Mechanical Seals
Style SMS1
Single Stationary Multiple Spring Cartridge with Circulation Gland
- Part of Flex-A-Seal’s integrated/platform single cartridge seal design;
- Patent pending Plunger-Lock drive;
- Industries leading economical single stationary cartridge design;
- Monolithic face w/ homogenous material;
- Drive mechanisms out of product;
- Springs are out of product, minimizes corrosion and stress related failure;
- Unique shrouded rotary for maximum face protection and reliable startup;
- Uniform 360 degree transfer of torque to rotating face;
- Seal faces positioned in gland for maximum protection;
- Dynamic elastomer moves on nonmetallic surface eliminating fretting;
- Faces designed for optimum heat dissipation;
- Sleeve is isolated from product;
- Hydraulically balanced;
- Easy cartridge installation;
- Flush position maximizes face cooling;
- Fits all standard and large bore ANSI pumps;
- Metric sizes are available.
SMS3 with Circulation, Vent & Drain Gland
- All the benefits of the SMS1 design plus vent and drain gland with throttle bushing
- Pipe connections are made to different sizes to assure that correct piping plans are employed
- Cost-effective “upgrade”
Operating Conditions
Max Temp - 400ºF (204ºC)
Max Pressure - 300 PSI (20 bar)
Max Speed - 6000 FPM (30 m/sec)
Note: Max Temperature / pressure / speed indicate operating extremes independently and do not imply the seal will function at these extremes at the same time. Contact Flex-A-Seal if in doubt.
