Brass Access NRV Charging Valve Nipple
Brass Access NRV Charging Valve Nipple
Reliable One-Way Service Valve for Refrigeration & Air Conditioning Systems
The DUTUX Brass Access NRV Charging Valve Nipple is engineered for precision, durability, and leak-free performance in refrigeration and HVAC systems. Designed with an integrated one-way valve, it enables secure refrigerant charging and system servicing while preventing backflow.
📏 Available Sizes
| Part No. | Size | Pipe Length |
|---|---|---|
| DUTUX NRV CVN 14 | 1/4″ Regular | 4.5″ Pipe |
| DUTUX NRV CVN 14 | 1/4″ Small | 3.5″ Pipe |
| DUTUX NRV CVN 14 | 1/4″ Big | 6″ Pipe |
👉 Custom tube lengths available: 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 120mm, or as per customer specifications.
👉 Thread sizes can also be customized (BSP, SAE, NPT, or other standards).
🛠️ Material Options
Free Cutting Brass IS 319 Type (I)
Free Cutting Brass as per BS 249 Type (I)
CuZn37Pb3 (BS 2874 Equivalent)
Other Brass Grades: CZ121, CZ131, C3604, CDA 360, DTD 627
Special Brass Composition as per customer requirements
🌟 Special Features
Imported valve core for reliable one-way performance
Double sealing system ensures leak-tight operation
Copper tubes available in different lengths & hardness levels
Knurled valve bonnet for easy grip and handling
Heavy-duty forged brass construction for long service life
Designed to withstand high operating pressures
Go/No-Go gauge tested threading for accuracy
Deep groove design for maximum pull-out resistance
Clean internal & external surfaces for efficient refrigerant flow
High dimensional accuracy & corrosion resistance
Leak-proof, durable & easy to weld
⚙️ Applications
Refrigerators & Freezers
Cold Storage Units
Air Conditioning Systems (Domestic & Commercial)
Automotive Air Conditioning
One-way service valve applications in refrigeration tools
Compatible with all major HFC & HFO refrigerants:
R134a, R404A, R407C, R410A, R507A, R407A, R407F, R448A, R449A, R452A, R450A/R513A
Operating Conditions:
Ambient Temperature: -30°C to +55°C
Medium Temperature: -30°C to +120°C
Max. Operating Pressure: 4.5 MPa (45 bar)
Recommended Installation: Liquid & Suction Line
🎨 Finishing & Coating Options
Natural Brass
Golden Finish
Silver Finish
Nickel Plated
Chrome Plated
Tin Plated
Custom Coating available on request
📦 Packing Options
Bag Packaging
Box Packing
Inner Plastic Packing
Carton Packaging
Wooden Carton Packing
📊 Commercial Details
| Parameter | Details |
|---|---|
| MOQ | 1000 Pieces |
| Lead Time | 3 Working Days |
| Pricing Terms | EX-Work, FOB, C&F, CIF |
✅ Why Choose DUTUX Brass Access NRV Charging Valve Nipple?
Robust construction with double sealing for absolute leak protection
Compatible with multiple refrigerants & system pressures
OEM-friendly with custom tube lengths, threads & branding
Precision machining ensures easy installation & long life
Backed by global supply & fast lead times
📩 Contact us today for OEM solutions, price quotes, or sample requests to meet your refrigeration & HVAC requirements.