The Parker CPI / A-LOK 37° Flare Bulkhead Connector (XH2BZ / XABC) is a bulkhead connector with a 37° flare end and a CPI / A-LOK tube connection. It comes in 11 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 bulkhead connector: 37° flare end and tube connection |
| Part Numbers | CPI 2-2 XH2BZ, A-LOK 2XABC2 ~ CPI 16-16 XH2BZ, A-LOK 16XABC16 |
| 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): flare end, tube O.D. by CPI Part Number (A-LOK Part Number) | 2-2 XH2BZ (2XABC2): flare end 1/8", tube 1/8" / 3-3 XH2BZ (3XABC3): flare end 3/16", tube 3/16" / 4-2 XH2BZ (4XABC2): flare end 1/4", tube 1/8" / 4-4 XH2BZ (4XABC4): flare end 1/4", tube 1/4" / 5-5 XH2BZ (5XABC5): flare end 5/16", tube 5/16" / 4-6 XH2BZ (4XABC6): flare end 1/4", tube 3/8" / 6-6 XH2BZ (6XABC6): flare end 3/8", tube 3/8" / 8-8 XH2BZ (8XABC8): flare end 1/2", tube 1/2" / 10-10 XH2BZ (10XABC10): flare end 5/8", tube 5/8" / 12-12 XH2BZ (12XABC12): flare end 3/4", tube 3/4" / 16-16 XH2BZ (16XABC16): flare end 1", tube 1" |