HOKE GYROLOK Chromatography Fittings are 316 stainless steel tube fittings for gas and liquid chromatography. They have low dead volume and come in male nut configurations, with press-fit or drop-in frits, or fritless, as column end fittings, unions, reducing unions and male connectors.
| Application | Tube fittings for gas or liquid chromatography |
| Material | 316 stainless steel |
| Temperature Rating (316 Stainless Steel) | -325 °F to +800 °F (-200 °C to +425 °C); intermittent use to 1200 °F is possible, but prolonged exposure to temperatures over 800 °F is not recommended |
| Pressure Rating | Rated for working pressures higher than the tubing recommended for use |
| Design Features | Low dead volume, male nut configuration, press-fit or drop-in frits, fritless configurations, controlled ferrule drive |
| Frit Sizes | Press-fit frits: P = 0.5 micron, R = 2 micron, T = 5 micron, V = 10 micron / drop-in frits: E = 2.0 micron, G = 5.0 micron, I = 10 micron |
| Column End Fitting (for Drop-in Frit) | 4FUM1-316: tube 1/4" × 1/16", length 1.57" / 6FUM1-316: 3/8" × 1/16", 1.65" / 8FUM1-316: 1/2" × 1/16", 1.93" / 16FUM1-316: 1" × 1/16", 2.30" |
| Drop-in Frit (Column O.D.) | 4FRIT[ ]-316: 1/4" / 6FRIT[ ]-316: 3/8" / 8FRIT[ ]-316: 1/2" / 16FRIT[ ]-316: 1" |
| Column End Fitting (with Press-fit Frit) | 2FUM[ ]1-316: tube 1/8" × 1/16", length 1.50" / 4FUM[ ]1-316: 1/4" × 1/16", 1.57" / 6FUM[ ]1-316: 3/8" × 1/16", 1.64" |
| Union (with Press-fit Frit) | 2FU[ ]1-316: tube 1/8" × 1/16", length 1.36" / 4FU[ ]1-316: 1/4" × 1/16", 1.47" / 6FU[ ]1-316: 3/8" × 1/16", 1.56" |
| Column End Fitting (Fritless) | 2FRUM1-316: tube 1/8" × 1/16", length 1.41" / 4FRUM1-316: 1/4" × 1/16", 1.48" / 6FRUM1-316: 3/8" × 1/16", 1.56" |
| Reducing Union | 2FRU1-316: tube 1/8" × 1/16", length 1.33" / 4FRU1-316: 1/4" × 1/16", 1.47" / 6FRU1-316: 3/8" × 1/16", 1.56" |
| Reducing Union (Male Nut) | 2MRU1-316: tube 1/8" × 1/16", length 1.91" |
| Union (Male Nut) | 1MU-316: tube 1/16" × 1/16", length 1.84" / 2MU-316: 1/8" × 1/8", 2.18" |
| Male Connector (Male Nut) | 1MCM1-316: tube 1/16", pipe size 1/16 NPT, length 0.880" / 1MCM2-316: 1/16", 1/8 NPT, 0.940" / 1MCM4-316: 1/16", 1/4 NPT, 1.160" |