2、Sliding spool structure with excellent sealing performance and rapid response characteristics;
3、Dual-coil bistable function for position memory retention in 4M series 5/2-way valves;
4、Precision-bored cylinders with specialized surface treatment ensure low friction, minimum operating pressure (0.15MPa), and extended service life;
5、Maintenance-free operation requiring no lubrication;
6、Side port mounting configuration enables direct coupling with actuators;
7、Integrated manual override for simplified commissioning and maintenance;
8、Multiple standard voltage options available for global compatibility.
Category: Solenoid Valves, Brand: AIRTAC, Series: 4M
AirTAC 4M31008B-AM Solenoid Valve Specifications
- Model: 4M31008B-AM
- Type: 5/2-way monostable (single solenoid) with manual override
- Port size: G1/8 (ISO228/1 standard)
- Operating pressure range: 0.1–1.0 MPa
- Proof pressure: 1.5 MPa
- Voltage options: DC12V (±10%), DC24V (±10%), AC110V (50/60Hz), AC220V (50/60Hz)
- Coil insulation class: Class F (155℃)
- Response time: ≤20ms (energize), ≤30ms (de-energize)
- Flow coefficient (Cv): 1.8
- Ambient temperature: -5℃ to 60℃ (non-freezing)
- Medium temperature: 0℃ to 60℃
- Seal material: Heat-resistant NBR (Nitrile)
- Body material: Reinforced PBT with copper-free aluminum alloy
- Weight: 420g ±5% (including coil)
- Dimensions: 58mm(L) × 40mm(W) × 86mm(H)
- Protection rating: IP67 (coil), IP40 (valve body)
- Port thread depth: 12mm (minimum engagement)
High-flow proportional solenoid valve with dust-resistant plunger design, optimized for rapid cycling applications. Features dual-color position indicator (red/green) and integrated silencer (38 dB(A) noise reduction). Compatible with ISO 15407-1 standard subplates. Requires 5μm filtered compressed air with lubrication (ISO 8573-1 class 4.4.3).
- Automated production line actuators
- Plastic injection molding machines
- Textile machinery clamping systems
- Semiconductor handling equipment
- Automotive brake testing rigs
| Property | Property Value |
|---|---|
| sku | 4M31008B-AM |
| Position | 5 Ports 2 Position |
| Port Size | PT1/4 |
| Standard Voltage | DC24V |
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.







