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Fluid couplings use requirements and instructions

Ningbo E.H Hydraulic Co.,Ltd | Updated: Apr 13, 2016

Fluid coupling oil N32 is recommended (GB443-86) machine oil and other lubricating oils can also be used, but non-oil mixtures, and the performance indicators should meet the following requirements.

Performance requirement

Specific gravity (g/cm3) ≥ 0.870

40 ℃ viscosity (mm2/s) ~32

Pour point (℃) ≤-25

Flash point (℃) 200~300

Flash point (℃) ≥ 180


Hydraulic coupler and piping installed (internal pipe must be guaranteed clean and litter-free), remove installed connect the external tubing to pickling, keep the lines clean after loading, open box hydraulic air filter cover for refueling, refueling to the coupling to the oil level window top position. Each installation or repair is completed, you must check the oil, and even oil, to ensure quality to meet the requirements, and then to start the pump and turn the system on. Later sampled on a regular basis, depending on the oil changed regularly.

Cooling should be carried out according to the product instructions for use and maintenance (cooling instructions for use provided in the product).

Coupling installation, disassembly and maintenance, installation, removal and maintenance manual (product availability).


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