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ANSI Z21.22 High-Pressure Safety Valve

temperature and pressure safety valve , 3/4inch or 1/2inch, max pressure 0.8Mpa, max temperature 99℃, ANSI Z21.22 temperature and pressure relief valve
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  • WYA-20

  • AKE

  • 8419901000


Product Overview


The temperature and pressure relief valve (TPR valve) Model WYA-20 by AKE is a critical safety component designed to protect water heaters, storage tanks, and heating systems from overpressure and overheating risks. Engineered in compliance with the American ANSI Z21.22 standard, this high-performance safety valve automatically releases water or pressure when system temperature or pressure exceeds preset limits, preventing equipment damage and potential hazards. Suitable for both domestic and commercial applications, it is compatible with a wide range of heating systems, including solar water heaters, heat pump water heaters, gas heaters, electric water heaters, and buffer tanks. With customizable pressure and temperature settings, the WYA-20 valve delivers reliable safety protection for any high-temperature or high-pressure water heating setup.


Temp-Control 0.8MPa Pressure Relief Valve


Key Features


Dual Safety Protection Mechanisms

Over-Pressure Release: Activates when system pressure exceeds the set threshold (up to 1.0MPa), releasing excess pressure to maintain safe operating levels.

Over-Temperature Release: Triggers water discharge when tank temperature reaches 65℃~99℃ (customizable), preventing scalding risks and equipment overheating.


Versatile Installation Flexibility

Supports top-mounted or side-mounted installation on water heaters, hot water storage tanks, and buffer tanks.

Temperature sensing element must be immersed in the top 6 inches of the tank to ensure accurate temperature detection and rapid response.


Durable & Customizable Construction

Corrosion-resistant materials extend service life, even in high-temperature and high-pressure environments.

Customizable set pressure (0.51.0MPa) and set temperature (65℃99℃) to meet specific system requirements.

Equipped with an eliminating pipeline that connects to floor drains (terminal distance >6 inches) for easy maintenance and observation.


Technical Specifications


Parameter

Details

Interface Size

3/4inch or 1/2inch

Set Pressure Range

75psi (0.5MPa), 87psi (0.6MPa), 100psi (0.7MPa), 125psi (0.8MPa), 150psi (1.0MPa)

Set Pressure Tolerance

+5%, -10% of the set pressure

Set Temperature Range

65℃~99℃ (customizable)

Set Temperature Tolerance

99℃: -5℃; Other temperatures: ±5℃

Material

Corrosion-resistant alloy + high-temperature sealants

Warranty Period

12 Months

Product Code

8419901000


Applicable Scenarios


Domestic Heating Systems

Essential for residential electric water heaters, wall-mounted boilers, and solar water heating systems. Protects household water heaters from overpressure/overheating, ensuring family safety.

Compatible with small-scale heat pumps and hot water storage tanks in apartments and villas.


Commercial Water Heating Setups

Ideal for commercial water heating systems, buffer tanks, and large hot water storage tanks in hotels, restaurants, and office buildings. Handles high-demand operations with consistent safety performance.

Works seamlessly with air source heat pumps, ground source heat pumps, and solar thermal systems. A mandatory safety component for renewable energy-based heating setups in commercial and industrial facilities.


Product Advantages


ANSI Z21.22 Compliance & Reliability

Manufactured and tested to meet strict American standards, ensuring consistent performance and compliance with global safety regulations.

Precise pressure and temperature tolerance (pressure: ±5%/-10%; temperature: ±5℃) guarantees accurate, timely response to hazards.


Easy Installation & Low Maintenance

Simple top/side mounting design reduces installation time and labor costs.

12-month warranty and durable construction minimize maintenance needs, lowering long-term operational costs.


Wide Compatibility & Customization

Fits all major water heater and tank types, including solar, heat pump, gas, and electric systems.

Customizable pressure and temperature settings allow adaptation to unique system requirements, enhancing versatility.


Call to Action


Protect your water heating system and ensure safe operation with the AKE WYA-20 temperature and pressure relief valve—the trusted safety solution for residential and commercial applications! Whether you need a standard configuration or custom pressure/temperature settings, our team is ready to assist. Click “Inquire” to discuss your specific needs, or “Add to Basket” to secure this ANSI-certified safety valve today. Don’t compromise on safety—invest in the WYA-20 and enjoy peace of mind for years to come!


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