Explicación de las funciones de la válvula de seguridad de la olla a presión: El Dispositivo Básico que Salvaguarda la Seguridad en la Cocina

The safety valve is the “heart” of a olla a presión, directly related to usage safety. According to statistics, 70% of pressure cooker accidents are related to safety valve failures or misuse. This article provides an in-depth analysis of the pressure cooker safety valve’s functions, working principles, and maintenance tips to help you fully master this critical component.

Core Functions of Pressure Cooker Safety Valves

Pressure Regulation

Automatic Pressure Release: When the pot’s pressure exceeds the rated value (usually 80-100kPa), the valve automatically opens to release steam.

Pressure Maintenance: Maintains constant pressure within a safe range to ensure even cooking.

Overpressure Protection

Anti-Explosion Mechanism: Acts as the last line of defense to forcibly release pressure when the main vent is blocked or pressure abnormally rises.

Redundant Design: High-quality pressure cookers (e.g., Linkton) are equipped with primary and secondary safety valves for enhanced safety.

Status Indication

Visual Cues: Some safety valves feature color-coded markers or pop-up designs (e.g., Fissler’s Vitavit system) to display pressure status visually.

Auditory Warnings: A continuous hissing sound indicates excessive pressure, requiring heat adjustment.

Four Major Types of Safety Valves

Ollas a presión use different safety valve types to achieve pressure control and safety. The table below summarizes the main types, their advantages, and limitations.

Tipo	Principio de funcionamiento	Ventajas	Desventajas
Ponderado	Uses a weight to control pressure release	Simple structure, low cost	Requires manual pressure adjustment
Spring-Loaded	Uses spring tension to control valve operation	Highly responsive, precise	Springs are prone to fatigue and aging
Fusible Plug	Low-temperature alloy melts to release pressure	Absolutely reliable, no mechanical failure	Single-use, requires replacement
Smart Electric	Sensor + microprocessor control	Programmable pressure, auto-adjustment	Expensive, relies on electricity

Milestones in Safety Valve Technology Evolution

The evolution of safety valves has seen significant milestones: from the early weighted valves in the 1930s to modern IoT-enabled smart valves in the 2020s.

1930s: First-generation weighted safety valves (aluminum pressure cookers).

1980s: Spring-loaded safety valves became popular, with precision improved to ±5kPa.

2000s: Composite safety systems (e.g., Liantong’s quadruple pressure release design).

2020s: IoT smart safety valves (Wi-Fi alerts + automatic power-off functions).

Innovative Safety Technology Outlook

Looking ahead, safety valve technology is expected to integrate more intelligent and automated solutions to enhance kitchen safety and operational efficiency.

• Self-Cleaning Valves: Ultrasonic descaling technology (Linkton 2024 concept model).
• Biometric Recognition: Fingerprint activation + child lock double insurance.
• Satellite Connectivity: Automatically sends distress signals during extreme overpressure (commercial models).

Brand Safety Valve Technology Comparison

The comparison below helps commercial kitchen operators choose the most suitable pressure cooker based on precision, reliability, and maintenance convenience.

Marca	Safety Valve Technology	Response Precision	Special Features
Fissler	Vitavit Constant Pressure System	±2kPa	Visual pressure indicator
Likton	Dual-Spring Redundant Design	±3kPa	Clog-proof filter + detachable cleaning
Instant Pot	Electric Solenoid Valve	±1kPa	APP pressure monitoring
ZWILLING	Cool-Touch Safety Valve	±4kPa	Valve remains cool to the touch

Pressure Cooker Safety Valve Frequently Asked Questions (FAQ)

Q1: Is it normal for food residues to spray out of the safety valve?
Answer: Abnormal. Indicates a failed clog-proof filter or excessive food ingredients. Stop use immediately and clean.

Q2: How often should safety valves be replaced?
Answer: Spring-loaded valves should be replaced every 2-3 years; fusible plugs must be replaced after each melt; electric types require maintenance as per the manual.

Q3: Can I disassemble the safety valve myself?
Answer: Only for detachable designs (e.g., Liantong’s twist-off type). Most brands recommend factory maintenance.

Conclusión:

Safety valves are more than just components; they are essential devices that protect both the kitchen environment and operators. When choosing a pressure cooker, prioritize:

• Multi-redundant safety design (e.g., primary and secondary valves).
• Easy disassembly and cleaning structure (avoid long-term scale buildup).
• Brand after-sales support (ensure parts availability).

Como fabricante profesional de ollas a presión, Linkton provides high-precision, safe and reliable multi-type safety valve products and customized services, and is committed to providing stable supply and technical support to catering and commercial kitchen customers. Welcome to Contacto!