Double Sphere Union Type Rubber Expansion Joint
PN16
Fig. 8701.
Working Pressure and Temperature
Working pressure PN16.
Explosive Pressure 48 bar.
Vacuum Rating 400mmHg.
Temperature from -10℃ to 120℃ for EPDM.
Temperature from -10℃ to 82℃ for NBR.
Temperature from -10℃ to 110℃ for Neoprene.
Medium
Air, Water, Oil, Acid, Alkali etc.
Thread Types: NPT or BSP
Materials Specifications

Part Name

Material

Rubber

EPDM/NBR/Neoprene

Carcass

Nylon Cord Fabric

Reinforcing wire

Spring Steel wire

Flange

Carbon Steel, Zinc Plated






Dimensions (mm)

Size

L

Axial Compression

Axial Elongation

Lateral Movement

Angular Movement
α1+α2

20(3/4”)

200

22

5~6

22

45°

25(1”)

200

22

5~6

22

45°

32(1-1/4”)

200

22

5~6

22

45°

40(1-1/2”)

200

22

5~6

22

45°

50(2”)

200

22

5~6

22

45°

65(2-1/2”)

240

22

5~6

22

45°