The Parker CPI / A-LOK Ferrule (TZ) is a ferrule for fractional (inch) and metric tubes. It comes in 14 inch sizes with tube outer diameters from 1/16" to 2" and 8 metric sizes from 3 mm to 25 mm.
| Type | Ferrule |
| Part Numbers | 1 TZ ~ TZ 25 |
| 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 |
| Tube O.D. (inches) by Part Number | 1 TZ: 1/16" / 2 TZ: 1/8" / 3 TZ: 3/16" / 4 TZ: 1/4" / 5 TZ: 5/16" / 6 TZ: 3/8" / 8 TZ: 1/2" / 10 TZ: 5/8" / 12 TZ: 3/4" / 14 TZ: 7/8" / 16 TZ: 1" / 20 TZ: 1-1/4" / 24 TZ: 1-1/2" / 32 TZ: 2" |
| Tube O.D. (mm) by Part Number | TZ 3: 3 mm / TZ 6: 6 mm / TZ 8: 8 mm / TZ 10: 10 mm / TZ 12: 12 mm / TZ 16: 16 mm / TZ 20: 20 mm / TZ 25: 25 mm |