The STEC SEC-E440J is a heavy-duty industrial mass flow controller engineered for precise gas flow regulation in semiconductor manufacturing and advanced process applications. It utilizes a thermal sensing principle with a capillary sensor and control valve to deliver accurate, repeatable flow control.
STEC SEC-E440J Technical Specifications
| Parameter | Specification |
|---|---|
| Flow Range | 0–500 sccm (N2 equivalent) |
| Accuracy | ±1% of setpoint (typical) |
| Repeatability | ±0.5% of full scale |
| Response Time | ≤1 second (to within 2% of final value) |
| Operating Pressure | 0–0.5 MPa (gauge) |
| Proof Pressure | 1.0 MPa |
| Gas Compatibility | Compatible with inert and non-corrosive gases |
| Operating Temperature | 5–45°C |
| Leak Integrity | ≤1×10⁻⁹ Pa·m³/s (He) |
| Wetted Materials | Stainless steel 316L, PTFE, Viton |
| Electrical Interface | 0–5 V DC analog, RS-485 (optional) |
| Supply Voltage | ±15 V DC or 24 V DC |
| Process Connection | 1/4″ VCR male |
| Mounting | Panel or manifold mount |
| Protection Class | IP40 |
Key Engineering Features
- Thermal mass flow sensing with capillary sensor for stable, drift-free measurement
- Integrated proportional control valve for fast, precise flow adjustment
- High accuracy and repeatability for critical process gas delivery
- Compact stainless steel construction with VCR fittings for high-purity applications
- Analog and optional digital communication interfaces for system integration
- Designed for semiconductor, analytical, and industrial gas flow control
Industrial Applications
- Semiconductor manufacturing equipment (CVD, PVD, etch, diffusion)
- Analytical instruments and gas chromatography
- Research and development laboratories
- Pharmaceutical and biotechnology process gas control
- Industrial gas blending and dosing systems
- Fuel cell and renewable energy research
For technical inquiries, dimensional drawings, or replacement support for STEC SEC-E440J, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
STEC SEC-E440J Mass Flow Controller
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the STEC SEC-E440J Mass Flow Controller. This precision-engineered industrial component delivers reliable performance and accurate operation for demanding industrial systems.