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The Hallite 52 is a two piece piston seal for heavy duty applications which, when installed in pairs, provides an excellent double-acting piston design. It is suitable for difficult operating conditions such as pressure surging, vibration or some misalignment. Both parts are manufactured from rubberised fabric which gives strength and durability and retains lubrication to keep friction low and reduce wear. By extending the centre of the seal past the sealing edges, they are protected from damage should inter-seal pressure force the seal against the housing wall. Grooves across the protruding face allow pressure to reach both sealing edges. The support ring is manufactured from a hard rubberised fabric to protect the seal from extrusion damage. The support ring is manufactured from a hard rubberised fabric to protect the seal from extrusion damage. The ‘U’ shape of the ring provides a secondary seal as pressure deforms the lips to increase the sealing area.
|- 30 ℃ to 100 ℃