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Trelleborg Pneumatic Seals

Home » Seal » Trelleborg Sealing Solutions » Trelleborg Pneumatic Seals

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Pneumatic Seals

Rod, Piston, Static and Compact Seals

Trelleborg Sealing Solutions supplies a number of seals, wear rings and scrapers / wipers specifically engineered for pneumatic applications, where cylinders and valves are actuated by air. Pneumatic seals operate in dynamic applications, often at high speeds, generally with rotary or reciprocating motions. In addition, where a standard product type is not suitable, custom solutions can be developed.
Download Trelleborg’s Pneumatic Seals Catalogue.

Technical Resources

 

Complete Magnet Piston | Pneumatic Seals | Trelleborg

The Complete Magnet Piston fulfils a large number of technical requirements within the pneumatics industry with its double-acting operation, dynamic sealing capability, guidance feature and mechanical end cushioning. An NBR O-Ring statically seals the rod while an integrated magnet detects position.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
32 – 100 mm 1.6 MPa -40°C +80°C 1 m/s
1.25 – 3.94 in 232 psi -40°F +175°F 3 ft/s

Engineered Molded Parts | Pneumatic Seals | Trelleborg

Specialized molded parts with small profiles and specific cross sections can be offered according to ISO 3301-1/M1. Custom-molded parts and static seals are manufactured to close tolerances in a wide range of engineered materials. These are developed in conjunction with Trelleborg Sealing Solutions to the specific requirements of the customer.

Features: Static

Ø – Range Pressure Range Temp. range Velocity
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Pneumatic Cushioning Seal | Pneumatic Seals | Trelleborg

Cushioning seals provide end-of-stroke damping in pneumatic cylinders, eliminating the need for check valves. These polyurethane, high performance seal elements are user-friendly and provide an automatic centering check valve function and easy, snap-in installation.

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
6 – 60 mm 1.6 MPa -40°C +110°C 1 m/s
0.236 – 2.5 in 232 psi -40°F +230°F 3 ft/s

Pneumatic Glyd Ring® for Piston and Rods | Trelleborg

Double-acting Glyd Ring® is available as piston or rod seal and is comprised of a slipper seal and an energizing O-Ring. This means less installation space is required. Different material combinations provide solutions suitable for special pneumatic applications where minimum static and dynamic friction, low stick-slip, high speed performance or wide temperature range are required.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
3 – 2,700 mm 1.6 MPa -30°C +200°C 5 m/s
0.118 – 106 in 232 psi -20°F +390°F 16 ft/s

Pneumatic Piston Seals | Trelleborg Sealing Solutions

The pneumatic product range offers single- and double-acting seals for piston applications. Made from extremely wear resistant material including Zurcon® polyurethane and FKM, these seals fit into small housings and are easily installed. The pneumatic piston seal range is recommended for standard and pneumatic cylinders with dry air.

Features: DoubleActing, Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
4 – 250 mm 1.6 MPa -40°C +85°C 1 m/s
0.157 – 10 in 232 psi -40°F +185°F 3 ft/s

Pneumatic Rod Seal and Rod Seal/Scraper Combination | Trelleborg

Pneumatic rod seals are available as lip seals and rod seal/scraper combinations for closed and open housings. Special materials provide high abrasion resistance and low friction cost-effectively. They are recommended for applications in standard cylinders, installed with a separate scraper or as rod seal/scraper combination for dry air.

Features: DoubleActing, Oscillating, Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
3 – 100 mm 1.6 MPa -40°C +150°C 5 m/s
0.118 – 4 in 232 psi -40°F +300°F 16 ft/s

Pneumatic Scraper / Scraper for Guiding Units | Trelleborg

These two versions of scrapers snap easily into open or semi-open grooves. Their special flexible lip design protects the cylinder from contamination. Where space is at a premium, the 3 mm / .118 in long type AWBB, is recommended (guiding units only).

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
6 – 60 mm — -40°C +80°C 4 m/s
0.236 – 2.5 in — -40°F +175°F 13 ft/s

Pneumatic Seals ARV | Pneumatic Seals | Trelleborg

Asymmetric Variseal® type seal with spring energized sealing lip and scraper lip. Suitable for poor lubrication, high speeds or foodstuff applications (FDA compliant). Very good protection against dirt ingress and Hi-Clean version available with Silicone-filled spring cavity prevents contaminants from being entrapped. A special groove and seal design allows fast installation either automatically or manually.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
10 – 25 mm 1.6 MPa -30°C +80°C 5 m/s
0.39 – 0.98 in 232 psi -22°F +176°F 16 ft/s

Pneumatic Wear Ring for Pistons and Rods | Trelleborg

A complete range of seals and bearings for pneumatics including the most common dimensions for pistons and rods. The guide rings are made of a specially developed, self-lubricating plastic material to provide low friction, wear resistance, long term compression stability and excellent service life.

Features: Helix, Reciprocating and Rotary

Ø – Range Pressure Range Temp. range Velocity
8 – 250 mm 40 MPa -40°C +110°C 1 m/s
0.315 – 10 in 5800 psi -40°F +230°F 3 ft/s

Rubber-to-Metal, Rubber-to-Plastic Bonded Parts | Trelleborg

For certain applications custom seals are most suited. As your development partner, Trelleborg Sealing Solutions can work with you to design, develop and supply rubber-metal parts and bonded seals to your requirements. Metal such as brass, aluminum, steel or stainless steel can be offered with bonding to all elastomer types.

Features: SingleActing and Static

Ø – Range Pressure Range Temp. range Velocity
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Special & Customized Solutions in Polyurethane | Trelleborg

Polyurethane materials have excellent elastic properties and optimum abrasion resistance. Outstanding tensile strength and low compression set offers numerous possibilities for sealing applications within the pneumatic industry. For certain applications custom seals are most suited. As your development partner, Trelleborg Sealing Solutions can work with you to design, develop and supply precision elements and sealing systems suited to your requirements.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
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