Rotary seals and shaft seals

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rod seal - 450 bar, -35 °C ... +100 °C | TDI series

The Hunger TDI tandem seal for inside sealing is a
piston rod seal.
It can be used with mineral oils and in modifi ed form
with water base fl uids, fi re resistant fl uids and compressed
air.
The TDI seal consists of 2 parts, an...

rod seal - 300 bar, max. 80 °C | EVD series

The EVD Externally Adjustable Sealing System is a
revolution in the fl uid sealing technology. The patented
system provides for the fi rst time the possibility of externally
adjusting and infl uencing the sealing function and
frictional behaviour of...

rod seal - 360 bar, -35 °C ... +100 °C | TDT series

The Hunger tandem seal type TDT is designed for use
with telescopic cylinders. It can be used with mineral
oils or compressed air.
The TDT seal is manufactured in PUR and has two
sealing lips on the inside. Prior to fitting, these lips
protrude beyond the nominal diameter of the seal. Following
installation,...

rod seal - 250 bar, -35 °C ... +100 °C | NDT series

The Hunger NDT lip seal is an addition to the TDT...

rod seal - 250 bar, -35 °C ... +100 °C | TDMI series

The Hunger TDMI tandem seal for multi-fluid inside
sealing applications, is used to seal piston rods and
plungers. It can be used with mineral oils and in modified
form with water base fluids, fire resistant fluids
and compressed air.
The...

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tree seal - max. 20 bar, max. 500 °C | Espey WD100 series

Split housing design
Multi-part seal rings, radially cut
Very small operation gap low leakage
Dry running
Self-adjusting seal rings
Seal rings bear radial shaft movements
Compensates axial shaft movements
No sealing...

tree seal - 1.5 bar, -120 °C ... +500 °C | Espey WDKS-Eco series

Features

Multi-part seal rings, radially cut
Split housing design
Very small operation gap - low leakage
Dry running
Self-adjusting seal rings
Compensation of radial and axial shaft deflections
Short axial installation length
Standardized...

tree seal - 15 bar, -120 °C ... +500 °C | Espey WKA250ND series

Features

Chamber seal (modular design), optional with housing and lid
Multi-part seal rings, radially cut
Very small operation gap - low leakage
Dry running
Self-adjusting seal rings
Compensation of radial and axial shaft deflections
No sealing components mounted on...

tree seal - 65 bar, -120 °C ... +225 °C | Espey WKA700 series

spey WKA700

Espey WKA700



Dimensions

PDF Data sheet
Contact

Features
Chamber seal (modular design can be combined in any order), optional with housing and lid for screw compressors with one-part and horizontally split housing.

Very small operation gap low leakage
Dry running
...

tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

Multi-part seal rings, radially cut
Split housing design
Very small operation gap - low leakage
Dry running
Self-adjusting seal rings
Compensation of radial and axial shaft deflections
No sealing components mounted on the shaft and hence no additional shaft vibrations
...

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tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

Rotary shaft seals with PTFE seal-
ing lips are sealing elements -
ready for assembly - which...

tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

Spring-energized seals are single-
acting sealing elements primarily
used for sealing reciprocating
pistons...

tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

memory packings are single-
acting sealing elements with excel-
lent sliding properties. They are
used primarily for sealing...

tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

No stick-slip even with low sliding
speeds
Extremely low breakaway forces
even after prolonged downtimes
Low wear and...

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tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

The new generation of GFD-rotary shaft lip seals were especially developed for useunder difficult and extreme conditions.
The superior properties of PTFE as lip material combined with a corrosion resistant...

tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

GFD metal C-rings are static sealing elements for machines and installations with high requirements. Metal C-rings are considerably more elastic than metal O-rings and other metal seals.

The prestressed forces are approx. At one third of the ones metal O-rings (compare diagram page 7). However these prestressed forces differentiate...

tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

The GFD spring energized PTFE seal is the newest generation of spring actuated Teflon seals. These seals consist of a special precision jacket/lip made of Teflon (or other high performance polymers) and a corrosion resistant stainless steel spring.

In this combination, the spring is forcing the seal...

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tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

• The part numbers indicated in bold
type are normally...

