For secure tube connection and fluid system installation using double ferrule tube fittings in inch and metric sizes.
This tube fitting cross is designed for four-way connection in fluid and gas piping systems, allowing a single line to be distributed in multiple directions within a compact layout. The fitting adopts a symmetrical cross-body structure, providing balanced connection on all four ports for stable installation and efficient flow distribution.
The product is available in both inch tube sizes and metric tube sizes, ensuring compatibility with different tubing standards.
Each model is defined with detailed dimensional parameters including L, C, G, F, and E, allowing accurate selection based on installation space and system layout requirements. The standardized dimensional design ensures consistent connection and easy integration into existing piping systems.
This type of cross fitting is suitable for applications where multiple branch connections are required in a limited space, providing a practical solution for tubing distribution in instrumentation, pneumatic, and fluid control systems.
| Tube OD (in.) | Basic Part No. | L (in/mm) | C (in/mm) | G (in/mm) | F (in/mm) | E (in/mm) |
| 1/8 | -C-FL2 | 0.88 (22.4) | 0.50 (12.7) | 0.44 (11.1) | 0.37 (9.5) | 0.09 (2.3) |
| 3/16 | -C-FL3 | 0.96 (24.4) | 0.54 (13.7) | 0.50 (12.7) | 0.44 (11.1) | 0.12 (3.0) |
| 1/4 | -C-FL4 | 1.06 (26.9) | 0.60 (15.2) | 0.56 (14.3) | 0.50 (12.7) | 0.19 (4.8) |
| 5/16 | -C-FL5 | 1.17 (29.7) | 0.64 (16.2) | 0.63 (15.9) | 0.63 (15.9) | 0.25 (6.4) |
| 3/8 | -C-FL6 | 1.20 (30.5) | 0.66 (16.8) | 0.69 (17.5) | 0.63 (15.9) | 0.28 (7.1) |
| 1/2 | -C-FL8 | 1.42 (36.1) | 0.90 (22.9) | 0.87 (22.2) | 0.81 (20.6) | 0.41 (10.4) |
| 5/8 | -C-FL10 | 1.53 (38.8) | 0.96 (24.4) | 1.00 (25.4) | 1.00 (25.4) | 0.50 (12.7) |
| 3/4 | -C-FL12 | 1.57 (39.9) | 0.96 (24.4) | 1.13 (28.6) | 1.06 (27.0) | 0.62 (15.7) |
| 7/8 | -C-FL14 | 1.76 (44.7) | 1.02 (25.9) | 1.25 (31.8) | 1.37 (34.9) | 0.72 (18.3) |
| 1 | -C-FL16 | 1.93 (49.0) | 1.23 (31.2) | 1.50 (38.1) | 1.37 (34.9) | 0.88 (22.4) |
| Tube OD (mm) | Basic Part No. | L (mm/in) | C (mm/in) | G (mm/in) | F (mm/in) | E (mm/in) |
| 3 | -C-ML3 | 22.3 (0.88) | 12.9 (0.51) | 12.0 (0.47) | 9.5 (0.37) | 2.4 (0.09) |
| 4 | -C-ML4 | 25.4 (1.00) | 13.7 (0.54) | 12.0 (0.47) | 12.7 (0.50) | 2.4 (0.09) |
| 6 | -C-ML6 | 27.0 (1.06) | 15.3 (0.60) | 14.0 (0.55) | 12.7 (0.50) | 4.8 (0.19) |
| 8 | -C-ML8 | 29.9 (1.18) | 16.2 (0.64) | 16.0 (0.63) | 15.9 (0.63) | 6.4 (0.25) |
| 10 | -C-ML10 | 33.5 (1.32) | 17.2 (0.68) | 19.0 (0.75) | 20.6 (0.81) | 7.9 (0.31) |
| 12 | -C-ML12 | 36.0 (1.42) | 22.8 (0.90) | 22.0 (0.87) | 20.6 (0.81) | 9.5 (0.37) |
| 16 | -C-ML16 | 37.0 (1.46) | 24.4 (0.96) | 25.0 (0.98) | 23.8 (0.94) | 12.7 (0.50) |
| 18 | -C-ML18 | 38.3 (1.51) | 24.4 (0.96) | 30.0 (1.18) | 27.0 (1.06) | 15.1 (0.59) |
| 20 | -C-ML20 | 44.6 (1.76) | 26.0 (1.02) | 32.0 (1.26) | 34.9 (1.37) | 15.9 (0.63) |
| 22 | -C-ML22 | 44.7 (1.76) | 26.0 (1.02) | 32.0 (1.26) | 34.9 (1.37) | 18.3 (0.72) |
| 25 | -C-ML25 | 49.2 (1.94) | 31.3 (1.23) | 38.0 (1.50) | 34.9 (1.37) | 21.8 (0.86) |
Selection can be made based on specific tube size and ordering code.
For instrument and process systems requiring controlled pressure venting, safe isolation, and reliable atmospheric discharge during maintenance or calibration procedures.
For precision pressure isolation, flow control, and instrument protection applications requiring reliable shut-off performance and long-term sealing integrity under high pressure and wide temperature ranges.
For automatic and remote control of high-pressure fluid systems in extreme working environments.
For precise flow control and reliable shut-off in ultra-high pressure gas and liquid systems, suitable for extreme pressure and temperature operating conditions.
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