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Industrial & Pump Seals

At Fenflow Limited, our experienced staff are dedicated to helping you specify and supply the correct mechanical seals to match your exact application requirements.
We understand that selecting the right sealing components is critical to maintaining pump efficiency, reducing downtime, and extending equipment lifespan.
That’s why we offer a comprehensive range of both standard and non-standard products designed to suit a wide variety of industrial and commercial needs.
As an authorised distributor for first4seals™, one of the industry’s leading mechanical seal manufacturers, Fenflow Limited provides access to a broad portfolio of high-quality sealing solutions.
Our extensive stock includes: single spring seals, component seals, and both single and double cartridge seals. These are available in rotary and stationary arrangements, ensuring compatibility with a vast range of pump designs and operational conditions.
In addition to standard mechanical seals, we also supply advanced double seal support systems engineered to handle some of the most demanding and challenging applications in industries such as wastewater treatment, chemical processing, mining, and manufacturing. These systems offer enhanced reliability and protection against leakage, safeguarding your processes and equipment.
Our knowledgeable sales and technical teams are on hand to guide you through product selection, ensuring you receive the most suitable seals for your specific operating parameters. We pride ourselves on delivering not just quality products but also expert advice and outstanding customer service throughout the ordering and delivery process.
Whether you require a one-off replacement seal or a complete sealing solution for new equipment, Fenflow Limited is your trusted partner for mechanical seals.
Contact our team today for personalised support and to discuss your requirements. Let us help you find the perfect mechanical seal solution to keep your operations running smoothly and efficiently.

301B single cartridge mechanical seal with flush, quench & drain options, self-aligning faces, carbon restriction bush, fully refurbishable
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303A short working length single cartridge mechanical seal with flush connection, self-aligning faces, fully refurbishable by First4Seals.
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F4S100 single stationary cartridge seal with flush control and setting clips. Depending on condition
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F4S200 single stationary cartridge seal with flush control, self-aligning faces, corrosion-resistant materials.
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Double rotary cartridge seal for chemical and process industries. Cool running, double balanced, high-pressure resistant.
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External balanced component mechanical seal with non-metallic wetted parts, adjustable working length, suitable for chemical use.
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Internal balanced component mechanical seal with non-clogging, hydraulically balanced face. Depending on condition
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Bellows mechanical seals with full-length shaft protection, close radial fit, modular design, and DIN 540 / ISO 3069 compliant.
View DetailsFenflowKellett Gate, Spalding, Lincs, PE12 6EH