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c416

The Hallite 416 is a buffer seal developed to work in conjunction with high performance rod seals, such as the Hallite 605 and 621.

It has a bronze filled PTFE ring with a pre-loaded lip energised by an O-Ring. Theseal is designed to protect the primary rod seal from pressure spikes in the cylinder. It has a self relieving design in order to prevent excessive pressure build up in the cavity between the buffer seal and the rod seal.

The special PTFE ring has the low frictional properties normally associated with this material but is strenthened by additives to reduce creep. It has a low breakout friction so stick slip is eliminated.

Standard seals are supplied with a nitrile O-Ring but other materials can be provided.

The PTFE ring should always be mounted with the internal step on the pressure side. Sizes above 30mm are easily installed by deforming the PTFE ring into a kidney shape. Sizes under 30mm are best installed using a tool, details of which can be provided.

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