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Single Seal with Quench, Drain and Flush

301B

Product Overview

The 301B single cartridge mechanical seal is a hydraulically balanced, rotary design seal engineered for durability and reliability. It features self-aligning faces and a carbon restriction bush, making it ideal for demanding pump and rotating equipment applications.

This mechanical seal includes Flush, Quench, and Drain options for environmental control, and depending on condition, all First4Seals cartridge seals can be fully refurbished to extend service life.


Key Features

  • Type: Single Cartridge Mechanical Seal

  • Design: Hydraulically balanced, rotary design

  • Environmental Control: Flush, Quench, and Drain options

  • Self-Aligning Faces for precise operation

  • Refurbishable: Can be fully refurbished depending on condition

  • Materials: High-quality corrosion and wear-resistant materials


Bill of Materials (BOM)

POSITEMMATERIALS
1Sleeve O-RingViton / EPR / Aflas / Kalrez
2Sleeve316L SS
3Rotary Face O-RingViton / EPR / Aflas / Kalrez
4Rotary Face316L SS – Carbon / SiC / TC
5SpringAlloy 276
6Stationary FaceCeramic / SiC / TC
7Stationary Face O-RingViton / EPR / Aflas / Kalrez
8Gland316L SS
9GasketNovus 30 / PTFE
10Alignment Ring316L SS
11Restriction BushCarbon
12Restriction Bush O-RingViton / EPR / Aflas / Kalrez
13Clamp Ring316L SS
14Clamp Ring O-RingNitrile / Viton
15Drive ScrewStainless Steel

Applications

  • Pumps and rotating equipment

  • Chemical processing and food & beverage industry

  • Water treatment plants

  • Quarrying and industrial machinery

  • Anywhere environmental control with flush, quench, and drain is required

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