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T21-1” Elastomer Bellows Mechanical Seal | 1 Inch Shaft Diameter | John Crane Type 21 Equivalent Model
Price range: $12.50 through $14.00
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Proven Elastomer Bellows Design
Features a robust elastomer bellows that delivers exceptional sealing reliability and longevity for demanding industrial rotating equipment, minimizing leak paths and downtime.
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Seamless John Crane Replacement
Engineered as a direct drop-in equivalent for specific John Crane models. Ensure a perfect fit and immediate performance without any system modifications or adjustments.
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Precision Engineered for 1″ Shafts
Guarantees a perfect fit and stable, vibration-free operation on standard 1-inch (25.4mm) diameter shafts, eliminating installation errors and enhancing operational reliability.
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Simplify Sourcing & Reduce Costs
Achieve significant savings on maintenance and inventory without compromising quality. This high-compatibility seal streamlines your supply chain and reduces total cost of ownership.
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Guaranteed Quality & Consistency
As a part of the certified T21 series, every seal is manufactured to meet strict industrial standards, ensuring you receive consistent, dependable performance in every unit.
The T21-1 Elastomer Bellows Mechanical Seal is a high-performance and reliable sealing solution designed for rotating equipment with a 1-inch shaft diameter. As a direct equivalent to the John Crane Type 21 model, it offers proven performance and cost-effectiveness. Its core feature is a high-quality elastomer bellows that provides excellent flexibility and compensation, effectively adapting to slight axial movement and vibration for long-lasting service in demanding conditions. With a compact design for easy installation, it is widely used in pumps, chemical process equipment, and other general industrial applications handling water, oil, and mild chemical media. Choosing the T21-1 means obtaining stability and sealing performance comparable to the original at an optimized cost, making it an ideal choice for maintenance and upgrades.
| Weight | 1.5 lbs |
|---|---|
| Dimensions | 13 × 8 × 9 in |
| Material | CAR/CER/NBR, CAR/CER/VIT, CAR/SIC/VIT, SIC/SIC/VIT, SIC/SIC/EPDM |
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