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Compact Single Rotary Cartridge Seal

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Website Listing – F4S200 Single Stationary Cartridge Seal – Flush Control

Product Overview:
The F4S200 is a hydraulically balanced single stationary cartridge seal designed for medium-duty industrial pumps. It incorporates environmental flush control, which helps maintain proper lubrication and cooling of the seal faces, reducing wear and extending service life. The seal features self-aligning stationary and rotary faces for precise operation and consistent sealing performance. High-quality materials are used throughout, including 316L stainless steel sleeves, SiC rotary faces, Viton/EPR/Aflas/Kalrez O-rings, and phosphor bronze setting clips, ensuring chemical resistance and durability in a variety of pumping applications. Depending on condition, all First4Seals cartridge seals can be fully refurbished.

Key Features:

  • Single stationary cartridge seal for pumps

  • Hydraulically balanced design reduces face wear

  • Flush control included as standard to protect seal faces

  • Self-aligning stationary and rotary faces for reliable operation

  • Setting clips for accurate installation

  • High-quality corrosion-resistant materials

  • Fully refurbishable

Bill of Materials (BOM):

POSITEMMATERIALS
1Sleeve O-RingViton / EPR / Aflas / Kalrez
2Sleeve316L SS
3Drive Pin316L SS
4Rotary FaceSiC
5Rotary Face O-RingViton / EPR / Aflas / Kalrez
6Stationary Face316L SS – Carbon / SiC
7Stationary Face O-RingViton / EPR / Aflas / Kalrez
8GasketFawn Gylon
9SpringAlloy 276
10Gland316 SS
11Clamp Ring316L SS
12Drive ScrewStainless Steel
13Anti Tamper ScrewStainless Steel
14CirclipStainless Steel
15Setting ClipPhosphor Bronze
16Setting Clip ScrewsStainless Steel

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