John Crane A21-1250-021 Mechanical Seal
John Crane
Mfg: Naniwa Pump Mfg Co.
A21-1250-021
4501223261
Bhr-50-3
Mechanical Seal
520
21-30 Ø
Eqp: Composite Boiler Feed W. Pump
For Horizontal Centrifugal
P/no: A2ds0302
Weight : 110 Gm
Ref No(S) : 65275
Introducing the John Crane A21-1250-021 Mechanical Seal, a high-performance sealing solution meticulously crafted by John Crane, a trusted name in the industry. This mechanical seal, identified as A21-1250-021, is manufactured by Naniwa Pump Mfg Co. and is designed for exceptional performance and longevity. With a part number of 4501223261 and designated as Bhr-50-3, this seal is engineered to meet the demands of a variety of applications. Here’s an in-depth exploration of this remarkable product:
How It Works: The John Crane A21-1250-021 Mechanical Seal is designed to prevent the leakage of fluids in rotating equipment, particularly in pumps and mixers. It operates by creating a dynamic seal between a stationary and a rotating component. This seal consists of two key parts: the primary sealing ring (the “seal face”) and the secondary sealing elements (typically O-rings or elastomer bellows). When the equipment is in operation, the seal face maintains contact with the rotating shaft, creating a barrier that prevents the escape of liquids or gases. This mechanism ensures the integrity of the equipment and prevents environmental contamination or product loss.
When to Use: The A21-1250-021 Mechanical Seal is ideal for a range of applications, including:
- Composite Boiler Feed Water Pumps
- Horizontal Centrifugal Pumps
- Various Industrial Equipment Requiring Leak Prevention
Where to Use: This mechanical seal is suitable for use in industries and environments where the reliable sealing of fluids or gases is essential, including:
- Power Generation
- Petrochemical
- Water and Wastewater Treatment
- Manufacturing
How to Use:
- Ensure the equipment is properly shut down and depressurized.
- Remove the existing seal, if applicable, by following the manufacturer’s guidelines.
- Carefully install the A21-1250-021 Mechanical Seal according to the provided instructions.
- Verify that all sealing components are correctly positioned and lubricated.
- Restart the equipment and monitor for any leaks or abnormal operation.
Specifications/Features:
- High-Quality Mechanical Seal
- Suitable for Composite Boiler Feed Water Pumps
- Robust Construction for Durability
- Designed for Horizontal Centrifugal Pumps
- Precision Engineering Ensures Leak Prevention
Benefits:
- Reliable Fluid and Gas Sealing
- Extended Equipment Lifespan
- Reduced Risk of Contamination or Product Loss
- Suitable for a Range of Industrial Applications
- Easy Installation and Maintenance
