Parker接头，parker Seal-lok O型圈平面密封接头，派克接头
Parker接头，parker Seal-lok O型圈平面密封接头又称ORFS接头，工作原理是在接头端面有沟槽，其中放置O型圈，通过平面挤压O型圈来达到密封效果，连接螺母的螺纹为美制UNF螺纹，和国内公制螺纹的平面密封接头类似，目前国内使用较少。
Parker接头，parker Seal-lok O型圈平面密封接头，派克接头主要型号：4 HLO,6 HLO,
8 HLO,8-6 HLO,12 HLO,12-8 HLO,16 HLO,4 F5OLO,4-6 F5OLO,6 F5OLO,6-4 F5OLO,6-8 F5OLO,
8 F5OLO,8-6 F5OLO,8-12 F5OLO,12 F5OLO,12-8 F5OLO,12-16 F5OLO,16 F5OLO,16-12 F5OLO,
4 C5OLO,4-6 C5OLO,6 C5OLO,6-4 C5OLO,6-8 C5OLO,8 C5OLO,8-6 C5OLO,8-12 C5OLO,
12 C5OLO,12-8 C5OLO,12-16 C5OLO,16 C5OLO,16-12 C5OLO,4 HL6,6 HL6,8 HL6,10 HL6,
12 HL6,16 HL6,4 FLO,4-4 FLO,6 FLO,6-6 FLO,6-8 FLO,8 FLO,8-8 FLO,12 FLO,12-8 FLO,
12-16 FLO,16 FLO,16-12 FLO,4 CLO,6 CLO,8 CLO,10 CLO,12 CLO,16 CLO,4M12F87OMLO,
6M14F87OMLO,6M16F87OMLO,8M16F87OMLO,8M18F87OMLO,10M22F87OMLO,12M22F87OMLO,
12M27F87OMLO,16M33F87OMLO,4C4OMLO,4-4C4OMLO,6C4OMLO,6-6C4OMLO,8C4OMLO,8-8C4OMLO,
8-12C4OMLO,10C4OMLO,12-8C4OMLO,12C4OMLO,16-12C4OMLO,16C4OMLO,16-20C4OMLO
