P:	17 kg/cm&(Mh6u), 62 kg/cm2 (Mh6b)2
T:	-40oC~200oC
V:	25m/s
D:	14mm~100mm (0.500"~6.000")
Materials:
Head:	Carbon, SSiC, SiC, TC.
Seat:	Carbon, SSiC, SiC, TC.
Elastomer:	NBR, EPDM, Viton,AFLAS