Product Description
Prop. valve w/c
Frequently Asked Questions
Q: What is the RA 521-801/104 proportioning valve used for?
A: The RA 521-801/104 is a proportioning valve with counterbalance function designed for hydraulic systems in Raymond electric lift trucks. It maintains pressure balance and proportional flow control in lifting and lowering circuits.
Q: What pressure range does the RA 521-801/104 handle?
A: Verify the specific pressure rating on your equipment documentation or contact us with your truck model and serial number for exact specifications. This valve is rated for standard commercial electric lift truck hydraulic systems.
Q: What are the port connections on the RA 521-801/104?
A: The RA 521-801/104 uses standard hydraulic port connections. Confirm your specific connection type and size by verifying the pump and manifold configuration on your Raymond lift truck before ordering.
Q: How long does the RA 521-801/104 valve typically last?
A: Valve lifespan depends on hydraulic fluid quality, system maintenance, and operating conditions. Change hydraulic fluid per manufacturer intervals to extend valve life and prevent sludge buildup that causes failure.
Q: Are there cross-reference parts for the RA 521-801/104?
A: The RA 521-801/104 is a Raymond OEM part. No verified cross-references exist in approved sources. Order using the exact SKU to ensure correct fitment.