2、Wide pressure range compatibility with specialized configurations: Ultra-High Pressure (X), High Pressure (H), Standard, and High Flow (L) variants;
3、Compact design with minimized footprint, lightweight construction, and tool-free installation/maintenance capabilities;
4、SUS304 stainless steel body with Class B thermal-rated coil. Standard FKM (Fluoroelastomer) seals ensure compatibility with diverse media. Custom sealing materials available through technical consultation;
5、IP65-rated coil protection with wiring options: direct lead wire or DIN connector interface.
Category: Fluid Solenoid Valves | Brand: AirTAC | Series: 2KS
AirTAC 2KS40040BI Fluid Control Valve Technical Specifications
- Model: 2KS40040BI
- Type: 4-way, 2-position sliding spool valve (closed center)
- Port configuration: P (pressure), A/B (actuator ports), T (tank)
- Port size: G1/2 (ISO 228 standard)
- Operating pressure range: 0.2–31.5 MPa (290–4567 PSI)
- Max flow rate: 120 L/min @ 7 MPa
- Actuation type: Hydraulic pilot operated (requires 1.5-3 MPa pilot pressure)
- Fluid compatibility: ISO VG32-68 hydraulic oil (phosphate ester resistant)
- Weight: 3.8 kg (8.38 lbs)
- Dimensions: 165mm(L) × 85mm(W) × 105mm(H)
- Seal materials: HNBR (hydrogenated nitrile) main seals, FKM (fluoroelastomer) backup
- Temperature range: -5℃ to 80℃ (23℉ to 176℉)
- Response time: ≤120ms (full stroke at 20℃)
- Leakage: ≤30 mL/min @ 31.5 MPa
- Mounting: ISO 4401-05 (CETOP 5) interface
High-pressure hydraulic directional control valve with closed-center configuration, engineered for precision flow management in heavy-duty systems. Features hardened spool/sleeve assembly (HRC 58-62) for extended cycle life and anti-stick design for reliable operation in contaminated oil environments. Includes built-in damping chambers for smooth directional transitions.
- Hydraulic press clamping force control systems
- Injection molding machine core-pull circuits
- Construction equipment boom/stick control
- Steel mill rolling mill hydraulic stations
- Marine deck machinery power units
| Property | Property Value |
|---|---|
| sku | 2KS40040BI |
| Port Size | PT1-1/2 |
| Flow Aperture | PT1-1/2 |
| Coil 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.





