- Pilot Port: Female Thread (Rc, G)(1/4).
- Valve Side: One-touch Fitting (ø10, ø12).
- Cylinder Side: Male Thread (R, G)(1/2).
Series image. Appearance may vary by model and options.AS4201-X785
AS4201-X785, Pilot Check Valve, Metal Body Type
Explore the features, model options and technical documentation for AS4201-X785. Contact Pnoneks to select the full part number for your application.
Request a quote for your application.
Share your part number and quantity so we can confirm pricing and lead time.
Selecting AS4201-X785
Selecting AS4201-X785: review the full part number and your system conditions when considering this Fittings & tubing record. Share Port Size, Valve Side Applicable Tubing O.D., Sealant, the required quantity and your application notes with Pnoneks. Final compatibility and lead time are confirmed during quotation.
The essentials for selection.
- Manufacturer
- SMC
- Series
- AS4201-X785
- Product group
- Fittings & tubing
- Function
- Check Valves
- Applications
- Suitability is evaluated against technical specifications and application conditions.
- Selection parameters
- Port Size, Valve Side Applicable Tubing O.D., Sealant
Exact dimensions, operating ranges and compatibility depend on the full part number. Review the relevant SMC documentation and application conditions for technical selection.
Features and model options
Technical descriptions and values below are preserved in the manufacturer’s original language. Options describe alternatives within the series; not every combination is valid. We will verify the full part number when quoting.
| Parameter | Options / values |
|---|---|
| Port Size | 04 (R 1/2) · G04 (G 1/2) |
| Valve Side Applicable Tubing O.D. | 10 (Ø10 mm) · 12 (Ø12 mm) |
| Sealant | w/o Sealant · S (With Sealant) |



