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Overview Piston Seals

Hunger DFE piston seals meet and exceed all requirements of modern piston sealing systems. Whether retaining function, separating effect or high frequencies and pressures - with our seals you will achieve maximum service life. We offer high-performance groove ring systems, compact piston seals and slide ring seals for all types of applications and in every material combination.

To download product details please click on each picture or designation.

ProfileDescriptionApplication Limits for Standard Version

Pressure
(bar)

Temp.-range
(°C)

Speed
(m/s)

GD1000K

Slide Ring Seal for Pistons

improved version of GKD with high fluid resistance and wide temperature range

450
[630*] 		-45...+120 1
GKD

Compact Slide Ring Seal

complete system with integrated bearing rings, low friction, high sealing efficiency and simple installation. In new constructions we recommend the use of GD1000K.

450
[630*] 		35...+100 1
GD1000KS

Slide Ring Seal for Pistons

complete system for standard goove dimensions with integrated bearing rings

 360
[500*] 		-30...+120 1
GD2000P

Slide Ring Seal for Plunger

single-acting seal for plunger cylinders with low friction properties

450
[630*] 		-30...+80 1
TDA

Tandem Seal, outside sealing

single acting standard piston seal with excellent sealing function

450
[630*] 		-35...+100 1
TRO-A

Tandem Seal friction optimized, outside sealing

low friction piston seal for hydraulic cylinders

 450
[630*] 		-35...+100 1,5
TDMA

Tandem Seal for Multi-Fluid Application, outside sealing

for multi-fluid applications, e.g. accumulators

250 -35...+100 1
GGDA

Captive Slide and O-Ring Seal, outside sealing

improved version of slide and O-ring seal, no gap extrusion, simple installation, no tilting of the slide ring during operation

450
[630*] 		-35...+100 1
GGDA-SP

Captive Slide and O-Ring Seal, outside sealing, single acting

improved version of slide and O-ring seal, no gap extrusion, simple installation, no tilting of the slide ring during operation

 450
[630*] 		-30...+100 1
ZSDA

Seal for Cylinders with Radial Drillings, outside sealing

for high-pressure cylinders and cylinders with radial drillings

450
[2000*] 		-35...+100 1
GODA

Slide and O-Ring Seal, outside sealing

standard low friction seal

360 -35...+100 1
GDSA

Slide and O-Ring Seal, heavy-duty series, outside sealing

low friction seal "heavy-duty series"

360 -35...+100 1
GODA-SP

Slide and O-Ring Seal, Step Profile, outside sealing

low friction seal single-acting

 360 -35...+100 1
GODA-SPE

Slide and O-Ring Seal, pressure released, outside sealing

low friction seal single acting

360 -35...+100 1
Values marked with * are maximum pressure values for a modified sealing element or modified installation groove. The above values are maximum values which should not occur simultaneously.