| 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
|
Techmical Consition
Working pressure |
1.0MPa(10kgf/cm2)
|
Deflecting angle
|
(a1+a2)45C
|
|
Bursting pressure
|
3.0MPa(30kgf/cm2)
|
VACUITY
|
53.3KPa(400mm Hg)
|
|
Applicable temp.
|
-20～+115C
|
|
Applicable media
|
Air.Compressed air,water,sea,water,hot water,weak,acid,etc.
|
Table of Nominal Core Diameter of Pige,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
|
5-6
|
22
|
22
|
|
20
|
3/4
|
180
|
200
|
5-6
|
22
|
22
|
|
25
|
1
|
180
|
200
|
5-6
|
22
|
22
|
|
32
|
1 1/4
|
200
|
200
|
5-6
|
22
|
22
|
|
40
|
1 1/2
|
210
|
200
|
5-6
|
22
|
22
|
|
50
|
2
|
220
|
200
|
5-6
|
22
|
22
|
|
65
|
2 1/2
|
240
|
240
|
5-6
|
22
|
22
|
|
80
|
3
|
240
|
5-6
|
22
|
22
|
|