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tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

These nylon washers are designed to prevent the loss of screws and bolts and to protect surfaces. The washer allows preliminary...

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tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

Manufacturing a customized seal ring in link with specifications, and machining it to the required degree of flatness are not major engineering challenges. The problem is that the ring must remain flat to function...

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tree seal - 20 bar, -120 °C ... +800 °C | Espey WD200 series

Bal Seal originally developed the spring-energized PTFE seal to meet cryogenic requirements in the aerospace industry....

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tree seal - -450 °F ... +540 °F, max. 120000 psi

From a standard Polyking™ U-Cup to a seal that will withstand liquid hydrogen at temperatures ranging from -450F to 540F, or one that will hold up...

piston seal - -65 °F ... +200 °F

In situations where temperatures range from -65F to + 200F a polyurethane seal is often the most economical and best design...

piston seal - -65 °F ... +200 °F

Rotary seal design requires even more care than for reciprocating seals. This is due to the increased potential for wear and seal failure due to frictional...

PTFE seal / spring - -300 °F ... +550 °F, 5000 psi

The requirement for low coefficients of friction, less than .08, temperatures ranging from -300F to 550F, pressures in excess of 5000 psi, the need to seal a corrosive acid .....These are the typical kinds...

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rod seal - max. 550 bar (8000 psi) | Enerlip®, Enerlip HP series

Greene. Tweed s RSR* rod or pistor. seal features a specially
engineered elastomer profile that provides exceptional "dry rod*
sealing under dynamic conditions. The...

rod seal - -54 °C ... +232 °C (-65°F ... +450°F) | Ese

Generally used as a primary rod seal in dynamic tandem systems, Greene, Tweeds new ESE design is available for use in either one or two back-up gland widths. The ESE provides superior performance in tandem seal applications. Its unidirectional, self-venting design is complemented with a high modulus back-up ring that is installable...

ring lip seal - max. 330 °C (625 °F) | MSE®

The MSE® seals superior designed dual-lip body offers improved sealing performance. An unlimited number of custom-engineered MSE configurations...

ring lip seal - RSA Seal®

Greene, Tweeds RSA Seal® (Rubber-Spring Actuated) offers low compression set, high tear resistance, modulus, abrasion resistance and long life in rugged operating conditions....

double-acting seal - 10000, 12000 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 been required, as well as for retrofit in standard grooves designed for O-rings with zero, one, or two backups.

This proven seal combines a tough, resilient, T-shaped sealing ring with precisely-dimensioned pressure actuated non-extrusion...

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double-acting seal - 10000, 12000 series

Locking and sealing of your assembly washer + screw, or standard nut (category 8.8 or less).

No Nylstop or lock nut required.

Easier...

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sealing ring - H32-OLIVE series

The PTFE provides different groove rings from different high performance plastics for...

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rotating shaft seal - ø 25 - 610 mm | 33K series

Split seal design for bearing and gearbox protection
Chesterton® patent pending 33Ks split rotary seal design can be used on in many non-pressure applications including bearing protection for pumps,...

bearing protection seal - ø 20 - 150 mm | 30K series

Continuous design, high performance lip seal
Chesterton® 30Ks lip seals are high performance lip seals that are ideal for dynamic rotary seal applications. These seals provide...

ring lip seal / PTFE / for rotating shaft - ø 25 - 200 mm | 30KC series

Chesterton provides comprehensive engineered polymer solutions for an array of applications. Its range of polymer seals is designed to deliver outstanding performances in a vast gamut of installations spanning the pneumatic, rotary and hydraulic machinery sectors. In order to provide complete value...

ring lip seal / PTFE / for rotating shaft - ø 180 - 1405 mm | 50K series

Mill Rotary Face Seal
Designed to protect against ingress of solid particles, dust, and fluids...

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rotating shaft seal - ø 273 -1380 mm | 5xk series

We can supply all kinds of size, a variety of series, international standard and manufacture it according your drawing

The...

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rotating shaft seal - ø 273 -1380 mm | 5xk series

Valvograph Rings
To answer the large expansion of the BALL VALVES segment, Carrara S.p.a. has organized its own Valvograph Rings productions...

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