Greene, Tweed & Co. Datasheets for Dynamic Seals

Dynamic seals include oil seals, hydraulic and pneumatic seals, exclusion seals, labyrinth seals, bearing isolators, and piston rings. They create a barrier between moving and stationary surfaces in applications such as rotating shafts and pistons rings.  This is a general search form; more detailed search forms are available.
Dynamic Seals: Learn more

Product Name Notes
VEE Rings Series A multi-lip (redundant), pressure-activated seal is constructed of elastomeric and/or thermoplastic components. Pressure differential develops across each lip and a column mechanical load expands across the entire packing set and...
ACGT Rings Series
ACGTL Rings Series
CAPPED GT & GTL SEALS With Greene, Tweed’s ACGT™/ACGTL™ rings seal extrusion gaps and high pressures are not a problem. Both are designed for effective, long-sealing life in high- and...
ESE Seals Series Generally used as a primary rod seal in dynamic tandem systems, Greene, Tweed’s new ESE design is available for use in either one or two back-up gland widths. The ESE...
2145 Scraper Series
2280 Scraper Series
4186 Scraper Series
Scrapers and Wipers
Greene, Tweed offers a variety of scrapers and wipers to match any application challenge. From harsh media to extreme environmental conditions, Greene, Tweed provides the most reliable materials and scraper...
4270 Series Back-Up Rings Greene, Tweed’s 4270 series has been specifically designed for use in MIL-G-5514 gland configurations as anti-extrusion devices in conjunction with O-rings, packings or other elastomeric seal types. A variety of...
ENERCAM Seals Series Greene, Tweed’s Enercam (patent pending) seal was developed for extremely demanding flight control environments but is also an outstanding choice in a wide variety of applications where superior leakage control...
GLIDETEC Energized Cap Seals Series Greene, Tweed’s Glidetec™ O-ring energized cap seal offers simplicity and low cost. Suitable for use in spool valves or where AS or MIL spec grooves are not required, the Glidetec...
4330 Series Back-Up Rings
4340 Series Back-Up Rings
Greene, Tweed’s new 43 back-up ring series has been specifically designed for use in AS5857 gland configurations as anti-extrusion devices in conjunction with O-rings, packings or other elastomeric seal types.
Rubber Spring Actuated Seals Series Greene, Tweed’s RSA Seal® (Rubber-Spring Actuated) offers low compression set, high tear resistance, modulus, abrasion resistance and long life in rugged operating conditions. The RSA seal with full heel...
Rubber Spring Return Seals Series Greene, Tweed’s RSR™ rod or piston seal features a specially engineered elastomer profile that provides exceptional “dry rod” sealing under dynamic conditions. The RSR’s endless, trapezoidal wedge-shaped back-up ring has...
STATIC FACE Seals Series Greene, Tweed’s Static Face™ Seals are designed to eliminate sealing problems in face-mounted assemblies where large clearances can occur and/or pressures up to 10,000 psi (690 bar) are encountered. Engineered...
AGT Rings Series HIGH-PERFORMANCE BIDIRECTIONAL SEALS Greene, Tweed’s AGT® ring, a double-acting rod or piston seal, provides the quality and reliability the Aerospace industry requires. The AGT ring offers an outstanding combination...
High Squeeze AGT S+ Rings Series HIGH-SQUEEZE AGT RINGS FOR STATIC APPLICATIONS UTILIZING AS5857 GLANDS Greene, Tweed’s AGT® S+ rings have been specifically designed in response to the current SAE AS5857 standard. The AS5857 specification...
Double-acting PTFE Scraper The 2270 series is an O-ring-energized, double-acting PTFE scraper, adapted for nonstandard glands. The 2270 scraper is a low friction, bidirectional design with ingression control that can be used as a secondary seal.
ADVANCAP O-Ring Energized Seals Series The Advancap™ rod and piston seals are designed to provide a cost-effective cap seal solution that prevents extrusion and eliminates O-ring spiral failure in dynamic applications. Each seal combines a...
Capped GT Rings Series The Greene, Tweed Capped G-T™ Ring is a double-acting, highpressure piston seal that combines the space-saving and nonextrusion features of more conventional compression-type seals with the low-friction, long-life characteristics...
ENER-CAP II High-Performance Bi-Directional Seals Series
ENER-CAP II HP High-Performance Bi-Directional Seals Series
The Greene, Tweed Ener-Cap® II is a self-actuating, pressure-activated hydraulic seal that optimizes cap seal performance within standard Aerospace seal glands. The Ener-Cap II HP includes one or two...
ENERLIP HP Pressure Variable Seals Series
ENERLIP Pressure Variable Seals Series
The Greene, Tweed Enerlip® and Enerlip HP are high-performance, low leakage, pressure-variable seals developed to combine low breakaway friction with ease of installation. The unidirectional seal consists of a...
Metal Spring Energized Seals Series The MSE® seal's superior designed dual-lip body offers improved sealing performance. An unlimited number of custom-engineered MSE configurations are available. Greene, Tweed's MSE seals
RSA (Rubber Spring Actuated) Scraper The RSA (Rubber Spring Actuated) scraper provides superior contaminant exclusion in the most rugged service conditions. A compression-activated device, the RSA scraper uses a low com-pression set rubber O-ring œspring
Rubber Spring Actuated Scraper Series The RSA (Rubber Spring Actuated) scraper provides superior contaminant exclusion in the most rugged service conditions. A compression-activated device, the RSA scraper uses a low com-pression set rubber O-ring “spring”
G-T Ring 10,000 Series
G-T Ring 12,000 Series
The unique G-T® Ring provides a compact double acting seal for use in a new design for heavy duty applications where a more bulky type of seal had previously...
G-T Ring 11,000 Series The unique G-T® Ring provides a compact double-acting seal for use in new design for heavy duty applications where a more bulky type of seal had previously been required,...
G-T Ring 13,000 Series
G-T Ring 14,000 Series
The unique G-T® Ring provides a compact double-acting seal for use in new designs for light or heavy duty applications where a more bulky type of seal had previously...
G-T Ring 32 Series The unique G-T® Ring provides a compact double-acting seal for use in heavy-duty applications that previously required a more bulky type of seal, as well as for retrofit in...
G-T Ring Series The unique G-T® Ring provides a compact, double-acting seal for use in new designs or existing applications where O-rings are failing. The G-T Ring can be retrofitted into standard...
“Self-Venting” O-ring Energized Scrapers These œself-venting O-ring energized scrapers are designed to provide maximum exclusion capabilities when used in Type I or Type II gland configurations of SAE AS4088 and AS4052. The same rod and gland diameters...
228X Series Self-Venting Scraper Series
5460 Series Self-Venting Scraper Series
These “self-venting” O-ring energized scrapers are designed to provide maximum exclusion capabilities when used in Type I or Type II gland configurations of SAE AS4088 and AS4052. The same rod...
4230 Series Back-Up Rings
4240 Series Back-Up Rings
This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is...
ACT Rings Series Using FEA (Finite Element Analysis) and expertise in seal design, Greene, Tweed has taken the concept behind our renowned AGT® seal, optimized the design of the elastomer and anti-extrusion...
ACGT-HP Rings Series
ACGTL-HP Rings Series
With Greene, Tweed’s ACGT™-HP/ACGTL™-HP seals extrusion gaps and high pressures are no longer a challenge. The ACGT-HP is a bidirectional design while the ACGTL-HP is designed for unidirectional applications. Both...