Seals


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PTFE

PTFE Filled Bronze with NBR/FKM O Ring Hydraulic Piston Seal Piston Ring Gsf-W

GSF-W
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  1. Application and properties

Suitable for double-acting sealing of reciprocating motion pistons, especially for high-pressure heavy-duty oil cylinders that require low friction, no creeping, and fast response, such as metallurgy, construction machinery, etc.
The friction coefficient is small, wear-resistant, and has a long service life. The adaptability and working temperature range of the working medium can be changed by replacing the square ring material. It can be used for special working conditions such as extremely high speed and extremely low speed.
Suitable for integrated piston and the installation groove is small, which is conductive to design the cylinder size.
Compliant with GB/T 15242.1-94 and GB/T 15242.3-94 standards.
It has high working pressure, good extrusion resistance, and larger installation clearance than general sealing components.

2. Standard material

Sealing ring: filled PTFE
O-Ring: NBR / FKM

3. Working conditions

Working Conditions

Diameter

Range

Pressure

Range

Temperature

Range°C

Speed

Medium

55～2000mm

0～40MPa

-30～100(NBR)

-20～160(FKM)

1.5m/s

Hydraulic oil,

flame retardant liquid, water,

Piston Seals

4. Related Dimensions

R2=0.5～1; C=(0.5～1.0)L; The specific values are selected according to the section size of the seal. The remaining values are listed in the table below:

BoreGrooveGrooveRadiusRadial Clearance e
DiameterDiameterWidth
DdLR116MPa26MPa32MPa40MPa
55.0～149.9D-10.0100.20.60.50.40.4
150.0～244.9D-12.512.50.20.750.650.550.5
245.0～500.0D-15.0150.40.750.650.550.5
500.1～760.0D-17.517.50.60.750.650.550.5
760.1～999.9D-20.0200.60.80.70.60.55
≥1000D-20.020.50.60.80.70.60.55
 

5. Marking method

Marking with the dimentsion of installation groove

For example:GSF-W：GSF-W100×80×10

6. Installation Dimensions

BoreGrooveGroovePart No.BoreGrooveGroovePart No.
Dia.Dia.WidthDiaDia.Width
DdLDdL
554010GSF-W055035032015GSF-W3500
604510GSF-W060035532515GSF-W3550
705510GSF-W070036033015GSF-W3600
806010GSF-W080037034015GSF-W3700
907010GSF-W090038035015GSF-W3800
1008010GSF-W100039036015GSF-W3900
1109010GSF-W110040037015GSF-W4000
1159510GSF-W115045542017.5GSF-W4550
12010010GSF-W120046042517.5GSF-W4600
13011010GSF-W130047043517.5GSF-W4700
14012010GSF-W140047544017.5GSF-W4750
15012512.5GSF-W150051047517.5GSF-W5100
16013512.5GSF-W160053049517.5GSF-W5300
16514012.5GSF-W165054050517.5GSF-W5400
17014512.5GSF-W170055051517.5GSF-W5500
18015512.5GSF-W180056052517.5GSF-W5600
18516012.5GSF-W185057053517.5GSF-W5700
19016512.5GSF-W190058054517.5GSF-W5800
20017512.5GSF-W200059055517.5GSF-W5900
20518012.5GSF-W205060056517.5GSF-W6000
21018512.5GSF-W210061057517.5GSF-W6100
21519012.5GSF-W215062058517.5GSF-W6200
22019512.5GSF-W220063059517.5GSF-W6300
22520012.5GSF-W225064060517.5GSF-W6400
23020512.5GSF-W230065061517.5GSF-W6500
24021512.5GSF-W240065562017.5GSF-W6550
24521515GSF-W245066062517.5GSF-W6600
25022015GSF-W250067063517.5GSF-W6700
26023015GSF-W260068064517.5GSF-W6800
27024015GSF-W270069065517.5GSF-W6900
27524515GSF-W275070066517.5GSF-W7000
28025015GSF-W280072068517.5GSF-W7200
28525515GSF-W285075071517.5GSF-W7500
29026015GSF-W290078074020GSF-W7800
30027015GSF-W300080076020GSF-W8000
30527515GSF-W305082078020GSF-W8200
31028015GSF-W310085081020GSF-W8500
32029015GSF-W320088084020GSF-W8800
32529515GSF-W325090086020GSF-W9000
33030015GSF-W330095091020GSF-W9500
33530515GSF-W335098094020GSF-W9800
34031015GSF-W3400100096020GSF-W10000