Advanced Qt-21 Pump Seal: Reliable Mechanical Seal Solutions

Product Details
Customization: Available
Structure: Single End
Pressure: Medium Pressure Mechanical Seals
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  • Advanced Qt-21 Pump Seal: Reliable Mechanical Seal Solutions
  • Advanced Qt-21 Pump Seal: Reliable Mechanical Seal Solutions
  • Advanced Qt-21 Pump Seal: Reliable Mechanical Seal Solutions
  • Advanced Qt-21 Pump Seal: Reliable Mechanical Seal Solutions
  • Advanced Qt-21 Pump Seal: Reliable Mechanical Seal Solutions
  • Advanced Qt-21 Pump Seal: Reliable Mechanical Seal Solutions
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Basic Info.

Model NO.
QT-21
Speed
General Speed Mechanical Seal
Temperature
Temperature Mechanical Seal
Performance
Corrosion
Standard
Standard
Balance
Unbalanced
Pump Seal
John Crane Type 21
Aesseal
AES P04
Flowserve Seal
Flowserve 110
Roten Seal
Roten 21A
Sterling Seal
Sterling 212A
Transport Package
Customized Package
Specification
standard
Trademark
QT
Origin
China
HS Code
84842000
Production Capacity
10000

Product Description

Parameter Details
Model Number QT-21
Type Double Spring / Unbalanced / Pusher Design
Material Options  
- Primary Ring Silicon Carbide (SiC) / Tungsten Carbide (WC)
- Mating Ring Carbon Graphite / Alumina Ceramic
- Elastomers Ethylene Propylene (EPDM) / Nitrile (NBR)
- Metal Parts Stainless Steel (SS304 / SS316)
Operating Limits  
- Pressure 0~0.8 MPa (116 psi)
- Temperature -30°C to +150°C (-22°F to +302°F)
- Speed ≤15 m/s (≈49 ft/s)
Shaft Diameter 15~80 mm (0.6~3.1 in) [Adjustable]
Fluid Compatibility Water, Diesel, Lubricants, Non-corrosive Media
Standards ISO 9001, EN 12756
Applications Centrifugal Pumps, Agitators, Marine Equipment
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