Hongsen Manifold Gauge HS-370

The Hongsen Thermal Expansion Valve (TXV) is a refrigeration system component designed to regulate refrigerant flow into the evaporator and help maintain the required superheat. It supports stable refrigeration performance across a wide range of evaporating temperatures.

With MOP protection, internal and external equalizer options, and a patented low-temperature membrane design, this expansion valve is suitable for refrigeration applications where accurate refrigerant control and reliable operation are important.

Features

• Wide Operating Temperature Range: Operates across a wide range of evaporating temperatures for flexible refrigeration applications.

• MOP Function: Helps protect the compressor motor from damage caused by excessive evaporating pressure.

• Internal & External Equalizer Options: Effectively reduces the impact of evaporator pressure loss and supports accurate refrigerant control.

• Patented Membrane Structure: Enhances valve performance at low evaporating temperatures.

• Double-Sealed Bonnet Design: Minimizes external refrigerant leakage and supports reliable operation.

• Filter Orifice Design: Makes storage, orifice matching, and maintenance easier.

• Consistent Superheat Control: Uses mixed charging technology in the temperature sensing bulb to maintain a consistent superheat degree across the evaporating temperature range.

• With the built-in damper and could be mounted on the piping with pressure pulsation.
• Prevent refrigerant back flow from high temperature evaporator to low temperature evaporator.
• Applicable to the refrigeration unit in parallel with compressor.
• Both direct flow type and right-angle type are available.

The Hongsen Manifold Gauge Set HS-350A-AD is a professional digital HVACR service tool designed for accurate pressure and temperature measurement in air conditioning and refrigeration systems. Its large backlit LCD screen, high-precision sensors, and multi-function design make it suitable for refrigerant charging, system diagnostics, vacuum measurement, and leak detection.

With support for 61 refrigerant parameters, dual-channel temperature measurement, and automatic superheat and subcooling calculations, the HS-350A-AD provides technicians with the information needed for efficient HVACR system servicing. Its durable aluminum alloy valve body and shock-resistant housing are designed for reliable use in demanding field environments, including professional HVAC applications in the UAE.

Key Features

• Shock-Resistant Housing: Soft, ergonomic housing provides a comfortable grip while helping protect the gauge against impact during field use.
• Large Backlit LCD Display: Features a large screen, multi-angle viewing, and large-font readings for easy monitoring in different working conditions.
• High-Precision Sensors: High-accuracy pressure and digital temperature sensors provide reliable measurement and improved diagnostic precision.
• Extended Battery Life: Low-power electronic components help improve battery efficiency and extend operating time.
• 61 Refrigerant Parameters: Supports data for 61 different refrigerants for versatile HVACR system servicing.
• Superheat & Subcooling Calculation: Dual-channel temperature measurement enables automatic calculation of superheat and subcooling.
• Multiple Operating Modes: Supports vacuum measurement, pipe leak detection, and routine HVACR maintenance functions.
• Flexible Measurement Units: Pressure can be displayed in MPa, kPa, bar, or psi, while temperature can be switched between °C and °F.
• Overload Protection: Automatically switches off when pressure exceeds the safe operating limit, helping protect the instrument.
• Aluminum Alloy Valve Body: High-quality aluminum alloy construction provides durability and reliable performance during professional HVACR servicing.
• Professional HVACR Application: Suitable for refrigerant charging, pressure testing, vacuum measurement, leak detection, superheat/subcooling measurement, and AC system diagnostics.

The Hongsen Manifold Gauge HS-330 is a professional digital HVACR service tool designed for accurate pressure and temperature measurement in air conditioning and refrigeration systems. Its high-precision data acquisition system, dual-channel temperature measurement, and built-in 89-refrigerant database support efficient system testing and diagnostics.

The HS-330 combines a durable engineering plastic housing with a comfortable non-slip silicone grip and high-quality aluminum alloy valve manifold. Its backlit display, multi-mode functions, and folding hook make it convenient for both on-site and routine HVACR servicing in the UAE.

Key Features

• Durable Housing: High-strength engineering plastic provides a strong and solid structure for professional field use.
• Comfortable Non-Slip Grip: Flexible silicone material offers a secure and comfortable grip during operation.
• High-Precision Measurement: Advanced data acquisition provides stable and accurate pressure readings.
• Backlit Display: Makes the gauge easy to read and operate in low-light working conditions.
• Extended Battery Life: Low-power electronic components help improve battery efficiency and operating time.
• 89 Refrigerant Database: Built-in database supports 89 refrigerant types for versatile HVACR applications.
• Dual-Channel Temperature Measurement: Enables real-time temperature measurement through two channels for convenient system diagnostics.
• Multi-Mode Operation: Provides multiple functions for refrigerant servicing, system testing, and HVACR maintenance.
• Folding Hook: Allows convenient hanging, storage, and hands-free operation during servicing.
• Aluminum Alloy Valve Manifold: High-quality aluminum alloy construction provides durability and reliable performance.
• Explosion-Proof Sight Glass: Provides clear visual monitoring with enhanced safety and reliability.
• Professional HVACR Application: Suitable for refrigerant charging, pressure testing, temperature measurement, AC maintenance, refrigeration servicing, and system diagnostics.