| Material Temperature Range | PEEK (-50℃~+260℃), ETFE (-80℃~+150℃) |
|---|---|
| Thread Specification | 1/4-28UNF, M6, 10-32UNF, 5/16-24UNF, 1/2-20UNF |
| Compatible Tubing | For 1.6/2.0/2.5/3.0/3.2/4.8/6.4mm OD PTFE/FEP and other semi-rigid tubing |
| Features | Traditional flat-bottom fitting. Does not change tubing ID, no flow restriction, stable flow; can be repeatedly disassembled without affecting sealing |
| B. 6-40 UNF (thread pitch) | 0.6350 mm |
| C. 5/16-24 UNF (thread pitch) | 1.058 mm |
| 1/2-20UNF (thread pitch) | 1.270 mm |
| Applications | Laboratory automation, analytical instruments, pharmaceutical, biotech, OEM |
| Certifications | Manufactured under ISO 9001 QMS · CE/RoHS/FDA compliance varies by model (certificates available upon request) |
PEEK 倒锥接头是一种两件式卡套接头，由卡套和螺母组成。拧紧螺母时，倒锥结构会抓紧管路外壁。由于内孔为平底设计，它不会缩小管路内径，因此不存在会滞留样品或限制流量的台阶。
选 PEEK 还是 ETFE？
PEEK 适用于更高温度和机械强度要求，最高 260 °C；当更看重化学兼容性或较低温度范围时选 ETFE。
卡套可以重复使用吗？
卡套压紧后会产生永久变形。在分析系统中不建议重复使用，因为渗漏或死体积会影响结果。
会限制流量吗？
不会。平底设计不改变管路内径，因此既不限制流量，也没有样品残留的死角。
This product is sourced factory-direct from a certified Chinese manufacturer. You pay the factory price — no markup. Our income comes from the export tax rebate, not from your bill.