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Seal Solutions Australia
Unit 1,12 Kewdale Road, Welshpool WA 6106
Piston Seal Assemblies – Double Acting

Piston Seal Assemblies – Double Acting

Description
Double-acting piston seals have a symmetrical profile (cross section) and identical sealing functions in both directions. Typically, double-acting piston seals consist of a slide ring and an energizer. The deformation of the elastomeric energizer when installed provides adequate force to keep the slide ring in dynamic sealing contact with the cylinder bore, while sealing statically against the seal housing groove.
A double-acting cylinder typically has the same fluid on both sides of the piston. Therefore, a relatively thick lubrication film can be permitted between the piston seal and the cylinder bore to minimize friction and wear. The transportation of fluid occurring during dynamic operation is, however, small and insignificant in most applications.
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John Deere® / New Holland Unitized Pistons
John Deere® / New Holland Unitized Pistons
Profile Material Temp Pressure Speed Prod No
99 PTFE -40° - +275° F 0 - 5,000
PSI
3 FT/ JDPA
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Pneumatic DA Piston Seal
Pneumatic DA Piston Seal
Profile Material Temp Pressure Speed Prod No
101 70A NBR -20° F, +220° F 0 - 175
PSI
3 FT/ PSM/P2
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Pneumatic DA Piston Seal
Pneumatic DA Piston Seal
Profile Material Temp Pressure Speed Prod No
102 70A NBR -20° - +220° F 0 - 175
PSI
3 FT/ PSM/ PSD
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Hunger® Hydraulic Piston Seal
Hunger® Hydraulic Piston Seal
Profile Material Temp Pressure Speed Prod No
125 Urethane
BRZ-PTFE
-31° - +212° F 0 - 6,500
PSI
3 FT/ SM/ HHPS
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Hunger® Hydraulic Piston Seal
Hunger® Hydraulic Piston Seal
Profile Material Temp Pressure Speed Prod No
115 BRZ-PTFE
Urethane
-31° - +212° F 0 - 3,600
PSI
3 FT/ SM/ HHPS
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Pneumatic DA Piston Seal
Pneumatic DA Piston Seal
Profile Material Temp Pressure Speed Prod No
84 75A Nitrile -22° - +220° F 0 - 230
PSI
3 FT/ DAP
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Hydraulic DA Piston Seal
Hydraulic DA Piston Seal
Profile Material Temp Pressure Speed Prod No
91 90A Nitrile -22° - +220° F 0 - 175
TO
0 - 870
PSI
3 FT/ DAPS
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Hydraulic DA Piston Seal
Hydraulic DA Piston Seal
Profile Material Temp Pressure Speed Prod No
102 70A NBR -22° - +220° F 0 - 175
PSI
3 FT/ _
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Two Piece Piston Seals
Two Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
101 PTFE Piston
Seal
Rubber
Energizer
-40° - +230° F 0 - 5,000
PSI
12 FT/ PSM/ TFE
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Two Piece Piston Seals
Two Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
105 Glass /
PTFE Filled
Polyester
Piston Seal
Rubber
Expander
-40 - +230° F 0 - 5,000
PSI
3 FT/ PSM/PU 755
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Two Piece Piston Seals
Two Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
122 97A Urethane
Seal
70A Nitrile
Expander
-22° - +210° F 0 - 5,800
PSI
1.5 FT/ PSM/PU HP
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Step Cut Piston Seals
Step Cut Piston Seals
Profile Material Temp Pressure Speed Prod No
122 Nylon Seal
with Nitrile
Energizer
-22° F - +230° F 0 - 7250
PSI
3 FT/ PSM/2G N
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PISTON SEAL ASSEMBLIES
PISTON SEAL ASSEMBLIES
Profile Material Temp Pressure Speed Prod No
122 40% Bronze
fi lled PTFE,
NBR Energizer,
NBR
Quad Ring
-40° F - +220° F 0 - 5000
PSI
6 FT/ PSM/AQ
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Piston Seal Anti- Extrusion Rings
Piston Seal Anti- Extrusion Rings
Profile Material Temp Pressure Speed Prod No
103 Nylon
Back-Up
Ring
-65° - +220° F 0 - 5,000 - PS/AER
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Four Piece Piston Seals
Four Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
103 PTFE Cap
Nylon
Back-Up
Rubber
Expander
-40° - +220° F 0 - 6,000
psi
4.5 FT/ DAM/ SPGT
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Caterpillar® Specifi c Piston Seals
Caterpillar® Specifi c Piston Seals
Profile Material Temp Pressure Speed Prod No
103 _ _ _ _ PSM/ CAT8
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Five Piece Piston Seals
Five Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
103 Nitrile
Piston Seal
Polyacetal
Anti-
Extrusion Ring
-22° - +212° F 0 - 6,000
PSI
1.5 FT/ DAM/ DAS
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Three Piece Piston Seals
Three Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
103 Fabric
Reinforced
Piston Seal
Polyacetal
Anti-
Extrusion Ring
-22° - +212° F 0 - 5,000
PSI
1.5 FT/ DAM/ WDA
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Three Piece Piston Seals
Three Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
103 Fabric
Reinforced
Piston Seal
Polyacetal
Anti-
Extrusion Ring
-22° - +212° F 0 - 5,000
PSI
1.5 FT/ DAM/ DAL
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Three Piece Piston Seals
Three Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
103 Fabric
Reinforced
Piston Seal
Polyacetal
Anti-
Extrusion Ring
-22° - +212° F` 0 - 5,000
PSI
1.5 FT/ DAM/ DAL
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Three Piece Piston Seals
Three Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
103 Nitrile Piston
Seal
Acetal
Bearings
-22° - +212° F 0 - 3,000
PSI
1.5 FT/ DAM/DS DELTA
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Five Piece Piston Seals
Five Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
131 Nitrile Plastic
POM
-22° - +230° F 0 - 8,700
PSI
1.5 FT/ DAM/ DAS/HD
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Five Piece Piston Seals
Five Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
92 Rubber /
Fabric
Piston Seal
PTFE Back-Up
Rings
Nylon Bearings
-22° - +190° F 0 - 5,000
PSI
1.5 FT/ DAM/ RF/ PTFE
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Hunger® Five Piece Piston Seals
Hunger® Five Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
108 Urethane
Plastic POM
-22° - +248° F 0 - 8,700
PSI
3 FT/ DAM/ HFPPS
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Hunger® Multi-Piece Piston Seals
Hunger® Multi-Piece Piston Seals
Profile Material Temp Pressure Speed Prod No
90 BRZ-PTFE
Urethane
Filled POM
-22° - +248° F - 3 FT/ DAM/ HMPPS
Application For These Machines
  • Excavator
    Excavator
  • Backhoe-Loader
    Backhoe-Loader
  • Loader
    Loader
  • Dozzer
    Dozzer
  • Bull Dozzer
    Bull Dozzer
  • Crane
    Crane
  • Forklift
    Forklift
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