100 & 600 Series Part NumberEnd Connection TypeEnd Connection Inlet SizeEnd Connection Outlet SizeOrificeAB1B2CDEFGH 100Male NPT1/81/80.0631.820.910.910.400.382.551.380.3817/32 102Male NPT1/41/40.0631.820.910.910.400.382.551.380.3817/32 104Fractional Tube Fitting1/81/80.0632.341.171.170.400.382.551.380.3817/32 105Male NPT to Fractional Tube Fitting1/81/80.0632.080.911.170.400.382.551.380.3817/32 106Fractional Tube Fitting1/41/40.0632.401.201.200.400.382.551.380.3817/32 110Female NPT1/81/80.0631.820.910.910.400.382.551.380.3817/32 112Male NPT1/81/80.1721.820.910.910.400.382.551.380.3817/32 114Female NPT1/81/80.1721.820.910.910.400.382.551.380.3817/32 116Male NPT1/41/40.1721.820.910.910.400.382.551.380.3817/32 118Fractional Tube Fitting1/41/40.1722.401.201.200.400.382.551.380.3817/32 122Male NPT to Fractional Tube Fitting1/41/40.1722.110.911.200.400.382.551.380.3817/32 123Male NPT to Fractional Tube Fitting1/43/80.1722.110.911.200.400.382.551.380.3817/32 124Fractional Tube Fitting3/83/80.1722.401.201.200.400.382.551.380.3817/32 125Fractional Tube Fitting to Male NPT3/81/40.1722.111.200.910.400.382.551.380.3817/32 600Female NPT1/41/40.0632.001.001.000.440.442.611.380.3817/32 603Male NPT to Female NPT1/41/40.0632.001.001.000.440.442.611.380.3817/32 626Fractional Tube Fitting3/83/80.2502.581.291.290.440.443.151.750.3825/32 636Male NPT3/83/80.2502.281.141.140.440.443.151.750.3825/32 651Fractional Tube Fitting1/21/20.2502.801.401.400.440.443.151.750.3825/32 654Fractional Tube Fitting1/21/20.3122.801.401.400.440.443.151.750.3825/32 657Fractional Tube Fitting1/21/20.3432.801.401.400.440.443.151.750.3825/32 660Female NPT3/83/80.2502.501.251.250.750.693.361.750.3825/32 664Female NPT1/21/20.2502.621.311.310.750.693.361.750.3825/32 600-2Female NPT1/41/40.1722.001.001.000.440.442.611.380.3817/32 600-3Female NPT1/41/40.2012.001.001.000.440.442.611.380.3817/32 603-2Male NPT to Female NPT1/41/40.1722.001.001.000.440.442.611.380.3817/32 603-3Male NPT to Female NPT1/41/40.2012.001.001.000.440.442.611.380.3817/32 660-2Female NPT3/83/80.3122.501.251.250.750.693.361.750.3825/32 660-3Female NPT3/83/80.3432.501.251.250.750.693.361.750.3825/32 664-2Female NPT1/21/20.3122.621.311.310.750.693.361.750.3825/32 664-3Female NPT1/21/20.3432.621.311.310.750.693.361.750.3825/32