Dual Gauge Valve for HVAC/R - Efficient Bidirectional Pressure Monitoring | China Suppliers & Factory
Key Features
- Simultaneous HP/LP Monitoring: Accurately measure bidirectional pressures (up to 600 PSI / 42 kg/cm²) via dual 1/4" SAE ports, enabling real-time analysis of system performance.
- Advanced Diagnostics: Detect faults such as refrigerant leaks, blockages, or undercharge conditions by analyzing pressure differentials.
- Multifunctional Design: Replace traditional gauges with a single tool capable of vacuum testing, refrigerant selection, pressure checks, and system purging.
- Digital Precision (Optional): Select models feature dual-scale displays (PSI/kg/cm²) with °C temperature readouts, eliminating parallax errors and outdated analog scales.
Robust Construction for Demanding Environments
Crafted from corrosion-resistant brass and high-strength polymers, this valve withstands harsh conditions in commercial refrigeration or automotive applications. Its precision-grade internal sensors ensure long-term accuracy, while a 3000 PSI burst pressure rating guarantees reliability under extreme loads.
Technical Specifications
| Materials | Brass body, polymer components |
| Ports | 1/4" SAE male fittings (HP/LP) |
| Pressure Range | 0–600 PSI (42 kg/cm²) working pressure |
| Compatibility | Compatible with common refrigerants and HVAC/R systems |
Why Choose This Dual Gauge Valve?
- Enhanced Efficiency: Consolidate multiple tools into one device, minimizing downtime during complex tasks.
- Error-Free Readings: Digital models provide instant, clear data to prevent misdiagnosis from worn analog gauges.
- Durability: Engineered for longevity with oxidation-resistant metals and sealed sensor compartments.
Ideal For
- HVAC technicians performing maintenance or repairs
- Automotive AC servicing
- Industrial refrigeration system diagnostics
- Commercial cooling unit installations
Certificates
Maximize productivity and accuracy in pressure-sensitive applications with this industry-leading Dual Gauge Valve. Whether troubleshooting a blockage or charging a refrigerant line, its versatile design and rugged build ensure consistent results.
Order today to experience faster, smarter HVAC system management!
Frequently Asked Questions (FAQ)
Q: What is the maximum working pressure of this Dual Gauge Valve?
The valve operates at a working pressure range of 0 to 600 PSI (42 kg/cm²) and features a safety burst pressure rating of 3000 PSI to ensure reliability under extreme loads.
Q: Can I monitor high-pressure and low-pressure systems at the same time?
Yes, the valve is equipped with dual 1/4" SAE male fittings, allowing for simultaneous, bidirectional monitoring of high-pressure and low-pressure systems in real time.
Q: What materials are used to construct this valve?
It is manufactured using high-grade, corrosion-resistant brass and high-strength polymers, making it highly durable for commercial refrigeration and automotive environments.
Q: Does this valve offer digital readings?
Yes, select digital models are available. They feature dual-scale displays (PSI/kg/cm²) with °C temperature readouts to eliminate parallax errors and provide clear, precise measurements.
Q: What applications is this Dual Gauge Valve suitable for?
This multi-functional tool is ideal for HVAC technicians performing system maintenance, automotive AC servicing, industrial refrigeration diagnostics, and commercial cooling unit installations.
Q: How does this valve help reduce diagnostic time?
By combining multiple functions—such as vacuum testing, refrigerant selection, pressure checks, and system purging—into one single tool, it minimizes diagnostic downtime and enhances work efficiency.












