功能：SPGW型是双向活塞专用组合密封圈，由PTFE密封环、橡胶弹性环和两个挡圈组成，用于液压油缸的活塞双向密封。PTFE密封环具有摩擦系数低、耐磨损、抗挤压、耐高温、耐腐蚀等优良特性。橡胶弹性环提供平稳的补偿磨损径向弹力，使用不同材质的矩形环可以使SPGW型适应非常广泛的工况。SPGW型特别适用于高压工况下活塞的双向密封，改进了SPG型的刮油能力。SPGW型适用于铲车转臂缸、悬臂缸、铲斗缸，推土机起升缸、平铲缸，起重机滑动缸、液压悬架油缸，自卸卡车，压力机，注塑机等。
材质：PTFE+NBR+聚酰胺树脂
型号密封件公称尺寸沟槽尺寸NOK零件号DdhDdHCSPGW-5050368.5503694GS0535V2SPGW-6060468.5604694GS0528V2SPGW-63634810.56348115GS3347V2SPGW-65655010.56550115GS3013V2SPGW-70705510.57055115GS0607V2SPGW-75756010.57560115GS0995V2SPGW-80806510.58065115GS0608V2SPGW-85857010.58570115GS0813V2SPGW-90907510.59075115GS0609V2SPGW-95958010.59580115GS0481V4SPGW-10010085121008512.55GS0610V2SPGW-10510590121059012.55GS0973V2SPGW-11011095121109512.55GS0611V2SPGW-11510012.56.5GS0626V2SPGW-1201201051212010512.56.5GS0612V4SPGW-12512510215.5125102166.5GS0583V2SPGW-.5130107166.5GS0613V4SPGW-.5135112166.5GS0908V4SPGW-.5140117166.5GS0432V4SPGW-.5150127166.5GS0614V4SPGW-.5160137166.5GS0615V2SPGW-.5170147166.5GS0688V2SPGW-.5180157166.5GS0616V2SPGW-.5185162166.5GS0653V2SPGW-.5190167166.5GS0644V2SPGW-20020017715.5200177166.5GS0617V2SPGW-21021018715.5210187166.5GS0654V2SPGW-22022019715.5220197166.5GS0655V2SPGW-22522520215.5225202166.5GS0618V2SPGW-23023020715.5230207166.5GS0664V2SPGW-24024021715.5240217166.5GS0656V2SPGW-2502502221725022217.56.5GS0451V4SPGW-2602602321726023217.57.5GS0605V2SPGW-2702702421727024217.57.5GS0689V2SPGW-2802802521728025217.57.5GS0619V2SPGW-3003002721730027217.57.5GS0510V2SPGW-3203202921732029217.57.5GS0690VNOK密封件的主要型号：（轴封）IDI、ISI、SPNO、IUH （孔封） SPGW SPGO OSI ODI （双用）USIUSH UPH 等，防尘DKI DWI DKB DKH DSI LBI LBH等，（缓冲环）HBY HBTS SPNS,（骨架油封）SB/SC TB/TC TCV/TCN以及 CFW 的系列产品等。其他品部的 O-RING 橡胶制品等等。详情请咨询客服！！！！！
