Twin Sphere Union Type Expansion Joint

Material Information 

Serial No.

Item 

Material

1

Body

  NBR, EPDM, Neoprene

2

Lining

Nylon

3

Rod 

Hard steel wire

4

Union

Malleable  iron

Technical Specifications

Nominal Core Diameter

DN20 ～ DN80 (3/4" ～ 3")

Working Pressure

1.0 MPa

Bursting Pressure

3.0 MPa

Vacuum

400 mmHg

Applicable Tempreature

-20°C ～ 115°C

Applicable Media

Air, compressed air, water, sea water, hot water, weak acid, etc.

Thread Standards: DIN 2999, NPT and BSPT

Nominal

Length (L)

Axial   Displacement

Lateral   Displacement

Angle of Deflection

Stretch

Compression

DN

Inch

mm

mm

mm

mm

a1 a2

15

1/2"

180

5 - 6

22

22

45°

20

3/4"

180

5 - 6

22

22

45°

25

1"

180

5 - 6

22

22

45°

32

1-1/4"

200

5 - 6

22

22

45°

40

1-1/2"

210

5 - 6

22

22

45°

50

2"

220

5 - 6

22

22

45°

65

2-1/2"

245

5 - 6

22

22

45°

80

3"

245

5 - 6

22

22

45°