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FPP Piston Seal

Movement

Reciprocating

Configuration

Medium Pressure

Action

Double

Description:

The FPP is a four piece, profile ring activated, compact piston seal with integrated back-up rings. Designed for medium pressure applications, with great resistance to pressure spikes. It has excellent friction characteristics, as well as being suitable for slow start applications.

Features:
  • Good guidance
  • Long sealing life
  • Space Saving
  • Simple fitting
  • Quick assembly
  • Simple groove design
  • Good resistance to pressure spikes
Applications:
  • General cylinders
  • Medium pressure applications
Technical Data
Sealing Element:

Material:

Nitrile/FKM/HNBR/Urethane/Hytrel

Material Code:

0101/0201/0120/2001/4001

Note: Alternative materials are available upon request

Energizer:

Material:

Nitrile/FKM/HNBR

Material Code:

0101/0201/0120

Note: Alternative materials are available upon request

Back-up Rings:

Material:

PEEK/Carbon Filled PTFE

Material Code:

5001/1006

Note: Alternative materials are available upon request

Temperature:

-200°C to +260°C

-320°F to +500°F

Note: Temperature can vary depending material chosen, as well as extrinsic factors.

Speed:

5 ft/s

Pressure:

7,500 psi (up to 10,000 with added back-up ring)

Media:

Chemical compatibility chart

Note: All parameters can vary depending on the specific application, please take the above information as a general guideline. Should you have any concerns please contact us at This email address is being protected from spambots. You need JavaScript enabled to view it.

Hardware Design Guidelines & Part Numbers

Radial clearances: inch"

N/A

Note: Please contact KC Seals for more info This email address is being protected from spambots. You need JavaScript enabled to view it.

Surface finish: µinch

Roughness DepthMating SurfaceGroove Surface
Rmax 40-160 <625
RzDin 25-100 <400
Ra 4-16 <63

Note: The sizes listed below are all standard profile dimensions, K.C. Seals can and does manufacturer to non-standard housing dimensions. All sizes are in metric.

Style Part #Bore Diameter AGroove Diameter BGroove Width D
FPP 50 36 9
FPP 55 41 9
FPP 60 46 9
FPP 63 48 11
FPP 65 50 11
FPP 70 55 11
FPP 75 60 11
FPP 80 65 11
FPP 85 70 11
FPP 90 75 11
FPP 95 80 12.5
FPP 100 85 12.5
FPP 105 90 12.5
FPP 110 95 12.5
FPP 115 100 12.5
FPP 120 105 12.5
FPP 130 107 16
FPP 135 112 16
FPP 140 117 16
FPP 145 122 16
FPP 150 127 16
Style Part #Bore Diameter AGroove Diameter BGroove Width D