The Betts FH6AL Adapter connects a 6-inch TTMA flange to a half coupler with standard NPT threads. Its bolt pattern follows TTMA recommended practices, and the aluminum construction is rated for a maximum allowable working pressure of 50 psi (3.4 bar). This adapter is built for tank trailer piping connections requiring a flange-to-coupler transition.
Technical Specs List
- Size: 6 inches
- Body Material: Aluminum
- Maximum Allowable Working Pressure: 50 psi (3.4 bar)
- "A" Dimension: 2.31 inches (58.7 mm)
- Flange Outer Diameter: 9.00 inches (228.6 mm)
- Flange Inner Diameter: 6.69 inches (169.9 mm)
- Bolt Holes: 12 holes, 0.44 inches (11.2 mm) diameter, on an 8.13-inch (206.4 mm) bolt circle
- Thread Type: Standard NPT
- Bolt Pattern: TTMA recommended practices











