The Parker CPI / A-LOK 37° Flare (AN) to CPI / A-LOK Adapter (X6HBZ6 / X6TU) is an adapter with a 37° flare (AN) end and a CPI / A-LOK tube connection. It comes in 6 size combinations with tube outer diameters from 1/8" to 1". CPI uses a single ferrule and A-LOK a double ferrule.
| Type | 37° flare (AN) to CPI / A-LOK adapter: 37° flare end and tube connection |
| Part Numbers | CPI 2-2 X6HBZ6, A-LOK 2X6TU2 ~ CPI 16-16 X6HBZ6, A-LOK 16X6TU16 |
| Size Numbers | Tube size numbers in the part number are in sixteenths of an inch (for example 1/2" tube = 8) |
| Connection Method | CPI: single ferrule / A-LOK: double ferrule |
| Material | 316 stainless steel (heat code traceable) is standard / Other materials: steel, brass, aluminum, nickel-copper, Hastelloy C, Alloy 600, titanium, 6Mo, Incoloy 625 and 825 |
| Material Codes | Material code added to the end of the part number after a hyphen: B brass / SS or 316 = 316 stainless steel / S steel / A aluminum / M Alloy 400 / HC Hastelloy C-276 / IN Alloy 600 / SS20 Carpenter 20 / 6MO 6Mo / 625 / 825 / T titanium |
| Sizes (inches): tube O.D. by CPI Part Number (A-LOK Part Number) | 2-2 X6HBZ6 (2X6TU2): tube 1/8" / 4-4 X6HBZ6 (4X6TU4): tube 1/4" / 6-6 X6HBZ6 (6X6TU6): tube 3/8" / 8-8 X6HBZ6 (8X6TU8): tube 1/2" / 12-12 X6HBZ6 (12X6TU12): tube 3/4" / 16-16 X6HBZ6 (16X6TU16): tube 1" |