Identify from the photo
- Full 4A400 code or readable label
- 10/20 two-position or 30C/30E/30P three-position circuit
- 1/2 port
- PT, G or NPT thread and installed base/interface
AirTAC 4A400 Five-Port Air-Pilot Valves
4A400 is the largest published five-port, two-position and three-position 4A air-pilot valve range. Confirm function, 1/2 port and thread before RFQ.
Request type
AirTAC originalModel matchingChina-source alternative
4A-400Air Pilot Valves
About 4A-400
4A400 is the largest published 4A range. The 1/2 port, published flow area and 10/20 or 30C/30E/30P function must be matched together.
Product matching reference
Compare the photo, drawing, and measurable details first
Drawing reference
- Confirm 4A400 rather than a smaller 4A range
- Match 10/20/30C/30E/30P function, 1/2 port and PT/G/NPT thread
Key details for matching
Model patterns
- 4A400
- 4A410-15
- 4A420-15
- 4A430C-15
Reference details
- Product type: Five-port two-position and three-position externally air-piloted valve
- Published port: 1/2 inch
- Published effective area: 48.0 mm² (Cv 2.82) for 4A410/420-15; 40.0 mm² (Cv 2.35) for 4A430-15
- Reference page: PDF page 7
Matching Questions
Why is the 4A400 circuit code important?
The two-position and three-position codes change pneumatic behaviour. Match the complete valve code, 1/2 port and installed interface before RFQ.
4A-400
Include this series in a project RFQ
4A-400 Add other models, quantities, photos, drawings, or a BOM. One request can cover several product groups.