covering limited expansion joint advantages:
1.easy to installation and maintanance
2.anticorrossion and excellent seal service
3.novel structure and high yeild
4.packaging
5.tensile
technical parameter
NO. Name Qty Material
1 body 1 QT400/Q235A/ZG230
2 gasket 1 NBR
3 follower 1 QT400/Q235A/ZG230
4 limited short pipe 1 Q234A/20/16Mn
5 bolt n Q235A/1Cr8Ni9Ti
6 nut 5n Q235A/1Cr8Ni9Ti
2011 hot sale gland limited expasion joint