Double Sphere Screwed Rubber Expansion Joints

Product details

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Double Sphere Screwed Rubber Expansion Joints
Table of Materials
Serial No.
Portion
Material
1
Main body
Polarized rubber
2
Lining
Nylon cord fabric
3
Frame
Hard steel wire
4
Union
Forgeable cast iron
Technical Conditions
Parameter
3/4" --- 3"
Working pressure (MPa)
1.0
Bursting Pressure (MPa
3.0
Vacuity (mmHg)
400
Table of Nominal Core Diameter of Pipe,Axial displacement,and Lateral Displacement
Nominal core dia.DN
L Value
(mm)
Axial displacement (mm)
Lateral displacement
(mm)
(in.)
Stretch(mm)
Compression
15
1/2
200
6
22
45
20
3/4
200
6
22
45
25
1
200
6
22
45
32
1 1/4
200
6
22
45
40
1 1/2
200
6
22
45
50
2
200
6
22
38
65
2 1/2
200
240
6
22
38
80
3
200
240
6
22
38