Type 170 Seal

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An external PTFE (Teflonâ) based bellows seal for highly corrosive fluids.  Type 170 has an integral glass filled PTFE face while Type 171 employs a silicon carbide insert for superior wear characteristics.  

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External Teflonâ  Bellows seal.

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Unwetted metal parts.

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Glass filled PTFE face for Type 170.

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Sintered SiC face for Type 171.

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Pre-set operating length with snap tabs in Imperial and Metric sizes.

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Multi-coil spring design for even load distribution.

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Large tolerance to axial and angular motions.

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Temperature range of -50°C to 120°C.

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Speeds to 4000 RPM and pressures to 6 bar, depending on size, sealed media and operating conditions.

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316 SST metal parts with Hastelloy springs.