The modern dental sterilization workflow depends heavily on precision fluid controls to maintain aseptic conditions and extend instrument longevity. Our closed magnetic switching valve is purpose-built for these high-stakes environments, directly replacing aging or less reliable components in tabletop autoclaves and large-scale sterile processing units. It shares design heritage with our Dental sterilizer NC electromagnetic control valve, which emphasizes fail-safe normally closed operation. For oral surgery centers and general practices running heavy sterilization cycles, the Normally closed magnetic valve for oral steam sterilizer delivers parallel performance characteristics in a slightly different form factor. Both draw on the same core engineering that powers our B-grade dental disinfection equipment closed solenoid valve, meeting the rigorous demands of Class B sterilization cycles where vacuum pulses and steam purges demand rapid, zero-leakage shutoff. In labs and clinics where continuous operation is non-negotiable, the Oral autoclave normally shut electromagnetic fluid valve offers an additional layer of redundancy with enhanced diaphragm life and quieter coil excitation.
The Dentistry sterilization machine closed magnetic switching valve uses a direct-acting poppet design driven by a precision-wound solenoid coil, which means it can operate from zero pressure differential right up to its maximum rating without sticking or slamming. The valve body is machined from lead-free dezincification-resistant brass with an electroless nickel plating that resists pitting even after thousands of exposure cycles to demineralized water and chemical indicators. Internal seals are molded from a proprietary fluorocarbon compound that tolerates saturated steam up to 145°C, ensuring the valve stays drip-tight throughout the entire sterilization dwell phase. An integrated snubber circuit and shielded coil minimize electrical noise, making the valve compatible with the microprocessor-driven controllers found in modern autoclaves. Every unit is individually tested for helium leakage across the seat and external glands, and shipped with a full traceability report that includes coil resistance, response curve, and burst pressure validation.
| Parameter | Specification |
|---|---|
| Valve configuration | 2/2 way normally closed (NC) |
| Actuation | Direct-acting solenoid |
| Orifice diameter | 2.0 mm (standard); 2.8 mm (high flow variant) |
| Pressure range | 0 to 1.6 MPa (16 bar) |
| Flow coefficient (Kv) | 0.12 L/min for 2.0 mm orifice |
| Body material | Electroless nickel-plated brass CW617N |
| Seal / diaphragm material | FKM (Viton® equivalent) / EPDM optional |
| Coil voltage options | 12 V DC, 24 V DC, 110 V AC, 220 V AC (50/60 Hz) |
| Power consumption | 4.8 W (DC); 6 VA inrush, 4 VA hold (AC) |
| Electrical connection | DIN 43650 Form A with LED indicator |
| Response time | <15 ms energize; <30 ms de-energize |
| Ambient temperature range | -10 °C to +55 °C |
| Fluid temperature range | +5 °C to +145 °C (steam exposure) |
| Protection class | IP67 (with mated connector) |
| Endurance life | 2 million cycles minimum based on 95% survival |
| Certifications | CE, RoHS, REACH; UL pending |