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Boss™ Clamp, 4 Bolt Type, 4 Gripping Fingers

Item # N/A Category
  • 4-bolt type with 4 gripping fingers and 2 clamp sections
  • Bolts in Boss Clamps are designed to bend as they are tightened. This allows the clamp to conform to the hose outside diameter.
  • Always tighten bolts to their specified torque value
  • Periodic re-tightening of bolts is required due to “cold flow” phenomenon present in all rubber hoses
  • Boss Clamps are for single use only! Once removed they are to be discarded.
  • Recommended for steam service up to 450°F

Item # Material Hose Inner Diameter Hose Outside Diameter From Hose Outside Diameter To Torque
225 Zinc Plated Iron 1-1/2" 2-4/64" 2-16/64" 40 ft. lbs.
275 Zinc Plated Iron 2" 2-32/64" 2-48/64" 40 ft. lbs.
375 Zinc Plated Iron 3" 2-32/64" 3-48/64" 60 ft. lbs.