Rubber shaft packing seal, mono-coil spring, shaft packing drive,  

For various types of small size motor driven well pumps for home use.  

適用範圍 ( Applications ) 

最大壓力 ( Max. Pressure )  ---  -720mmHg ~ 7kg/cm^2_G 

溫度範圍 ( Temperature Range )   ---  -20ºC ~ +100ºC