SPECIAL PACKING FOR PISTON SEAL

This tandem seal PTR is a piston seal provides the designer with a compact low

friction seal for light to medium duty hydraulic cylinders. It is designed to have

high contact area with the rod to retain the media at low pressure. Standard seals

are supplied with a nitrile sq ring but other materials can also be provided.

• Mobile hydraulics

• Agriculture equipment

• Machine tools

• Lift platefroms

• Main seal- PTB4 / PTB6

• Sq Ring- NBR 75 / VKM75

Part No.	D1	d2	L	Material
PTR28025612	280	256	12	PTB4 / NBR 75
PTR29026612	290	266	12	PTB4 / NBR 75
PTR30027612	300	276	12	PTB4 / NBR 75
PTR31028612	310	286	12	PTB4 / NBR 75
PTR32029612	320	296	12	PTB4 / NBR 75
PTR33030810	330	308	10	PTB4 / NBR 75
PTR36033612	360	336	12	PTB4 / NBR 75
PTR40037612	400	376	12	PTB4 / NBR 75
PTR48545515	485	455	15	PTB4 / NBR 75
PTR50047015	500	470	15	PTB4 / NBR 75