Quick fitting for simple attachment and detachment, and wide variety of specifications: NCU specification that does not generate copper ions, non-lubricant specification, and stainless steel for metal parts specification.
| Model | Name | Outer Diameter of Tube | Connection Screw |
| TS, ATS | Straight | Φ 4 ~ Φ 16 | M3X0.5 ~ R1/2 |
| TSH, ATSH | Hexagon Socket Head Straight | Φ 4 ~ Φ 12 | |
| TSK | Cartridge | Φ 4 ~ Φ 6 | M6X0.75, M8X0.75 |
| TSM, ATSM | Female Straight | Φ 4 ~ Φ 12 | M3X0.5 ~ R3/8 |
| US | Union Straight | Φ 4 ~ Φ 16 | - |
| USD | Different Diameter Union | ||
| UK, AUK | Union for Bulkhead | Φ 4 ~ Φ 12 | |
| AUKM | Female Union for Bulkhead | Rc1/8 ~ Rc1/2 | |
| UKB | Union for Bulkhead B | - | |
| UR | Reducer | Φ 4 ~ Φ 10 | |
| TL, ATL | Elbow | Φ 4 ~ Φ 16 | |
| TLL, ATLL | Long Elbow | Φ 4 ~ Φ 12 | |
| SL | Swing Elbow | Φ 4 ~ Φ 16 | M5X0.8 ~ R1/2 |
| SLH | Hexagon Socket Head Swing Elbow | Φ 4 ~ Φ 12 | - |
| SLM | Female Swing Elbow | ||
| UL | Union Elbow | Φ 4 ~ Φ 16 | |
| UKBL | Elbow for Bulkhead | Φ 4 ~ Φ 12 | |
| ULA | Socket Elbow | ||
| ULAL | Long Socket Elbow | ||
| ULAD | Different Diameter Socket Elbow | Φ 4 ~ Φ 10 | |
| TLV | 45 Degree Elbow | Φ 4 ~ Φ 6 | M5X0.8 ~ R1/8 |
| ULAV | 45 Degree Socket Elbow | - | |
| TT, ATT | Tee | Φ 4 ~ Φ 16 | M3X0.5 ~ R1/2 |
| TB, ATB | Branch Tee | ||
| UT | Union Tee | - | |
| UTD | Different Diameter Union Tee | Φ 4 ~ Φ 12 | |
| ATBY | Branch Y | M5X0.8 ~ R1/2 | |
| ATBLY | Branch Elbow Y | ||
| SLY | Swing Elbow Y | ||
| SLYM | Female Swing Elbow Y | ||
| UY | Union Y | - | |
| UYD | Different Diameter Union Y | Φ 4 ~ Φ 10 | |
| ULY | Union Elbow Y | Φ 4 ~ Φ 12 | |
| UB | Branch Union Y | ||
| UBD | Different Diameter Branch Union Y | Φ 4 ~ Φ 10 | |
| UXA | Cross A | Φ 4 ~ Φ 6 | |
| UXB | Cross B (Different Diameter) | ||
| UXC | Cross C (Different Diameter) | ||
| UZ | Tetra Union | Φ 4 ~ Φ 12 | |
| ATBZ | Branch Tetra | M5X0.8 ~ R1/2 | |
| UWD | Different Diameter Double Y | Φ 4 ~ Φ 8 | - |
| ATBW | Branch Double Y | Φ 4 ~ Φ 6 | R1/8 ~ R1/4 |
| UBW | Branch Union Double Y | - | |
| UED | Different Diameter Triple | Φ 4 ~ Φ 10 | |
| ATBE | Branch Triple | R1/8 ~ R3/8 | |
| UBE | Branch Union Triple | - | |
| ATBEW | Branch Triple Double | R1/4 ~ R1/2 | |
| UEDW | Different Diameter Triple Double | - | |
| TJ | Jack | M5X0.8 ~ R3/8 | |
| AN | Socket Nipple | Φ 4 ~ Φ 16 | - |
| AND | Different Diameter Socket Nipple | ||
| BB | Extension Bush | - | M5X0.8 ~ Rc1/2 |
| BBD | Different Diameter Extension Socket | Rc1/8 ~ Rc1/2 | |
| UP | Plug | Φ 4 ~ Φ 16 | - |
| UC | Cap | Φ 4 ~ Φ 12 |
US 1658 
CN 262 
MY 181 
AP 141 
AU 111 
GB 79 
IE 56 
NZ 47 
