BVP-31 Piercing Valve Kit for 6–10mm Copper Tube | AC & Refrigeration
BVP-31 Piercing Valve Tap Kit — Fast, Reliable Refrigerant Line Access
The BVP-31 Zinc Alloy Piercing Valve Kit is engineered for HVAC technicians and DIY enthusiasts who need a quick, leak-free way to access refrigerant lines on air conditioners, refrigerators, freezers, and small refrigeration units. Constructed from high-grade zinc alloy with a hardened steel piercing pin, this tap valve delivers lasting corrosion resistance and consistent performance — no soldering, no brazing, no specialty equipment required.
Key Features
- Durable Zinc Alloy Body: Excellent corrosion resistance stands up to the demands of refrigeration and AC environments for long-lasting service life.
- Wide Tube Compatibility: Fits copper tubes with outer diameters from 6 mm to 10 mm — compatible with most household air conditioners, refrigerators, and compact refrigeration units.
- Tool-Free Simplicity: Includes an Allen wrench for fast, straightforward installation without complex tools or advanced technical skills. The self-piercing design taps directly into the line safely and cleanly.
- Multi-Refrigerant Rated: Suitable for common refrigerants including R22, R134a, R410a, and R404a.
- Complete Kit: Everything you need in one package — valve, Allen wrench, and protective cap included.
Specifications
| Model | BVP-31 |
| Material | Zinc alloy body with steel piercing pin |
| Compatible Tube OD | 6 mm – 10 mm copper tube |
| Refrigerant Compatibility | R22, R134a, R410a, R404a |
| Applications | Air conditioning systems, refrigerators, freezers, small refrigeration units |
| Kit Includes | 1× Piercing valve, 1× Allen wrench, 1× Protective cap |
| Country of Origin | Made in China |
Why Choose a Piercing Valve?
Piercing valves allow technicians and skilled DIYers to add a service port to a sealed refrigerant line without cutting, flaring, or soldering. This makes them ideal for recharging refrigerant, testing system pressure, or diagnosing performance issues quickly and efficiently. For best practices in handling refrigerants and HVAC system safety, refer to the U.S. EPA Section 608 Refrigerant Management guidelines.
Frequently Asked Questions
Q: What copper tube sizes is the BVP-31 piercing valve compatible with?
A: The BVP-31 piercing valve kit is designed to fit copper tubes with outer diameters ranging from 6 mm to 10 mm, making it compatible with the majority of household air conditioners, refrigerators, and small refrigeration systems.
Q: Which refrigerants can I use with this piercing valve tap kit?
A: This valve is rated for common refrigerants including R22, R134a, R410a, and R404a. Always verify working pressure compatibility with your specific system before use.
Q: Do I need special tools to install the BVP-31 piercing valve?
A: No specialized tools are required. The kit includes an Allen wrench for installation. The self-piercing design allows you to tap into the copper line directly — no cutting, flaring, or soldering needed.
Q: Is this valve reusable after installation?
A: Once the piercing pin punctures the copper tube, the valve remains mounted on the line and can be opened or closed using the valve stem as needed. The included protective cap helps keep the service port sealed when not in use.