L2
For the pumping of lightly aggressive, high viscosity fluids with poor lubricity for low pressure operation at max. 16 bar (232 psi).
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L3N
For low viscosity fluids with good lubricity in the low pressure range 16 bar (232 psi).
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L3M
For low to high viscosity fluids with good lubricity in the medium pressure range 100 bar (1,450 psi).
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L3H
For lightly abrasive, low viscosity fluids with good lubricity up to 160 bar (2,320 psi)
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L4
For aggressive, abrasive, low viscosity fluids with no lubricity in the medium pressure range up to 40 bar (580 psi).
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L5
For non-aggressive and lightly abrasive fluids with good lubricity for low pressure operation at max. 10 bar (150 psi)
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