Product brief description
Premium Single and Double Gauge Valve is a core manual control fitting specially designed for HVAC manifold gauges and refrigeration testing pipelines. Including single gauge valve and double gauge valve two mainstream types, this product adopts high-precision brass valve body and tight sealing structure, featuring high pressure resistance, flexible switch and zero leakage performance. It is mainly used for refrigerant pipeline switch control, pressure adjustment, flow control and gas cut-off during refrigeration system vacuum pumping, refrigerant charging and pressure holding testing. With anti-corrosion, anti-aging and high sealing stability, it is an essential replacement and assembly accessory for refrigeration manifold gauges and professional testing equipment.
Product detailed description
High Sealing Single & Double Gauge Valve for HVAC Refrigeration Pipeline Control
Our Single and Double Gauge Valve is a professional upgraded control component developed for global HVAC refrigeration testing systems and manifold gauge equipment. In refrigeration installation, equipment debugging and daily maintenance, pipeline switch control and stable pressure locking are the key prerequisites for accurate testing results. Ordinary inferior gauge valves often have common problems such as inflexible switch, poor sealing, internal air leakage, pressure drift and easy corrosion. During vacuum pumping and refrigerant filling, air leakage of the valve will lead to unqualified vacuum degree, inaccurate refrigerant filling volume, unstable system pressure and repeated rework. Severe valve aging and leakage will also cause refrigerant waste and increased maintenance costs. Our optimized single and double gauge valves completely solve the pain points of traditional valve parts, with precise switch control, excellent pressure resistance and long-term stable sealing performance, providing reliable pipeline switch guarantee for professional refrigeration testing work.
High-Quality Solid Brass Valve Body & Anti-Corrosion Performance
This series of gauge valves adopts integral precision casting brass valve body, with dense internal structure, high hardness and strong compression resistance. Different from ordinary thin iron valves and recycled copper valves, the pure brass material has excellent anti-oxidation, anti-corrosion and anti-rust performance, which can resist long-term erosion of refrigerant, refrigeration oil, water vapor and on-site oil stains. It will not produce rust, corrosion and valve body deformation after long-term use in high-humidity and high-pressure refrigeration working environment. The surface is polished and electroplated with protective treatment, which maintains smooth texture and stable structural performance for a long time, effectively extending the service life of the valve and avoiding frequent replacement of testing accessories.
Precision Sealing Structure & Zero Leakage Control
The internal core of the gauge valve adopts upgraded high-density sealing gasket and precise thread matching structure. Through professional grinding and fitting process, the valve core fits tightly with the valve body, realizing real zero leakage after closing. Whether it is low-pressure vacuum pumping test or high-pressure refrigerant filling operation, it can effectively lock pipeline pressure, prevent air backflow and refrigerant leakage, and ensure the stability and accuracy of refrigeration system testing data. The manual rotating switch is designed with uniform damping, which can realize micro flow adjustment and full cut-off switching, meeting the precise flow control requirements in different refrigeration maintenance processes, and effectively improving the standardization and accuracy of construction operation.
Flexible Switch Operation & High Pressure Resistanc
Optimized internal valve core movement structure makes the switch rotation smooth and labor-saving, without jamming, slipping or inflexible rotation. Even after thousands of frequent opening and closing operations, the valve still maintains sensitive switching performance without failure. The overall structural strength is greatly improved, with super high pressure resistance, which can withstand the instantaneous high pressure impact of mainstream high-pressure refrigerants such as R32 and R410A. It is not easy to burst and deform under extreme pressure conditions, ensuring construction safety during high-pressure testing and refrigerant charging, and solving the safety hazards of ordinary low-pressure valves in high-pressure system operation.
Single & Double Dual Specifications & Full-Scenario Matching
We provide two complete specifications: single gauge valve and double gauge valve. The single valve is lightweight and compact, suitable for simple pipeline switch control, independent vacuum pumping and single-channel refrigerant filling work, with flexible use and low replacement cost. The double gauge valve integrates dual-channel independent control structure, which can realize separate switch control of high-pressure and low-pressure pipelines at the same time, supporting simultaneous testing and independent operation of dual pipelines. It is perfectly compatible with all kinds of mechanical manifold gauges, digital manifold testing instruments and customized refrigeration testing pipeline systems, widely used in household air conditioner maintenance, commercial refrigeration unit debugging, cold storage engineering testing and professional laboratory refrigeration parameter calibration.
