New Product Launch | Madewelle GPS‑A3 Pressure Monitor, Reinforcing the Safety Barrier of Gas Systems
2026-11-05

The brand-new Madewelle GPS‑A3 Pressure Monitor is now available! It comes in two versions: single standard type and dual-control twin type. Designed in strict accordance with European standard EN1854, it delivers professional and reliable pressure safety protection solutions for gas, HVAC and combustion equipment.
During the operation of combustion equipment, excessively high or low gas pressure may directly lead to equipment failure and even potential safety hazards. Traditional pressure monitoring components have pain points such as unclear status indication, poor installation adaptability and insufficient stability in high and low temperature environments. The GPS‑A3 Pressure Monitor requires no external driving power supply. It relies on gas pressure to automatically drive circuit on/off, integrating monitoring, signal conversion and status indication into one unit, serving as a core safety protection component for combustion systems.
This new product is equipped with a red-and-blue dual-color status indicator system for clear visibility of operating conditions. When the actual pressure reaches the set switching point, the indicator automatically switches between red and blue. No extra instruments are needed for commissioning and inspection, greatly improving on-site work efficiency. The series includes single and dual models. The single version meets conventional pressure protection scenarios; the dual-control twin model combines two pressure monitoring units via flange connection, with two independently adjustable set points. It provides both high-pressure and low-pressure protection in one unit, realizing dual-threshold pressure monitoring to satisfy the demands of complex working conditions.
In terms of hardware materials, the GPS‑A3 adopts a cast aluminum housing paired with corrosion-resistant NBR diaphragms and silver contacts. The whole unit reaches IP54 protection grade for effective dust and water resistance, suitable for harsh industrial sites. Its operating temperature ranges from -15℃ to +70℃, and storage temperature from -30℃ to +80℃, enabling stable operation in both freezing and high-temperature conditions. It is fitted with a standard G1/4 internal thread pressure port and metal pressure tapping tube, supporting multiple pressure sampling methods for flexible installation during pipeline renovation and equipment retrofitting. A damping nozzle is optional for selected models to suppress frequent pressure fluctuations and prevent false switching.
The product offers multiple adjustable pressure ranges from 0.4‑3 mbar to 30‑150 mbar, with a maximum working pressure of 600 mbar. The switching point deviation is controlled within ±15% of the rated value for accurate and stable pressure detection. Electrical compatibility covers AC24‑250V and DC24‑48V. The indicator has two power supply options: AC220V and 12‑48VDC. It is compatible with most electrical circuits of combustion control cabinets with simple wiring. It can be directly connected to the burner safety interlock circuit. When pressure is abnormal, it quickly switches the circuit to trigger gas valve shut-off and avoid safety risks caused by overpressure or underpressure.
The GPS‑A3 Pressure Monitor is suitable for Class 1‑3 gases such as natural gas and LPG, as well as other neutral gaseous media. It is widely applied to industrial burners, boilers, kilns, ventilation and air conditioning systems. It can be matched with gas solenoid valves and other components to realize pressure safety interlock protection. Suitable solutions are available both for OEM equipment assembly and safety component retrofitting of old combustion equipment.
Safety is the top priority for combustion system operation. Balancing safety, user-friendliness and environmental adaptability, the Madewelle GPS‑A3 Pressure Monitor safeguards gas safety with dependable hardware performance. The GPS‑A3 series is fully launched now. Customers are welcome to inquire for selection, sample testing and purchase!
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