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Mechanical Seals

Industrial & Pump Seals

Double Rotary Cartridge Seals

Products in Mechanical Seals

Expert Seal Solutions Tailored to Your Needs

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.

Single Seal with Quench, Drain and Flush

301B single cartridge mechanical seal with flush, quench & drain options, self-aligning faces, carbon restriction bush, fully refurbishable

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Short Working Length Single Cartridge Mechanical Seal

303A short working length single cartridge mechanical seal with flush connection, self-aligning faces, fully refurbishable by First4Seals.

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Single Stationary Cartridge Seals
Single Stationary Cartridge Seal

F4S100 single stationary cartridge seal with flush control and setting clips. Depending on condition

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Compact Single Rotary Cartridge Seal

F4S200 single stationary cartridge seal with flush control, self-aligning faces, corrosion-resistant materials.

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Double Rotary Cartridge Seal – Chemical & Process Applications

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

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

Internal balanced component mechanical seal with non-clogging, hydraulically balanced face. Depending on condition

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Bellow Mech Seals
Bellow Mechanical Seals

Bellows mechanical seals with full-length shaft protection, close radial fit, modular design, and DIN 540 / ISO 3069 compliant.

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Complete Range

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How can we help?

We would be delighted to discuss any requirements that you may have and provide you with a quotation for our services.

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Fenflow
Kellett Gate, Spalding, Lincs, PE12 6EH

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