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
PTR605045	60	50	4.5	PTB4 / NBR 75
PTR634875	63	48	7.5	PTB4 / NBR 75
PTR655075	65	50	7.5	PTB4 / NBR 75
PTR695475	69	54	7.5	PTB4 / NBR 75
PTR705575	70	55	7.5	PTB4 / NBR 75
PTR715675	71	56	7.5	PTB4 / NBR 75
PTR756075	75	60	7.5	PTB4 / NBR 75
PTR806575	80	65	7.5	PTB4 / NBR 75
PTR857075	85	70	7.5	PTB4 / NBR 75
PTR907575	90	75	7.5	PTB4 / NBR 75