Double acting elastomer seal for static and dynamic applications and as a cap energizer. 

Can be supplied in a wide variety of elastomeric materials e.g. nitrile, fluoroelastomer, ethylene propylene, neoprene, silicone, fluorosilicone, etc. PolyMod® low friction O-Rings are recommended for most dynamic applications and are available in all materials except silicone and fluorosilicone. UltraMod™ low friction O-rings are the preferred choice for the lowest friction O-Rings in fluoroelastomer compounds.

Square Ring

Elastomeric square ring for direct contact static seals, cap energizers and in special applications - dynamic seals. These seals have high sealing efficiency and shape stability. PolyMod® and UltraMod™ low friction Square Rings are preferred for dynamic applications. 

Available in many nitrile, ethylene propylene and fluoroelastomer formulations.  UltraMod™ low friction Square Rings are only available in fluoroelastomer materials.

Operating Ranges

Pressure: up to 7250 psi (50 MPa) and higher, depending on gap sizes

Temperature range: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer choice

Q-Ring

Double acting seal for static and dynamic applications. Q-Rings have lower friction than O-Rings and increased resistance to rolling in the gland.

Available in various elastomers. PolyMod® and UltraMod™ low friction Q-Rings are recommended for applications requiring low friction and improved wear. PolyMod® Q-Rings are available in all materials except silicone and fluorosilicone. UltraMod™ Q-Rings are available in fluoroelastomer compounds only.  

Temperature range: approximately -148°F to +500°F (-100°C to +260°C), depending on the compound

Back-Up Ring

Provided as part of a seal assembly to prevent seal-extrusion. Back-up rings are generally used with system pressures of approximately 1150 psi (8 MPa) to 10000 psi (69 MPa). These can be supplied in solid, scarf cut and spiral designs. 

Available in most PolyFluor™ and PolyTel™ materials.

Piston U-Cup

Single acting seal for dynamic applications. Two U-Cups, installed in separate grooves, heel to heel, are required for use on a piston. U-Cups are compact and versatile lip type seals and can be supplied in a wide range of cross sections, diameters, and several configurations, e.g. AN style, rounded or flat lips, symmetric or asymmetric. These designs coupled with the wide range of available elastomer compounds result in a versatile line of sealing devices. PolyMod® and UltraMod™ U-Cups are low friction and long life seals. 

PolyMod® low friction U-Cups are available in most materials- exceptions are silicone and fluorosilicone. UltraMod™ low friction U-Cups are available in fluoroelastomer compounds only.

Operating Ranges

Temperature: approximately -65°F to +400°F (-54°C to +204°C), depending on the elastomer compound

Pressure: In general, pressures up to 1000 psi (7 MPa); higher pressures possible depending on seal configuration and the use of Back-Up Rings

DeltaMod™ Piston Seal assembly

Has a unique geometry to prevent rolling, spiraling and extrusion of the elastomer seal element. The reduced footprint and the PolyMod® or UltraMod™ elastomer provide for both low friction and long wear life while maintaining excellent leakage control. These assemblies can be used in standard O-Ring glands.

PolyMod® low friction DeltaMod™ Piston Seals are available in most materials- exceptions are silicone and fluorosilicone. UltraMod™ low friction DeltaMod™ Piston Seals are available in fluoroelastomer compounds only. The back-up ring elements are available in most PolyFluor™ and some PolyTel™ materials.

 Operating Ranges

Speed: reciprocating motion up to approximately 10 ft/s (3.1 m/s)

Temperature: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer compound

Pressure: Can seal pressures up to 6500 psi (45 MPa)

PolyTee™ Piston Seal assembly

Has a unique geometry to prevent rolling and spiraling of the elastomer seal element. Traditionally this type of seal has been used primarily as a static seal but it works well dynamically as the PolyMod® or UltraMod™ elastomer provides for both low friction and better wear life as compared to conventional T-Seals.  PolyTee™ Seal Assemblies can be used in standard O-ring glands.

PolyMod® PolyTee™ Piston Seals are available in most materials- except silicone and fluorosilicone. UltraMod™ PolyTee™ Piston seals are available in fluoroelastomer compounds only.  The back-up ring elements are available in most PolyFluor™ and some PolyTel™ materials.

Operating Ranges

Speed: reciprocating motion up to approximately 4 ft/s (1.2 m/s)

Temperature: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer compound

Pressure: Can seal pressures up to 6500 psi (45 MPa)

Piston Glide Ring

Double acting seal for pistons subjected to dynamic loads. The Piston Glide Ring has low friction, no stick-slip, minimal break-out forces and is wear-resistant. It can be installed with an O-Ring or, for improved seal force and wear, a Square Ring energizer can be used.

Piston Glide Rings are available in most PolyFluor™ and PolyTel™ materials.

