H-1423N: With lock wing ground key angle meter valve with meter flange x lock wing ground key angle meter valve with meter flange. By-pass with lock wing Mueller® Ball Valve
H-1423-2-01N: With lock wing ground key angle meter valve with meter flange x angle dual check valve with meter flange. By-pass with lock wing Mueller Ball Valve and check valve (without by-pass check valve
B1423-99000N/H-1423-299000N:With lock wing ground key angle meter valve with meter flange x lock wing ground key valve with meter flange. Elevated by-pass with Mueller Ball Valve with lock device (with check valve: H-1423-2-99000N)