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Type 21 Mechanical Seal Reliable Pump Replacement

October 10, 2026
Looking for a reliable alternative to John Crane Type 21 or Flowserve 110 seals? Our Type 21 mechanical seal is designed for centrifugal pumps, compressors, and HVAC systems. Featuring a durable non-clogging single-coil spring and flexible elastomer bellows, it effectively compensates for shaft run-out and wear. Built to handle pressures up to 10 Bar and temperatures up to 205 Celsius, this seal ensures maximum uptime and performance for your rotating equipment. Stop dealing with frequent leaks and equipment downtime. Upgrade to our high-performance sealing solution today. Contact us now for a quote and technical specifications.