Typical Configuration Example of Packings

Technical information

View Hydraulic Cylinders

The schematics are typical seal systems applicable to hydraulic cylinders.

(The schematics only show the configurations of the packings while they do not suggest any design of cylinder structures)

5MPa Or less{50kgf/cm² Or less}

①Piston packings:OSY-Packings
②Piston wear rings:SWA-Wear rings
③Rod packings:SKY(RNY)Packings
④Wipers:SDR(SCB・SCK)Wipers
⑤Cushion seals:KCS-Cushion seals

14MPa Or less{140kgf/cm² Or less}

①Piston packings:SKY(RGY)-Packings
②Rod packings:SKY(RNY)-Packings
③Wipers:SDR(SCB・SCK)-Wipers

14MPa Or less{140kgf/cm² Or less}

①Piston packings:SKY(RGY)-Packings(w/back-up ring)
②Piston wear rings:SW-Wear rings
③Rod packings:SKY(RNY)-Packings(w/back-up ring)
④Wipers:SCB(SDR・SCK)-Wipers

14MPa Or less{140kgf/cm² Or less}

①Piston packings:HSD-Packings(w/back-up ring)
②Piston wear rings:SWA-Wear rings
③Rod packings:SKY(RNY)-Packings
④Wipers:SDR(SCB・SCK)-Wipers

17.5MPa Or less{175kgf/cm² Or less}

①Piston packings:GPY-Packings
②Rod packings:GNY-Packings
③Wipers:SCB(SDR・SCK)-Wipers

17.5MPa Or less{175kgf/cm² Or less}

①Piston packings:GPY-Packings(w/back-up ring)
②Piston wear rings:SW-Wear rings
③Rod packings:GNY-Packings(w/back-up ring)
④Wipers:SCB(SDR・SCK)-Wipers

21MPa Or less{210kgf/cm² Or less}

①Piston packings:SKY(RGY)-Packings
②Piston wear rings:S-LEEVE (WPB type)
③Rod packings:SKY(RNY)-Packings
④Rod bearrings:S-LEEVE (WRB type)
⑤Wipers:SCB(SDR・SCK)-Wipers

21MPa Or less{210kgf/cm² Or less}

①Piston packings:GPY-Packings(w/back-up ring)
②Piston wear rings:SW-Wear rings
③Rod packings:GNY-Packings(w/back-up ring)
④Wipers:SCB(SDR・SCK)-Wipers

25MPa Or less{250kgf/cm² Or less}

①Piston packings:GPY-Packings(w/back-up ring)
②Piston wear rings:SW-Wear rings
③Rod packings:GNY-Packings(w/back-up ring)
④Wipers:SCB(SDR・SCK)-Wipers

View Pneumatic Cylinders

The schematics are typical seal systems applicable to pneumatic and hydro-pneumatic cylinders.

(The schematics only show the configurations of the packings while they do not suggest any design of cylinder structures)

Pneumatic Cylinders

①Piston packings:PGY-Packings
②Piston wear rings:SWA-Wear rings
③Rod packings:PNY-Packings
④Wipers:SFR(SDR)-Wipers
⑤Cushion seals:PCS-Cushion seals

Pneumatic Cylinders

①Piston packings:PSD(PPD)-Packings
②Piston wear rings:SWB-Wear rings
③Rod Packing & Wiper: PDU-Packing
④Cushion seals:PCS-Cushion seals

Pneumatic Cylinders

①Piston packings:PPY(MYP)-Packings
②Rod packings:PRY(MYR)-Packings
③Wipers:SER-Wipers

Hydro-pneumatic cylinders

①Piston packings:OSY-Packings
②Piston wear rings:SWB(SWA)-Wear rings
③Rod packings:SKY-Packings
④Wipers:SDR(SCB)-Wipers
⑤Cushion seals:YCS-Cushion seals