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Diaphragm

Mechanical Seal

Overview

The Diaphragm Mechanical Seal from Hydrexa Engineering Pvt. Ltd is engineered for reliable and efficient sealing in pumps and rotating equipment. Its diaphragm design provides flexibility to accommodate shaft misalignment and thermal expansion while maintaining consistent contact between the sealing faces. Ideal for industrial applications, this seal minimizes leakage, reduces maintenance, and enhances equipment longevity. Made from high-quality materials, the Diaphragm Mechanical Seal delivers durable, long-lasting performance across a wide range of fluids and demanding operating conditions.

Diaphragm Mechanical Seal TYPE : HDDP-128

Oparating Limits

Shaft Dia 12 mm to 100 mm (0.47" to 3.94")
Pressure Up to 25 bar (2.5 MPa)
Temperature -40°C to 230°C (-40°F to 446°F)
Shaft Speed Up to 15 m/s

Material of Construction

  • Seal Faces : Carbon, SiC, Ceramic, TC
  • Secondary Seal : EPR, Viton, Silicon, PTFE, Nitrile, Kalrez
  • Metal Components : SS 316, SS 304, Hast-C, Alloy-20

Characteristics

  • Single Acting
  • Diaphragm Mounted
  • Independent of Direction Rotation
  • Unbalanced
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Applications

  • Chemical process pumps
  • Corrosive fluid handling
  • Pharmaceutical processing pumps
  • Food & beverage pumps
  • High-purity water circulation

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