ZLG vs. Other Port Sealing Methods
Zero-Leak Gold | SAE (ORB) O-ring Boss | NPT Tapered | Expansion Style | |
Zero-Leak Seal Guarantee | Yes – Lifetime | No | No | No |
Primary Seal | Metal-to-metal | O-ring forced into the port | Threads | Metal-to-metal serrated sleeve |
Secondary Seal | Elastomeric | None | None | None |