| Material (NPT type) | Base nickel-plated steel, element sintered bronze |
| Material (ISO G type) | Base aluminum, element sintered bronze |
| Maximum Flow Coefficient (T20A2800, 3/8") | T20A2800 has Cv 0.8 with 1/4" ports. The 3/8" port model is T20A3800, with Cv 1.7. |