Standard Interface Design & Easy Installation and Replacement
All gauge valves adopt industry-standard thread interface size, with accurate tooth pitch and smooth thread, which can be perfectly matched with mainstream manifold gauges, testing hoses and refrigeration pipeline joints on the market. The standardized assembly structure realizes plug-and-play replacement, without complex modification and professional debugging. Maintenance workers can quickly replace old and failed valves on site, effectively improving maintenance efficiency and reducing equipment downtime. The compact and reasonable overall structure saves installation space, adapts to various narrow testing equipment structures, and has extremely high universality and practicability.
Strict Factory Testing & Stable Industrial Quality
Every single and double gauge valve undergoes strict high-pressure burst test, sealing leakage test, repeated switch aging test and thread matching detection before delivery. All products have stable pressure bearing capacity and zero leakage sealing performance, fully complying with international HVAC refrigeration accessory standards. With reliable quality, cost-effective price and complete specifications, our gauge valves are widely supplied to global refrigeration tool manufacturers, accessory wholesalers and engineering maintenance teams, and have become mainstream replacement accessories for refrigeration testing equipment.
Product Specifications
MODEL |
VALVE TYPE |
INTERFACE SIZE |
MAX PRESSURE |
MAIN APPLICATION |
GV-01 |
Basic Single Gauge Valve |
1/4" |
600PSI |
Household Small Refrigeration Testing Pipeline |
GV-02 |
Standard Single Gauge Valve |
1/4" |
800PSI |
Ordinary Manifold Gauge Single Channel Control |
GV-03 |
Basic Double Gauge Valve |
1/4" |
800PSI |
Dual Channel Ordinary Testing Manifold Set |
GV-04 |
Enhanced Double Gauge Valve |
1/4" & 5/16" |
1000PSI |
High Pressure Air Conditioner & Commercial Unit |
GV-05 |
Industrial Double Gauge Valve |
Universal Size |
1200PSI |
Professional HVAC Engineering & Precision Testing |
FAQ
Q1: What is a gauge valve used for?
A: Single and double gauge valves are core control accessories for refrigeration manifold gauges and testing pipelines. They are mainly used for manual switch control, flow adjustment and pressure locking of refrigerant pipelines during vacuum pumping, refrigerant charging and system pressure testing to ensure accurate and stable testing results.
Q2: What is the difference between single gauge valve and double gauge valve?
A: The single gauge valve is a single-channel control switch, suitable for independent single-pipeline testing work. The double gauge valve adopts dual-channel independent control structure, which can control high-pressure and low-pressure pipelines separately at the same time, suitable for standard dual-gauge manifold set matching and complex testing scenarios.
Q3: Is this valve leak-proof after closing?
A: Yes. Adopting precision grinding and high-elastic sealing structure, the valve core fits tightly with the valve body. It achieves zero air leakage and zero pressure drift after closing, effectively preventing refrigerant leakage and air backflow, ensuring reliable refrigeration testing data.
Q4: Can it withstand high-pressure refrigerant systems?
A: Absolutely. The integral brass valve body has strong pressure resistance, supporting high-pressure working conditions of R32, R410A and other new environmental protection refrigerants. It can resist instantaneous high-pressure impact without deformation or burst, ensuring construction safety.
Q5: Is the switch flexible and durable?
A: Yes. Optimized internal valve core structure ensures smooth rotation without jamming. After thousands of repeated switch aging tests, it still maintains sensitive and stable control performance, with low failure rate and long service life.
Q6: Is the installation and replacement simple?
A: Very simple. Adopting industry-standard thread interface, it perfectly matches mainstream manifold gauges and testing hoses. It supports direct plug-and-play replacement without complex modification and professional operation, saving maintenance time.
Q7: What refrigerants and equipment are compatible?
A: It is widely compatible with R22, R134a, R410A, R32 and all mainstream refrigerants. It can be used for all kinds of mechanical and digital manifold gauges, household air conditioners, commercial refrigeration units and cold storage testing pipelines.
Q8: How about the packaging and transportation?
A: Each gauge valve is individually packed with dust-proof and moisture-proof protection to prevent thread damage and internal pollution. Bulk orders adopt reinforced export cartons, supporting long-distance sea freight and global wholesale and engineering orders.
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