Type B3
Rubber Expansion Joint

Standard model single-arch rubber expansion joint composed of single-layer rubber bellow, for mounting with internal-external threads on the pipeline.

Available in various rubber qualities depeding on the flow media, different materials for couplings and standard install lengths. Double-arch constructions are available on request.

LINKFor detailed technical specifications on Type B3 rubber expansion joints please check the following table and documents or contact us.

Properties

  • high flexiblility, universal movements
  • installation wih internal-external threads
  • various rubber qualities

Documents

Product Data Sheet
Category Brochure
Installation & Servicing
Materials Compability
Type B3 (internal-external thread) - Rubber Expansion Joint | 3D view
Type B3 (internal-external thread) - Rubber Expansion Joint | 3D view
Type B3 (internal-external thread) - Rubber Expansion Joint | dimensional sketch
Type B3 (internal-external thread) - Rubber Expansion Joint | dimensional sketch

Technical Specifications

TypeSeriesSizePressureMovements

 RangeClassAxial [+/mm]Lateral [+/mm]Angular [+/deg]
RubberB3DN20-DN50PN16yes *yes *yes *
TypeRubber
SeriesB3
Couplingsmixed threads
Size / RangeDN20-DN50
PressurePN16
Axialyes *
Lateralyes *
Angularyes *

* acc. to individual design or standard program

Rubber Quality Chart

RubberMarkColorCommonMax. Allowed
Quality
ApplicationsTemperature
NEOPRENEgreywater70 °C
EPDMredwarm / industrial water90 °C
EPDM-SPredhot water / heating systems110 °C
NITRILyellowoils80 °C
NITRILwhitefood grade applications80 °C
HYPALONgreenacids80 °C
BUTYLbluepotable water90 °C
VITONpurplestrong acids90 °C
GummiZeichenFarbeVerbreitetMax. erlaubt
Qualität
AnwendungenTemperatur
NEOPRENEgrauWasser70 °C
EPDMrotwarm / industrielles Wasser90 °C
EPDM-SProtWarmwasser / Heizsysteme110 °C
NITRILgelbÖle, Mineralfette80 °C
NITRILweißLebensmittelqualitätsanwendungen80 °C
HYPALONgrünSäuren80 °C
BUTYLblauTrinkwasser90 °C
VITONlilastarke Säuren, aromatische Lösungsmittel90 °C

* for proper identification of the required rubber quality, please check our complete Rubber Compatibility Chart

Standard Program

Nominal
Diameter

Overall
Length


SW1


SW2


Movements

[mm]

[inch]

[mm]

[mm]

[mm]

Axial[+/-mm]      

Lateral[+/-mm]

Angular[+/-deg]

20

3/4"

207 

36

80

30

30

30

25

1"

214

40

80

30

30

30

32

1 1/4"

221

48

80

30

30

30

40

1 1/2"

226

53

90

30

30

30

50

2"

235

66

110

30

30

30