2025-05-30

What equipment mainly uses hydraulic pumps?

Hydraulic pump selection should consider the operating conditions of the equipment. For example, plunger pumps (efficiency >90%) are preferred for high-pressure scenarios, while gear pumps (strong anti-pollution capability) are suitable for low-pressure scenarios.
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2025-05-30

Tips for using hydraulic bolt tensioners

No-load test: For initial use, tighten the unloading valve handwheel clockwise, and use the manual pump to pressurize the piston rod reciprocating 3-5 times to exhaust internal air and verify that the reset function is normal.
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2025-05-30

Bolt tool usage and bolt installation requirements

After installation, the torque of the critical part bolts needs to be re-measured, and the anti-loosening mark status should be checked regularly.
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