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Products » Products Home Spin-On Fuel Filters Phase Separation Detection & Water Sensing & Particulate Removing Phase Separation Detection "Alert" & Particulate Removing Water Sensing & Particulate Removing Particulate Removing Only Other Product Categories Filter Elements Adaptors Additional Products Filter Label Legend Spin-on Filter Diagram Adaptors For Fuel Dispenser Filters PetroClear Adaptors are made to fit with today’s most popular spin-on filters. They are designed to allow the filter to do its job more easily. Various in-line thread connections and stud mount options allow for different flow rates and system-specific connections. Part Number Inlet/Outlets Threads Filter Mounting Stud Threads Flow Material .75 B1-12 3/4" BSP 1-12 UNF 3/4" Aluminum .75 N1-12 3/4" NPT 1-12 UNF 3/4" Cast Iron .75 N1-12A 3/4" NPT 1-12 UNF 3/4" Aluminum 1.00 B1-12 1" BSP 1-12 UNF 3/4" Aluminum 1.00 N1-12 1" NPT 1-12 UNF 3/4" Cast Iron 1.00 N1-12A 1" NPT 1-12 UNF 3/4" Aluminum .75 N1.5-16AD 3/4" NPT 1-1/2-16 UNF 1" Aluminum for 3.75” dia "AD" Filters 1.0 N1.5-16AD 1" NPT 1-1/2-16 UNF 1" Aluminum for 3.75” dia "AD" Filters 1.00 N1.5-16 1" NPT 1-1/2-16 UNF 1" Aluminum 1.00 N1.5-16 1-1/2" NPT 1-1/2-16 UNF 1" Aluminum 1.00 B1.5-16 1" BSP 1-1/2-16 UNF 1" Aluminum 1.00 N13/8-12 1" NPT 1-3/8 -12 UNF 1" Cast Iron Download as Excel #.75 N1-12 Description: 3/4" NPT Inlet/Outlet Ports 1-12 UNF3/4" Flow (Cast Iron) Application: 40502/10/30 P 40510 A 40530 A 40510 D 40510/30 W 40810/30 P-DV 40910/30 P 40910/30 W #.75 N1-12A Description: 3/4" NPT Inlet/Outlet Ports 1-12 UNF 3/4" Flow (Aluminum) PetroClear Aluminum Heads are epoxy impregnated. Application: 40502/10/30 P 40510 A 40530 A 40510 D 40510/30 W 40810/30 P-DV 40910/30 P 40910/30 W #1.00 N1-12 Description: 1" NPT Inlet/Outlet Ports 1-12 UNF 3/4" Flow (Cast Iron) Application: 40502/10/30 P 40510 A 40530 A 40510 D 40510/30 W 40810/30 P-DV 40910/30 P 40910/30 W #1.00 N1-12A Description: 1" NPT Inlet/Outlet Ports 1-12 UNF 3/4" Flow (Aluminum) PetroClear Aluminum Heads are epoxy impregnated. Application: 40502 P-AD 40502/10/30 P 40510 A 40510 D 40510/30 W 40810/30 P-DV 40910/30 P 40910/30 W Search Home Products Corporate Technical Information News & Events Contact