2. M3B/M3R/M3L series utilize externally supplied directional switching force, suitable for position detection or limit switch applications;
3. M3C/M3D/M3Y/M3PF/M3PM/M3PP/M3PL/M3HS series feature manual operation with multiple structural configurations for diverse operational requirements;
4. Spool-type design ensures consistent control force independent of working pressure (zero backpressure effect), enhanced by internal ring sealing for reliable performance and smooth directional switching;
5. Oil-free lubrication system eliminates maintenance requirements;
6. Multi-position mounting capability ensures flexible installation options;
7. M3C/M3D/M3Y/M3R/M3I series incorporate durable metal actuators for extended service life and enhanced operational stability.
Category: Mechanical Valves | Brand: AirTAC | Series: M3HS
AirTAC M3HS21008B Selector Mechanical Valve Technical Details
- Model: M3HS21008B
- Type: 3-position selector valve (Mechanical spring return)
- Port configuration: 5/3-way (3 ports, 5 flow paths)
- Port size: G1/8 (ISO228 standard)
- Operating pressure range: 0.1–1.0 MPa
- Max flow rate: 750 L/min (ANR)
- Actuation force: 20N±15% (manual override)
- Seal material: HNBR (Hydrogenated Nitrile) for enhanced oil resistance
- Temperature tolerance: -20℃ to 120℃ (with intermittent peak at 150℃)
- Body material: Aluminum alloy with hard anodized finish
- Weight: 220g ±5%
- Dimensions: 60mm(L) × 40mm(W) × 80mm(H)
- Mounting orientation: Any (360° multi-directional installation)
- Cycle life: ≥2 million operations
High-flow directional control valve with manual override capability, featuring a rugged aluminum body with corrosion-resistant coating. The optimized spool design ensures low operating torque (≤0.3N·m) while maintaining precise flow path switching. Requires ISO 8573-1:2010 Class 3.4.3 compressed air quality.
- Pneumatic cylinder sequencing in assembly lines
- Material handling system diverters
- Textile machinery tension control
- Automated welding equipment gas flow management
- Hydraulic system pilot controls (air-over-oil applications)
| Property | Property Value |
|---|---|
| sku | M3HS21008B |
| Position | 3-Port 2-Position |
| Port Size | PT1/4 |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.









