Products

China B-grade dental disinfection equipment closed solenoid valve Manufacturer, Supplier, Factory

For dental clinics and laboratories maintaining in-house sterilization, the closed solenoid valve is a critical component in autoclave fluid circuits. Our B‑grade selection provides a practical alternative to top‑tier models without sacrificing core reliability. This unit matches the installation footprint of a Dental sterilizer NC electromagnetic control valve and operates on the same normally closed principle. Like a genuine Normally closed magnetic valve for oral steam sterilizer, it blocks water or steam flow until the coil is energized, preventing unintended discharge during power interruptions. The assembly is fully compatible with standard manifolds and can directly replace an Oral autoclave normally shut electromagnetic fluid valve in most benchtop sterilizers. It also mirrors the sealing performance of a Dentistry sterilization machine closed magnetic switching valve, giving technicians a dependable fluid gate that withstands daily heat cycles and frequent actuation.


The B-grade dental disinfection equipment closed solenoid valve is engineered for workshops that demand functional integrity while managing operating costs. Every unit undergoes a multipoint inspection covering coil resistance, seat leakage, and response time before it leaves our warehouse. The valve body is machined from lead‑free brass with a nickel‑plated finish to resist corrosion in humid sterilization rooms. Inside, a food‑grade EPDM diaphragm and a precision‑lapped stainless steel plunger create a bubble‑tight seal rated for thousands of cycles. Though classified as B‑grade due to minor cosmetic blemishes or batch overstock, the electromagnetic performance remains indistinguishable from premium lines. This means your autoclave maintains correct chamber pressurization, and you avoid the downtime that comes with sudden solenoid failure.

Key Performance Features
  • Normally closed operation (energize to open) ensures fail‑safe fluid shutoff when power is lost
  • Zero minimum pressure differential – suitable for gravity‑fed reservoir systems
  • Continuous duty coil with Class F insulation withstands steam generator ambient temperatures up to 155°C
  • Internal orifice diameter optimized for the flow rates of Class B and Class S tabletop sterilizers
  • Quiet electromagnetic switching, with noise levels below 45 dB at 1 meter
  • Compatible with distilled water, demineralized water, and mild disinfectant solutions (pH 6‑9)
  • One‑piece valve seat design simplifies cleaning and reduces bacterial biofilm accumulation
  • Mounting flexibility: accepts ¼″ or ⅜″ compression fittings, NPT thread adapters included
Technical Specifications
ParameterValue
Model codeB‑NCV‑22D
Valve type2‑way, direct‑acting, normally closed
Body materialNickel‑plated brass CW617N
Seal materialEPDM (peroxide‑cured)
Coil voltage12V DC / 24V DC / 110V AC 50/60Hz (selectable)
Power consumption8 W (DC) / 12 VA (AC)
Operating pressure0 – 1.0 MPa (0 – 145 psi)
Fluid temperature range5°C – 130°C (41°F – 266°F)
Ambient temperature-10°C – 55°C (14°F – 131°F)
Response time (open/close)≤ 120 ms / ≤ 80 ms
Lifetime rating≥ 500,000 cycles
Ingress protectionIP65 (coil enclosure)
Connection portsG1/4 female (standard), adapters for ¼″ & ⅜″ OD tube
Weight0.32 kg (0.7 lb)

Installation is straightforward on any dental sterilizer using a service port for the water inlet or steam generator feed. The coil can be rotated 360° after loosening the retaining nut, letting you orient the cable exit away from heat sources. Because the valve remains closed when idle, it helps maintain vacuum integrity during the drying phase of an autoclave cycle. It also prevents accidental flooding if a water supply line remains pressurized overnight. All B‑grade closed solenoid valves are individually bagged with a silica gel desiccant and shipped with a test report showing actual pull‑in and drop‑out voltages measured during quality control. This data allows your biomedical technician to verify compatibility with the sterilizer’s control board before installation, reducing guesswork and returns. With a standard footprint and widely supported electrical characteristics, the B‑grade dental disinfection equipment closed solenoid valve integrates into most oral autoclave platforms without modification, making it a sensible stock item for repair depots and in‑house maintenance teams.

Hot Products

  • Dental sterilizer steam generator

    Dental sterilizer steam generator

    This dental sterilizer steam generator is supplied by BestMedical, a professional manufacturer of medical sterilization equipment in China. It is a special core spare part for desktop dental high-pressure sterilizers. It adopts high-efficiency heating technology to continuously and stably output steam. It has strong adaptability and reliable operation, and meets the steam supply needs of Class B and Class N dental sterilizers of various specifications. It is a standardized essential accessory for daily maintenance, fault replacement, and routine backup of sterilization equipment in clinics, dental laboratories, and small and medium-sized medical institutions.
  • ‌Manual‌ Dental Sealing Machine

    ‌Manual‌ Dental Sealing Machine

    This ‌Manual‌ Dental Sealing Machine is a special sterilization bag sealing equipment for dental clinics. It adopts a manual pressure heat sealing structure and can quickly seal dental sterilization bags and various medical packaging materials. The sealing is tight and the operation is simple. It is supplied by BestMedical, a professional medical sterilization equipment manufacturer in China.. It is in stock. It is a standardized supporting equipment for sterilization packaging of dental instruments.
  • Fully automatic dental autoclave

    Fully automatic dental autoclave

    This fully automatic dental autoclave is independently developed and manufactured by BestMedical, a Chinese manufacturer and supplier engaged in the research, development and production of medical sterilization equipment. As a cost-effective, high-performance sterilization equipment with reasonable pricing, it is the preferred product for high-temperature sterilization of instruments in dental clinics, dental laboratories and small and medium-sized medical institutions.
  • Dental autoclave heating element

    Dental autoclave heating element

    This Dental autoclave heating element belongs to the core heating unit of Autoclave Heating Components. It adopts a high-temperature resistant and high-power heating structure. It has the characteristics of anti-dry burning, reliable insulation, and long life. It supports 110V / 220V universal voltage. It is manufactured by BestMedical, a professional medical sterilization equipment manufacturer in China. Provided for supply, it is a standard repair accessory and core replacement part for dental steam sterilizers. It is widely used for fault replacement of various types of dental sterilizer heating systems. Its performance matches the original factory, and it is stable and safe.
  • Dental autoclave door seal

    Dental autoclave door seal

    This Dental autoclave door seal is the core sealing consumable part of Autoclave Accessories Parts. It is made of medical-grade high-elastic silicone and is specially customized for Dental autoclave door sealing. It can withstand 134℃ high temperature and 0.22MPa high pressure, achieve zero leakage sealing of the cavity, and ensure the stable operation of the sterilization process. It is supplied by BestMedical, a professional Chinese medical sterilization equipment manufacturer, and is available in stock is a standard special accessory for repair and replacement of dental steam sterilizer door seal systems, and is suitable for all types of desktop Class B and Class N sterilizers.
  • Dental instrument ultrasonic cleaner

    Dental instrument ultrasonic cleaner

    The Dental instrument ultrasonic cleaner produced by BestMedical, a manufacturer, is mainly used for the meticulous cleaning of dental diagnostic equipment. It relies on the principle of high-frequency ultrasonic vibration to achieve deep cleaning and efficient sterilization of various metal dental instruments and dental diagnostic tools. The equipment is equipped with precise temperature control and timing functions, and the operation is intuitive and controllable, meeting the cleaning needs of different instruments. The inner container of the equipment is made of 304 stainless steel, which is corrosion-resistant and not prone to rust, making daily cleaning and maintenance very convenient.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.Privacy Policy
RejectAccept