PS-SEAL® PTFE Rotating Shaft Seals

PS-SEAL PTFE rotating shaft seals excel under high pressure and in extreme vacuum.

Advanced rotary shaft sealing designed for industries that demand maximum reliability, extended service life, and protection against contamination.

Where others fail, PS-SEAL® reliably seals rotating shafts at high circumferential speeds, high pressures, and extreme temperatures. PS-SEAL® offers exceptional wear resistance, low friction, chemical compatibility, and full compliance with FDA, USP VI, EN 1935/2004, and ATEX standards, making it ideal for food, beverage, and pharmaceutical industries.

Available in a wide range of lip materials and geometries tailored to abrasion, adhesion, dry running, vacuum, or chemical service, the PS-SEAL® utilizes high-performance GYLON® modified PTFE to maintain contact between the seal and shaft. The result is a seal that can withstand pressures up to 50 times that of standard lip seals, surface speeds up to 45 m/s, and temperatures up to 500º F (260ºC). 

Click here for a library of PS-SEAL® resources, such as case studies and product literature, or learn more via one of our product videos.

Garlock PS-SEAL PTFE Rotating Shaft Seals are excellent in high circumferential speeds.

Industries & Applications

PS-SEAL® is trusted in food, beverage, pharmaceutical, chemical, and industrial processes where traditional seals fail. It thrives in mixers, grinders, conveyors, pumps, dosing systems, separators, and gearboxes exposed to pressure, heat, vacuum, or abrasive media. With FDA, USP VI, EN 1935/2004, and ATEX standards compliance, it meets strict hygienic standards while its chemical resistance ensures reliability through aggressive CIP/SIP cleaning and challenging production cycles.

Companies in the pulp and paper industry look to Garlock for the unique sealing solutions they require.

Protecting Against Contamination

Contamination is a constant risk in hygienic and chemical processing. PS-SEAL® reduces that risk with a smooth surface, cleanable design, and PTFE materials that resist bacteria, debris, and aggressive cleaning agents. By sealing out foreign particles and maintaining integrity through repeated CIP/SIP sanitation, it helps protect product quality, reduce downtime, and ensure compliance with food, pharma, and chemical safety standards.

Garlock offers many marine use, waterproof, abrasion and chemical resistant sealing solutions perfect for the water and wastewater industry.

Tailored Lip Materials and Configurations for Tough Challenges

PS-SEAL® can be customized to the exact demands of your process. With multiple lip geometries and an array of PTFE-based materials, it can be configured to withstand abrasion, adhesion, dry running, vacuum service, or aggressive chemicals. This flexibility ensures each seal is optimized for uptime, reliability, and compliance in the most challenging applications.

Low Lead Times, No Minimum Orders

Garlock makes it easy to get the right seal when you need it. PS-SEAL® is available with short lead times and no minimum order requirements, giving you fast access to proven sealing solutions for urgent or one-off needs. Engineering support is on hand to help match lip and material options to your exact process conditions, ensuring every seal is optimized for reliable performance.

PS-SEAL® Product Videos

View the videos below to learn more about Garlock's PS-SEAL® and see it in action. 

Ask an Engineer - Solving Challenges for Sealing Mixer Shafts

Introducing the PS-SEAL® by Garlock

PS-SEAL® Lip Configurations

Available Lip Materials

LIP MATERIAL INGREDIENTS PROPERTIES COLOR
GYLON® BLACK Graphite » standard material
» perfectly suitable for lubricated applications		 Black
GYLON® WHITE Barium Sulfate » special material
» FDA EN1935 conformity
» recommended for food, pharmaceutical and beverage industries
» partially capable of dry running		 White
GYLON® BLUE Glass-Microspheres » special material
» FDA EN1935 conformity
» very flexible (high recovery capacity)
» recommended for food, pharmaceutical and beverage industries
» brilliant dry running characteristics		 Blue
GYLON® BROWN-WHITE Brown side: Abrasive-resistant additives
White side: Heat dissipating additives		 » special material
» FDA EN1935 conformity
» very flexible (high recovery capacity)
» recommended for food, pharmaceutical and beverage industries
» suitable for abrasive media
F Econol » special material
» FDA EN1935 conformity
» recommended for food, pharmaceutical and beverage industries
» suitable for vacuum-applications
» brilliant dry running characteristics		 Tan
MS Molybdenum Disulfide » special material
» suitable for abrasive media		 Black
KF Carbon Fiber » special material
» suitable for partial-abrasive media
» good dry running characteristics		 Black

PS-SEAL® Resources

PS-SEAL® Product Literature

PS-SEAL® 3D Models

PS-SEAL® Case Studies

GYLON® PTFE Lip Seal Product Videos