Products → Mechanical Seals → Cartridge Seals → 150/150L

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.
Not Sure What You’re Looking For? Contact Us

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.