VPN-00253250
PISTON ROD: GB 699-1999 GRADE 45
CYLINDER WALL: GB 699-1999 GRADE 20
PISTON: GB 1348-88 GRADE QT600-3A
SEAL RING: BRAND, THE US PARKER, ENGLAND HALLITE, JAPAN NOK, GERMANY CFW ETC.
DIAMETER OF CYLINDER WALL: 80mm
DIAMETER OF PISTON ROD: 25.4mm
STROKE: 79.5MM
WORING PRESSURE: 31MPA