Operating Ranges

Speed: reciprocating motion up to approximately 49 ft/s (15 m/s)

Temperature: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer energizer compound

Dynamic Pressure: up to 11500 psi (80 MPa)

Piston Buffer Ring

Single acting sealing element for pistons subjected to dynamic loads. The Buffer Ring is used together with an O-Ring as an assembly. It  moves easily, has no stick-slip effect, and is wear-resistant. In higher pressure systems it buffers the pressure to prevent seal damage and minimize leakage.

Piston Buffer Rings are available in most PolyFluor™ and PolyTel™ materials.

Operating Ranges

Speed: reciprocating motion up to approximately 49 ft/s (15 m/s)

Temperature: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer energizer compound

Dynamic Pressure: up to 11500 psi (80 MPa)

PolyCap™ Piston Seal Assembly

Double acting seal for pistons subjected to dynamic loads. It fits into standard O-Ring grooves. The PolyCap™ moves easily, has no stick-slip effect, and is wear-resistant. It uses an O-ring energizer. For longer seal life, it is recommended that a PolyMod® or UltraMod™ low friction O-Ring be used. 

PolyCaps™ are available in most PolyFluor™ materials.

Operating Ranges

Speed: reciprocating motion up to approximately 49 ft/s (15 m/s)

Temperature: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer energizer compound

Dynamic Pressure: up to 5000 psi (35 Mpa)

FluoroCap™ Piston Seal Assembly

Has a unique elastomer energizer geometry that allows for a thicker PolyFluor™ cap and distributes seal force over a broader area. This serves to reduce friction and extends service life beyond that for the PolyCap™ Seal. It is recommended primarily as a reciprocating seal, but can be used in static applications.

FluoroCaps™ are available in most PolyFluor™ materials. The elastomer energizer is available in a wide variety of elastomeric materials.

Operating Ranges 

Speed: reciprocating motion up to approximately 49 ft/s (15 m/s)

Temperature: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer energizer compound

Pressure: Can seal pressures up to 6500 psi (45 MPa)

FluoroFlex™ Piston

Single acting sealing element comprising a PolyFluor™ U-shaped ring and a metal spring energizer. Two FluoroFlex Piston seals, installed in separate grooves, heel to heel, are required for use on a piston. The FluoroFlex™ seal is resistant to most liquids and chemicals. It is a low friction seal with no stick-slip effect and is wear-resistant.  It can be used to seal pistons subject to dynamic and static loads.

FluoroFlex™ seals are available in most PolyFluor™ materials.

Operating Ranges

Speed: reciprocating motion up to approximately 49 ft/s (15 m/s)

Temperature: approximately -238°F to +440°F (-150°C to +225°C)

Pressure: up to 6500 psi (45 MPa)

ElastoFlex™ Piston Seal

A single acting PolyFluor™ U-shaped seal with an O-Ring utilized as an elastic spring. It has low friction, no stick-slip effect, and is wear-resistant. It is used for pistons subjected to dynamic and static loads. Two ElastoFlex Piston seals, installed in separate grooves, heel to heel, are required for use on a piston.

ElastoFlex™ Piston seals are available in most PolyFluor™ materials and the O-Ring element is available in a wide variety of elastomeric materials.

Operating Ranges

Speed: reciprocating motion up to approximately 49ft/s (15 m/s)

Temperature: approximately -65°F to +392°F (-60°C to +200°C), depending on the O-Ring compound

Dynamic Pressure: up to 8700 psi (60 MPa)

AP™ Seal

Double acting seal consisting of an uniquely configured plastic body, a Square Ring energizer and a positive contact PolyMod® or UltraMod™ Q-Ring. The plastic seal element is uniformly energized by the Square Ring to maintain proper sealing force even at low system pressure.  The uniform and consistent sealing force applied by the low friction Q-Ring provides for zero leak and zero drift.  The AP Seal is designed for use in hydraulic pistons and gas over oil piston accumulators.

The plastic body can be supplied in most PolyFluor™ and PolyTel™ materials. UltraMod™ low friction Q-Rings are available in fluoroelastomer compounds only.

Operating Ranges

Speed: up to approximately 10 ft/s (3 m/s)

Temperature: approximately -65°F to +392°F (-54°C to +200°C), depending on the elastomer compound

Pressure: up to approximately 5800 psi (40 MPa) dynamically; higher static pressure is possible

FluoroDiamond™ Piston Wear Ring

Piston wear rings are used to guide the piston in the cylinder tube and absorb transverse forces. FluoroDiamond™ refers to a special surface structure which is provided on the sliding surface only.  The advantages are improvement of the lubrication properties, no stick-slip effect, higher load capacity and wear-resistance.

Piston Wear Rings are available in most PolyFluor™ and some PolyTel™ materials.

Operating Ranges

Speed: up to 49 ft/s (15 m/s)

Temperature: -76°F to +392°F (-60°C to +200°C)

Permissible surface pressure: maximum 6600 psi (46 MPa), depending on temperature