Betts formed flanges are designed for use on cargo tanks, offering an economical, lightweight design where the formed edge adds strength and rigidity. Bolt-hole patterns follow TTMA recommended practice, and flange performance depends on proper weld procedure, with an achievable maximum allowable working pressure of 50 psi (3.4 bar).
- Size: 4 inches
- Material: Stainless Steel
- Bolt Pattern: TTMA
- Maximum Allowable Working Pressure: 50 psi (3.4 bar), weld-dependent



