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robco of america engineered sealing solutions

EVO5 Single spring Cartridge seal

A factory assembled, pressure tested, single spring cartridge seal suitable for abrasive applications and sewage pumps.

Features and Benefits

  • Unique heavy-duty single spring design resists clogging in abrasive applications.
  • Cartridge designed for easy installation.
  • In-field repair kit available to reduce down-time.
  • Static O-Ring eliminates shaft/sleeve fretting.
  • Pressure tested for assurance before leaving Robco’s facility.

Technical Data and Dimensions

All standard dimensions will be customized to fit your application.
INCHES
CODE SIZESHAFT SIZESEAL OUTBOARD DISTANCESEAL OUTBOARD DISTANCESEAL INBOARD DISTANCEBOLT CIRCLE DIA.GLAND PLATE OUTBOARD DISTANCEBOLT SLOT WIDTH
 ABCDEFF
0161.001.6251.4371.3752.7964.0.562
0181.1251.6251.4371.4372.7964.0.562
0201.2502.0001.4371.5623.0624.0.562
0221.3752.0001.4371.6253.0624.0.562
0241.5002.1251.4371.6873.3435.0.562
0261.6252.2811.4371.6873.4725.0.562
0281.7502.4371.4371.6873.6255.5.562
0301.8752.6251.4371.8753.8705.5.562
0322.0002.7501.4372.0004.1255.5.562
0342.1252.8751.4372.0004.1256.0.687
0362.2503.0001.4372.1254.4376.0.687
0382.3753.1561.4372.1254.4376.0.687
0402.5003.2811.4372.2504.6256.0.687
0442.7503.5311.6872.4375.0526.5.687
0462.8753.6561.6872.5005.0626.5.687
0483.0003.8711.6872.5005.5628.0.687
0503.1253.8751.6872.6255.5628.0.687
0523.2504.0001.6872.6255.9378.0.687
0543.3754.1871.6872.7505.9378.0.687
0563.5004.3751.6872.7506.1878.0.687
0583.6254.5001.6872.8756.1878.0.687
0603.7504.6251.6872.8756.4378.0.687
0623.8754.1821.6873.0006.4378.0.687
0644.0004.9371.6873.0006.6879.0.687

SIZES: Metric and sixteenth seals available against specific orders. Larger shaft diameters available against speficic orders.

Find Shaft Rotation

Look into stuffing box from coupling end.
If shaft is rotating clockwise, a (right hand wound spring) is required/ counterclockwise, a (left hand wound spring) is required.

Operating Specifications

Temperature limit:
-40 F to 400 F -400 C to 205 C
Based on standard elastomer.
Pressure limit to: Vacuum to 17.01 kPA (250 psi)
Shaft speeds to: 3600 rpm

Standard Material Construction

Metal Components: 316SS
Face: Chemical Grade Carbon
Optional: Tungsten Carbide
Elastomer: Standard Industrial Compounds
Seat: Ceramic, Silicon Carbide

Total Warranty

All Robco seals are manufactured to exact standards, and are guaranteed free of defects in materials and workmanship. All seals are guaranteed for 90 days from delivery, excepting negligence, misuse and abuse, and will deliver at our expense a new seal to replace any seal found to be defective within said period. No registration card is required.

The warranty is expressly in lieu al all warranties, expressed or implied, and of all obligation or liabilities on our part, including any liability for incidental or consequential damages.

Disclaimer

The temperature limits, pH ranges, pressure ratings, feet per box and shaft speeds shown throughout this pamphlet are representative; the service life and performance of these products can be affected by elevated temperatures and other operating conditions such as chemical resistance, shaft speeds, pressure and equipment in which that the product is being installed. The ratings supplied are suggested as a guideline and should only be used for evaluating your specific application. When in doubt, contact Robco or your ENVIROPAK distributor. The information contained in the pamphlet should not be considered to be a warranty, expressed or implied, including, but not limited to, a warranty of merchantability or fitness for a particular purpose. In no event shall Robco be liable for any incidental or consequential damages resulting from the use, misuse or inability to use the products. This exclusion applies regardless of whether such damages are sought based on breach of warranty, breach of contract, negligence, strict liability in tort, or any other legal theory.

All Robco mechanical seals are manufactured, assembled and tested in America.