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FPE Seals offer a range of Multiple Spring Mechanical Seals.

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Type 1609/ 1609S

Internal multiple spring mechanical seal available with chemically resilient PTFE wedge (Type 1609) or with o-ring (Type 1609S) secondary seal.

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Type 1609B/ 1609BS

Internal multiple spring mechanical seal to suit balanced stepped shafts, available with chemically resilient PTFE wedge (Type 1609) or with o-ring (Type 1609S) secondary seal.

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Type 1645/1645S

Internal multiple spring mechanical seal available with chemically resilient PTFE wedge (Type 1645) or with o-ring (Type 1645S) secondary seal.  Designed to conform to ANSI B 73 fitting dimensions.

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Type 1645B/ 1645BS

Internal multiple spring mechanical seal to suit balanced stepped shafts, available with chemically resilient PTFE wedge (Type 1645BS) secondary seal.  Designed to conform to ANSI B73 fitting dimensions.

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Type 1659/1659S

Internal multiple spring mechanical seal to suit balanced stepped shafts, available with chemically resilient PTFE wedge (Type 1609) or with o-ring (type 1609S) secondary seal. Design to confirm to DIN 24960 fitting dimensions.

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Type 1659B/1659BS

Internal multiple spring mechanical seal to suit balanced stepped shafts, available with chemically resilient PTFE wedge (Type 1659) or with o-ring (Type 1659S) secondary seal. Designed to conform to DIN 24960 fitting dimensions.

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Type 40

Internal balance multiple spring mechanical seal, with robust design and critical components sealed out of operating fluid, is suitable for higher pressure applications.

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