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
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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 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...
The 2270 series is an O-ring-energized, double-acting PTFE scraper, adapted for nonstandard glands. The 2270 scraper is a low friction, bidirectio nal design with ingression control that can be used as a secondary...
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...
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...
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...
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...
The MSE® seal's superior designed dual-lip body offers improved sealing performance. An unlimited number of custom-engineered MS E configurations are available. Greene, Tweed's MSE seals
The RSA (Rubber Spring Actuated) scraper provides superior contaminant exclusion in the most rugged service conditions. A compression-activate d device, the RSA scraper uses a low com-pression set rubber O-ring...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...