U-Cup for Pallet Mule U-Cup
PU B-1-18-5/8
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Compatibility
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Reference Diagrams
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Product Description
U-CUP
Compatibility: Fits pallet jacks made by Pallet Mule, model U-CUP. Alternate model: UCUP; U CUP. SKU: PU B-1-18-5/8
Frequently Asked Questions
Q: What is the PU B-1-18-5/8 U-cup seal?
A: The PU B-1-18-5/8 is a U-cup hydraulic seal with a 5/8-inch bore diameter. It seals the piston rod in manual pallet jack cylinders, preventing fluid leakage and maintaining lifting pressure. The polyurethane construction provides durability in industrial hydraulic applications.
Q: What equipment does the PU B-1-18-5/8 fit?
A: This U-cup is compatible with Pallet Mule model U-CUP pallet jacks with 5/8-inch piston rods. Also referenced as UCUP or U CUP model. Measure your cylinder rod diameter to confirm 5/8 inch before ordering.
Q: What are the material properties of the PU B-1-18-5/8?
A: The seal uses polyurethane, which offers excellent resistance to hydraulic fluid, temperature fluctuations, and repeated compression cycles. Polyurethane maintains its elasticity and sealing properties over extended service periods in manual pallet jack applications.
Q: What failure symptoms indicate U-cup replacement is needed?
A: Warning signs include visible hydraulic leakage around the piston rod, reduced lifting speed, inability to maintain load at height, jerky or uneven lift motion, and contaminated (dark or cloudy) hydraulic fluid. Any of these symptoms requires prompt U-cup replacement to prevent equipment damage.
