150/150L

A simple, reliable sealing upgrade for general-duty equipment.

The Chesterton 150 and 150L single cartridge seals are designed to replace packing and component seals in a wide range of industrial applications. Built for ANSI/ISO process pumps, these seals offer a compact design that installs easily and improves reliability. The 150L features a single screw clamp ring that speeds up installation and helps reduce the chance of error—making it a practical choice for plant-wide standardization.

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Product Features

 Economical upgrade from packing and component seals
Field repairable cartridge design
Engineered gland annulus increases cooling and improves seal reliability

Technical Data ↓

  • 25 mm to 120 mm (.938 inch to 4.750 inch)

  • ISO-3069-S, ISO-3069C, ASME B73.1, ACS

  • 150L - Single Screw Clamp Lock Ring
    150S - Short Outboard Length
    150OS - Oversized Seal Chambers
    150QD - Quench & Drain Ports

Materials ↓

  • CB, TC, SSC

  • FKM, EPDM, FEPM, FFKM

  • EN 1.4401 (316SS), Other Metallurgies available on request

  • EN 2.4819 (Alloy C-276)

Operating Conditions ↓

  • 711 mm (28") Hg Vacuum to 20 bar g (300 psig)

  • -30 to 205 °C (-20 to 400 °F)

  • 20 m/s ( 4000 fpm )

  • Seal pressure capabilities are dependent on the fluid sealed, temperature, speed, and seal face combinations. For operation outside the limits and additional materials consult Chesterton Mechanical Seal Engineering.

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