Constructed of brass, these Moeller valves meet ABYC H-24 requirements, and provide anti-siphon protection.
Three and four-way valves provides for withdrawal from one tank at a time only.
• Three-way valve: connects 2 permanent tanks to a single engine
• Four-way valve: connects 3 permanent tanks to a single engine
Heavy on the technical side...
ABYC H-24 Standards for Gasoline Fuel Systems
Section 24.18.2.8
Threaded connections into fuel tanks shall be in accordance with the American Standard Taper Pipe Thread (NPTF).