Type A1-T
Rubber Expansion Joint

Standard model single-arch rubber expansion joint composed of single- or multi-layer rubber bellow with tie rods system, for mounting with swivel flanges directly on the pipeline.

Available in various rubber qualities depeding on the flow media, custom install lengths and different standards and meterials for the flanges. Optional support ring for vacuum applications is available on request.

For detailed technical specifications on Type A1T rubber expansion joints please check the following table and documents or contact us.

Properties

  • high flexiblility, universal movements
  • simple installation with flanges
  • various rubber qualities
  • suitable for vacuum
  • tie-rods system
Type A1T (with tie rods) - Rubber Expansion Joint | 3D view
Type A1T (with tie rods) - Rubber Expansion Joint | 3D view
Type A1T (with tie rods) - Rubber Expansion Joint | dimensional sketch
Type A1T (with tie rods) - Rubber Expansion Joint | dimensional sketch

Technical Specifications

TypeSeriesSizePressureMovements

RangeClassAxial [+/mm]Lateral [+/mm]Angular [+/deg]
RubberA1-TDN20-DN2000up to PN16yes *yes *yes *
TypeRubber
SeriesA1-T
Couplingsflanges
Range / SizeDN20-DN2000
Thrust RestraintDN20-DN2000
Pressureyes
Axialyes *
Lateralyes *
Angularyes *

* acc. to individual design or standard program
** other sizes and/or pressure class on request

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

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

Standard Program

Nominal

Overall

Movements

Diameter
[mm]

Length
[mm]

Axial
[+/-mm]

Lateral
[+/-mm]

Angular
[+/-deg]

20

130 

30

30

35 

25

130 

30

30

35 

32

130 

30

30

35 

40

130 

30

30

35 

50

130 

30

30

35 

65

130 

30

30

30

80

130 

30

30

35 

100

130 

30

30

25

125

130 

30

30

25

150

130 

30

30

20

200

130 

30

30

15

250

130 

30

30

10 

300

130 

30

30

10 

350

130 

30

30

10

* for sizes above DN350 please ask for individual quotation
** other lengths available on request.