Description
Product Overview
The LUBE USA 105501 HSA-03 metric metering unit is a precision flow control valve used in centralized lubrication systems. It regulates oil delivery to individual lubrication points, ensuring consistent lubrication across the machine.
This unit is designed for single-line resistance (SLR) systems with intermittent (cyclic) oil delivery and provides an intermediate flow rate between smaller and standard metering units.
Applications
- Centralized lubrication systems
- CNC machines and machining centers
- Bearings, slides, and moving components
- Lubrication points requiring moderate oil flow
👉 Metering units are resistance-type devices used to control oil delivery in cyclic lubrication systems
Key Features
- Intermediate-flow design (HSA-03 sits between HSA-02 and HSA-1)
- Controls oil delivery to individual lubrication points
- Designed for intermittent (cyclic) lubrication systems
- Compact design (~25mm length) for junction block installation
- Maintains balanced lubrication across the system
- Compatible with 4mm tubing systems
- Durable construction for industrial environments
Why This Part Matters
Not all lubrication points require the same oil volume.
Without proper metering:
- Some points receive too much oil
- Others receive too little
- System balance is lost
This unit provides a fine-tuned flow option, allowing better control between low and standard flow sizes.
When to Use This Metering Unit
- When HSA-02 is not enough flow
- When HSA-1 is too much flow
- When fine-tuning lubrication balance
- When replacing worn or clogged metering units
Specifications
- Part Number: 105501
- Model: HSA-03
- Type: Metering unit / flow control valve
- System Type: Single-line resistance (SLR)
- Flow Rating: 03 (intermediate)
- Inlet Thread: M8×1
- Outlet Thread: 1/8 BSPT
- Length: ~25mm
- Application: Intermediate-flow lubrication control
📞 Need Help Choosing the Right Flow Size?
Not sure if you need HSA-02, HSA-03, or HSA-1?
👉 Call us or request a quote—we can help match the exact flow rate for your system.
