The amount of energy absorbed is the main technical performance indicators fender instruments. With the ship's tonnage growth, berthing operations, ship collision energy contact quay or other ships also doubled. Huge collision energy must rely on the contact area on the fender and enough to absorb sufficient deformation. Our ship fender use compressed air as the buffer medium to absorb ship impact energy and have good elasticity.
(4)Floating performance is good, not subject to tidal influence, fender can be maintained in the ideal level
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Pneumatic fenders floating on the water surface (more than 50% of the volume), along with the change of position is not relative to the tidal fluctuation. Especially the ship as the waves rolling, cylindrical inflatable fenders with rolling, the friction force is very small. So it will not damage the coating surface of the hull, and also decrease the moving.
Size | Initial internal pressure |
Guaranteed energy absorption                  GEA(kJ) |
Reaction force at GEA deflection                        R((kN)) |
D×L(m) | (Kpa) |
Minimum value at deflection 60±5% |
Tolerance ±10% |
0.5×1.0 | 50 | 6 | 64 |
0.6×1.0 | 50 | 8 | 74 |
0.7×1.5 | 50 | 17 | 137 |
1.0×1.5 | 50 | 32 | 182 |
1.0×2.0 | 50 | 45 | 257 |
1.2×2.0 | 50 | 63 | 297 |
1.35×2.5 | 50 | 102 | 427 |
1.5×3.0 | 50 | 153 | 597 |
1.7×3.0 | 50 | 191 | 639 |
2.0×3.5 | 50 | 308 | 875 |
2.5×4.0 | 50 | 663 | 1381 |
2.5×5.5 | 50 | 943 | 2019 |
3.0×5.0 | 50 | 1210 | 2104 |
3.0×6.0 | 50 | 1485 | 2583 |
3.3×4.5 | 50 | 1175 | 1884 |
3.3×6.0 | 50 | 1675 | 2783 |
3.3×6.5 | 50 | 1814 | 3015 |
3.3×10.6 | 50 | 3067 | 5257 |
4.5×9.0 | 50 | 4752 | 5747 |
4.5×12.0 | 50 | 6473 | 7984 |
Forced circulation in chemical process, mariculture, urban gas engineering, water treatment system. This series of pumps can economically and effectively transport large flow, low head, uniform or containing certain particles, chemically neutral or corrosive liquids (strong corrosive liquids need to be specified). The pump has high efficiency and low energy and sand consumption; the energy consumption of the pump in the entire performance range is uniform, and the pump can be started with the valve closed, and the motor will not be overloaded;
Chemical Mixed Flow Pump,Mixed Flow Pump,Mixed Flow Centrifugal Pump,Vertical Mixed Flow Pump
Jiangsu Qiantu Trading Co., Ltd. , https://www.jsqtprimingpump.com