Comparison : |
Item # NHAL10D, F-637-31 - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10E, F-637-31 - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10F, F-637-31 - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10H, F-637-31 - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges Item # NHAL10J, F-637-31 - Gate Valve - Class 150, Ductile Iron, Raised Face Flanges
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