Legend Valve
Legend Valve 303-125 3/4" x 1" Brass Compression Coupling
A 3/4" x 1" brass compression coupling for joining tubing of different diameters
- Brass construction resists corrosion for long service life
- Compression fitting creates a seal without soldering tools
- Connects 3/4" and 1" tubing for system flexibility
- Prop 65 notice informs safe handling practices
- Manufacturer model 303-125 identifies the exact part
Brass Compression Coupling for Air Systems
This Legend Valve 303-125 coupling joins 3/4-inch and 1-inch tubing in compressed-air or vacuum lines. The brass body resists corrosion and suits workshop or industrial pneumatic circuits.
Compression Fitting Simplifies Assembly
The compression design seals without soldering or threading, so installers can connect dissimilar tube sizes quickly. No additional sealant or specialised tooling is required beyond standard wrenches.
Straightforward Install With Common Tools
Tighten the nuts onto clean, square-cut tubing to form the seal; over-tightening can deform the ferrule and cause leaks. The coupling is not intended for potable water or hydraulic pressures beyond its rated service.
Highlights
- Brass construction resists corrosion for long service life
- Compression fitting creates a seal without soldering tools
- Connects 3/4" and 1" tubing for system flexibility
- Prop 65 notice informs safe handling practices
- Manufacturer model 303-125 identifies the exact part
Specifications
| Brand | LEGEND VALVE |
|---|
Questions about this item
How often should the brass compression coupling be inspected or replaced in a compressed-air system?
Inspect the fitting at each scheduled maintenance interval for leaks, corrosion or deformation; replace it if any sealing surface shows wear or damage.
What pressure or temperature limit is reached first during continuous compressor operation?
The coupling is rated for standard compressed-air service; the system relief valve or compressor cut-out pressure will be the limiting factor before the fitting itself.
Does the brass coupling generate noticeable heat or noise when the compressor runs all day?
Brass conducts heat but the fitting remains near line temperature; it adds no mechanical noise beyond normal airflow through the joint.
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