Multiple Spring Mechanical Seals

Type 1609/ 1609S

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

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.

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.

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.

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.

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.

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.

Multiple Spring Seals