The Parker CPI / A-LOK NPT Male Elbow (CBZ / MSEL) connects a fractional tube to an NPT male thread at a right angle. It comes in 34 size combinations with tube outer diameters from 1/16" to 2". CPI uses a single ferrule and A-LOK a double ferrule.
| Type | NPT male elbow: connects a fractional tube to an NPT male thread at a right angle |
| Part Numbers | CPI 1-1 CBZ, A-LOK 1MSEL1N ~ CPI 32-32 CBZ, A-LOK 32MSEL32N |
| Thread | NPT |
| Size Numbers | Size numbers in the part number are in sixteenths of an inch (for example 1/2" tube = 8, 1/4" thread = 4) |
| 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 |
| Note | Sizes 20, 24 require additional lubrication prior to assembly |
| Sizes (inches): Tube O.D. and NPT Thread Size by CPI Part Number (A-LOK Part Number) | 1-1 CBZ (1MSEL1N): tube 1/16" x NPT 1/16" / 1-2 CBZ (1MSEL2N): tube 1/16" x NPT 1/8" / 2-1 CBZ (2MSEL1N): tube 1/8" x NPT 1/16" / 2-2 CBZ (2MSEL2N): tube 1/8" x NPT 1/8" / 2-4 CBZ (2MSEL4N): tube 1/8" x NPT 1/4" / 3-2 CBZ (3MSEL2N): tube 3/16" x NPT 1/8" / 3-4 CBZ (3MSEL4N): tube 3/16" x NPT 1/4" / 4-1 CBZ (4MSEL1N): tube 1/4" x NPT 1/16" / 4-2 CBZ (4MSEL2N): tube 1/4" x NPT 1/8" / 4-4 CBZ (4MSEL4N): tube 1/4" x NPT 1/4" / 4-6 CBZ (4MSEL6N): tube 1/4" x NPT 3/8" / 4-8 CBZ (4MSEL8N): tube 1/4" x NPT 1/2" / 5-2 CBZ (5MSEL2N): tube 5/16" x NPT 1/8" / 5-4 CBZ (5MSEL4N): tube 5/16" x NPT 1/4" / 6-2 CBZ (6MSEL2N): tube 3/8" x NPT 1/8" / 6-4 CBZ (6MSEL4N): tube 3/8" x NPT 1/4" / 6-6 CBZ (6MSEL6N): tube 3/8" x NPT 3/8" / 6-8 CBZ (6MSEL8N): tube 3/8" x NPT 1/2" / 6-12 CBZ (6MSEL12N): tube 3/8" x NPT 3/4" / 8-4 CBZ (8MSEL4N): tube 1/2" x NPT 1/4" / 8-6 CBZ (8MSEL6N): tube 1/2" x NPT 3/8" / 8-8 CBZ (8MSEL8N): tube 1/2" x NPT 1/2" / 8-12 CBZ (8MSEL12N): tube 1/2" x NPT 3/4" / 10-6 CBZ (10MSEL6N): tube 5/8" x NPT 3/8" / 10-8 CBZ (10MSEL8N): tube 5/8" x NPT 1/2" / 10-12 CBZ (10MSEL12N): tube 5/8" x NPT 3/4" / 12-8 CBZ (12MSEL8N): tube 3/4" x NPT 1/2" / 12-12 CBZ (12MSEL12N): tube 3/4" x NPT 3/4" / 14-12 CBZ (14MSEL12N): tube 7/8" x NPT 3/4" / 16-12 CBZ (16MSEL12N): tube 1" x NPT 3/4" / 16-16 CBZ (16MSEL16N): tube 1" x NPT 1" / 20-20 CBZ (20MSEL20N): tube 1-1/4" x NPT 1-1/4" / 24-24 CBZ (24MSEL24N): tube 1-1/2" x NPT 1-1/2" / 32-32 CBZ (32MSEL32N): tube 2" x NPT 2" |