Comparison : |
Item # NHAL1CX, F-637-31 Large Diameter - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10T, F-637-31 Large Diameter - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10U, F-637-31 Large Diameter - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10V, F-637-31 Large Diameter - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10W, F-637-31 Large Diameter - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges
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