The HOKE GYROLOK reducing port connector joins two ports of different sizes. It comes in fractional and metric (PC/MM) versions.


| Type | Reducing port connector: fractional / PC/MM (metric) |
| Connection | Connects two ports of different sizes |
| Part Numbers | Fractional: 2PC1[ ] to 12PC8[ ] / PC/MM: 6PC3[ ]MM to 25PC18[ ]MM |
| Material (GYROLOK series) | Material code in the [ ] of the part number: brass BR, 304/304L stainless steel, 316/316L stainless steel, Monel M, Hastelloy C-276 HC, Duplex 2205 DX3, Inconel Alloy 625, Inconel Alloy 825, Super Duplex 2507 D50, titanium TI, 254 SMO 6MO (available materials may vary by fitting type and size) |
| Fractional Dimensions by Size (inches) | tube 1/8" x 1/16": A .84 / tube 1/4" x 1/16": A .95 / tube 1/4" x 1/8": A 1.06 / tube 3/8" x 1/8": A 1.16 / tube 3/8" x 1/4": A 1.22 / tube 1/2" x 1/4": A 1.47 / tube 1/2" x 3/8": A 1.55 / tube 3/4" x 1/2": A 2 |
| PC/MM Dimensions by Size (mm) | tube 6 mm x 3 mm: A 29.9 / tube 8 mm x 6 mm: A 29.4 / tube 10 mm x 6 mm: A 31.1 / tube 10 mm x 8 mm: A 33.7 / tube 12 mm x 6 mm: A 39.0 / tube 12 mm x 8 mm: A 40.6 / tube 12 mm x 10 mm: A 39.4 / tube 16 mm x 12 mm: A 50.2 / tube 18 mm x 16 mm: A 50.4 / tube 22 mm x 18 mm: A 53.6 / tube 25 mm x 18 mm: A 58.4 |