Product Description
Ball Valve Seat
Compatibility: Fits pallet jacks made by Dayton, model 4YX97. SKU: DA B138-97
Frequently Asked Questions
Q: Which pallet jack models use the DA B138-97 ball valve seat?
A: The DA B138-97 ball valve seat is a replacement component for Dayton model 4YX97 pallet jacks. This part is most commonly found in the hydraulic control valve assembly.
Q: What material is the DA B138-97 ball valve seat made from?
A: The DA B138-97 is typically constructed from wear-resistant polymer or metal alloy, depending on the production revision. The exact material ensures compatibility with hydraulic fluid and maintains pressure sealing.
Q: What causes the DA B138-97 ball valve seat to fail?
A: Ball valve seats fail due to erosion from hydraulic fluid contamination, repeated ball impact cycles, pressure spikes, or use with non-approved hydraulic fluids. Dirt and debris accelerate wear.
Q: What symptoms indicate a worn DA B138-97 ball valve seat?
A: Symptoms include loss of hydraulic pressure, slow or uncontrolled descent under load, internal leakage in the valve assembly, or difficulty engaging the lift mechanism.
Q: How does the DA B138-97 compare to OEM Dayton valve seats?
A: The DA B138-97 meets OEM specifications for the Dayton 4YX97 model. Verify the seat diameter and ball size match your valve assembly before ordering.