are used.

 

 MATERIAL 

Imflammable Hydraulic oils - VDMA 24317 or DIN 24320 standards 

HFA

HFB

HFC

HFD

70 NBR

55

60

60

    

80 NBR

55

60

60

    

90 NBR

55

60

60

    

70 FKM

55

60

60

150

80 FKM

55

60

60

150

90 FKM

55

60

60

150

80 PU

40

40

40

    

90 PU

40

40

40

    

PTFE

    

 

 

 

TPE

40

40

40

    

POM

55

60

60

80

Read 117380 times Last modified on Thursday, 09 June 2016 15:05

 

CONTACT US

DOWNLOAD CATALOGUE

PRODUCT ENQUIRY FORM