Identify from the photo
- Full 4A300 code or readable label
- 10/20 two-position or 30C/30E/30P three-position circuit
- 1/4 or 3/8 port
- PT, G or NPT thread and installed base/interface
AirTAC 4A300 Five-Port Air-Pilot Valves
4A300 is a five-port, two-position and three-position externally air-piloted valve range. Confirm function, 1/4 or 3/8 port and thread before RFQ.
Request type
AirTAC originalModel matchingChina-source alternative
4A-300Air Pilot Valves
About 4A-300
4A300 is the larger 4A five-port range. Its 1/4 and 3/8 port forms, flow figures and envelope are not interchangeable with smaller 4A ranges.
Product matching reference
Compare the photo, drawing, and measurable details first
Drawing reference
- Confirm 4A300 rather than 4A100, 4A200 or 4A400
- Match 10/20/30C/30E/30P function, 1/4 or 3/8 port and PT/G/NPT thread
Key details for matching
Model patterns
- 4A300
- 4A310-08
- 4A320-08
- 4A330C-08
Reference details
- Product type: Five-port two-position and three-position externally air-piloted valve
- Published ports: 1/4, 3/8 inch
- Published effective area: 28.0 mm² (Cv 1.65) for 4A310/320-10; 21.3 mm² (Cv 1.25) for 4A330-10
- Reference page: PDF page 5
Matching Questions
Can a 4A300 be replaced by a smaller 4A range?
Not from the circuit symbol alone. Match the published port, flow, dimensions and complete code.
4A-300
Include this series in a project RFQ
4A-300 Add other models, quantities, photos, drawings, or a BOM. One request can cover several product groups.