Description
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VAF Series (Brass/Bronze)
- Key Materials: Red Brass flexible tubing and Bronze high tensile wire braid.
- Primary Feature: Proven Reliability
- This is the classic, established model line.
- Generally feature a slightly lower MWP than the VAFS series (e.g., 620 psig for mid-range sizes), making them suitable for older or lower-pressure systems.
- Connections are typically made using high-temperature brazing alloys.
| Feature | Description | Benefit |
| Deep Pitch Corrugated Tubing | The internal flexible element has deeply spaced corrugations. | Maximum flexibility and superior vibration absorption. |
| High Tensile Wire Braid | An external braided wire covering the flexible tube. | Superior strength and durability to contain high-pressure refrigerant. |
| Rigorous Testing | Each unit is pressure tested and then vacuum tested using a sensitive helium mass spectrometer leak detection device. | Ensures the highest degree of leak integrity and system cleanliness. |
| Cleanliness | Units are cleaned, dehydrated, and sealed in plastic film after final inspection. | Guarantees cleanliness and dryness prior to installation into the refrigeration system. |
| Approvals | UL Recognized (Underwriter’s Laboratories) for both suction and discharge line applications. | Industry-recognized safety and performance standard. |
. Materials of Construction
| Component | Material | Notes |
| Flexible Tube | Red Brass (Deep-Pitch Corrugated Tubing) | Provides high flexibility for superior vibration absorption. |
| Protective Braid | Bronze Wire Braid (High Tensile) | Reinforces the tube, increases burst strength, and contains high pressure. |
| Connections | Copper (Female Tube Ends) | For easy brazing/sweat-connection into standard copper piping. |
| Ferrules/Reinforcement | Copper | Used to reinforce the ends where the braid is attached to the connection. |
| Joining Method | High-temperature Braze Alloys | Joins the flexible core to the copper ends. (Note: Care must be taken during installation to protect this joint from torch heat.) |
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