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Brass Refrigerant Charging Needle Valve for Air Conditioner Refrigeration System
US$0.80-6.50
10 Pieces
Sample price:US$12.00/piece.Request sample
Product profile
Customization
AvailablePower
ManualConnection Mode
External ThreadModel NO.
CustomizedMaterial
BrassPressure
Medium PressureStandard
StandardMedia
GasMedia Temperature
Normal TemperaturePressure Class
Max Working Pressure up to 4.5MPaApplicable Medium
Refrigerant (R22/R410A/R134A)Body Material
Brass (Nickel Plated), Corrosion ResistantConnection Type
1/4" Flare Male Thread + Quick ConnectSeal Type
Rubber Soft Seal (EPDM/NBR)Valve Type
Refrigerant Charging Needle ValveActuation Type
Manual Knob Operated, Needle Stem AdjustmentInstallation Orientation
Any Orientation, Flexible InstallationSpecial Features
Nickel Plated Anti-Corrosion, Side Drain PortApplication
Air Conditioner, Cold StorageTransport Package
CustomizedSpecification
CustomizedTrademark
JtongOrigin
ChinaHS Code
8481804090Production Capacity
10000-30000 PCS Per YearKey features
Made of high-quality forged brass, with excellent corrosion resistance and pressure-bearing capacity, maintains stable and reliable performance under long-term refrigeration system operation.
Precision needle-type stem structure realizes fine flow regulation, supports accurate refrigerant charging and reliable shutoff control, with tight zero-leakage sealing performance.
Standard SAE flare thread connection, perfectly matches common refrigeration charging hoses, easy and quick for on-site installation and maintenance operations.
Color-coded knob handles (red/blue) for clear distinction between high- and low-pressure sides, convenient for maintenance personnel to quickly identify and operate.
The knurled quick-connect structure at the bottom supports fast connection and disassembly with refrigeration pipelines, greatly improving on-site maintenance efficiency.
Wide refrigerant compatibility, suitable for R22, R134a, R410A, and most common refrigerants, widely used in household and commercial air conditioning and refrigeration systems.
Compact and lightweight structure, requires small installation space, perfectly adapts to narrow installation positions of refrigeration equipment.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2026-02-01Nearest Port: Binhai Port, Dafeng PortAverage Response Time: ≤1.55h
AI-Powered supplier vetting
SummaryThe supplier presents itself as an ODM/OEM partner serving power generation, water treatment, petrochemical, and industrial automation markets. It reports flexible customization, 3D design services, recent product development, quality assurance, documented corrective-action and complaint-handling procedures, and approximately six years of export experience with 31%–40% of sales from exports. It also states membership in the China Valve Industry Association and qualification as a National Power System supplier. However, it reports no valid manufacturing-capacity contract with related subcontractors, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation. Material traceability is absent, and the supplied financial records show zero values, limiting confidence in financial credibility. Customer-specific cases are not provided.
Supplier typeThe supplier describes itself as an ODM/OEM partner for power generation, water treatment, petrochemical, and industrial automation applications. Its stated business scope also includes waste processing, construction and metal materials, office equipment, surveillance, networking, and information-security equipment, indicating a broad and potentially diversified profile.
CertificationsThe supplier explicitly states that it is a member of the China Valve Industry Association and a qualified supplier for the National Power System. These are stated industry affiliations and qualification claims, although no certificate numbers, validity dates, or supporting documents are provided.
Financial creditThe supplied financial information reports zero operating revenue, costs, profits, cash receipts, cash inflows, cash outflows, and current ratio for the stated periods. These records do not establish financial strength and create a material basis for concern, although the data alone does not explain whether the values reflect inactive operations, reporting limitations, or another issue.
R&D capabilityThe supplier reports 3D software design services and states that it introduced new products during the past year. This provides explicit evidence of active product-development capability.
Customization capabilityThe supplier explicitly offers customization from samples and designs, full and minor customization, flexible customization, and 3D software design services. Its ODM/OEM positioning further supports the conclusion that it is structured to handle customer-specific requirements.
Product Q&A
Q:What refrigerants are these needle valves suitable for?
A:
They are compatible with R22, R134a, R410A, R32, and most common refrigerants, fitting most refrigeration and air conditioning systems.
Q:What connection sizes are available for charging needle valves?
A:
Standard 1/4" SAE flare is the most common model, and 3/8" and other custom sizes are also available for bulk orders.
Q:What is the maximum working pressure of this brass service valve?
A:
The maximum working pressure is 4.5 MPa, meeting the pressure requirements of most household and commercial refrigeration systems.
Q:Does this valve have safety pressure relief function?
A:
No, this is a refrigerant charging and shut-off needle valve for flow control and system maintenance; it does not have an overpressure relief function.
Q:Can you supply valves with different colored handles?
A:
Yes, red and blue handles are available to distinguish the high- and low-pressure sides of refrigeration systems.
Send Inquiry
*To:
Jtong Group Co., Ltd.
Jtong Group Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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