Importing & Local Manufacturing of Hydraulic Seals


Profile Ref.
code		 Material Velocity
(m/s)		 Temp.
(°C)		 Working
pressure
(bar)		 Application Description Metric Imperial
C4 PTFE / NBR VITON 15.0 -50 +200 N/A Reciprocating / oscillating Scraper

*

*
C5 NBR 2 -30 +100 10 Pneumatic Combined rod-wiperseal *  
D1 Fabric / NBR impregnated 0.5 -30 +110 200 Light duty hydraulics Duroseal Type-P double acting piston seal * *
D2 Fabric / NBR impregnated 0.5 -30 +110 400 Medium to heavy duty hydraulics Duroseal Type-W double acting piston seal * *
D3 Fabric / NBR impregnated 0.5 -30 +100 500max.
according 
to temp.		 Hydraulics Double acting piston seal *  
D4 NBR / Acetal 0.5 -30 +100 500max.
according 
to temp.		 Hydraulics One-piece piston seal * *
D4 PTFE / NBR VITON 15.0 -50 +200 800 Low friction hydraulics and pneumatic Composite piston seal * *
D5 PTFE / NBR VITON 3 -50 +200 400 Gas / fluid AQ composite piston seal *  
D6 Lubrithane 1 -30 +80 250 Light hydraulics Crown piston seal * *
E1 PTFE / Filled 5 -100 +200 N/A Hydraulic and pneumatic Piston guide tape * *
E2 Acetal 0.5  100 N/A Piston / rod guide Wear ring * *
F1 NBR / Metal 39 -15 +230 0.5 Electric motors.
Roll neck bearing.
Conveyor rollers.
Household appliances.		 Rotary seal * *
13 -40 +120 0.5    
F2 Fabric / NBR impregnated 20 120 1 Roll neck bearings.
Prop. shafts.
Heavy constr. machinery gearboxes.		 Rotary seal * *
F3 NBR 8 -30 +230 N/A Rotary flinger ring Type - VA * *
F4 NBR 8 -30 +230 N/A Rotary flinger ring Type - VS * *
G1 NBR / Metal N/A -30 +250 1000 High pressure static seal Bonded seal * *

ANY PROFILE NOT SHOWN ABOVE AVAILABLE ON REQUEST

Temperature ranges of standard O - ring compounds

Key Temperature range
Code Polymer °F °C
A Polyacrylate     0  to  + 250 / 300

- 17 to 

 + 177
B Butyl - 75  to  + 250 / 300 - 59 to  + 120 / 150
C Neoprene (Chloroprene) - 45  to  + 300 - 43 to  + 149
E Ethylene Propylene - 70  to  + 250 / 400 - 57 to  + 100 / 205
L Fluorosilicone - 100 to  + 350 / 400 - 73 to  + 177 / 205
N Nitrile - 65  to  + 250 - 34 to  + 121
S Silicone - 65  to  + 450 - 54 to  + 232
V Fluorocarbon - 15  to  + 400 / 500 - 26 to  + 205 / 260

Comparison of properties of commonly used elastomers

Compound number prefix N C E B V A S L
  Nitrile 
or Buna		 Neoprene Ethylene 
propylene		 Butyl Fluoro-
carbon		 Poly-
acrylate		 Silicone Fluoro-
silicone
Ozone resistance P GE E GE E E E E
Weather resistance F E E GE E E E E
Heat resistance G G E GE E E E E
Chemical resistance FG FG E E E P GE E
Oil resistance E F P P E E PG G
Impermeability G G G E G E P P
Cold resistance G FG GE G FP P E GE
Tear resistance FG FG GE G F FG P P
Abrasion resistance G G GE FG G G P P
Set resistance GE F GE FG GE F GE GE
Dynamic resistance GE F GE F GE F P P
Acid resistance F FG G G E P FG FG
Tensile strength GE G GE G GE F P F
Electrical properties F F G G F F E E
Water / steam resistance FG F E G FG P F F
Flame resistance P G P P E P F G
 
P - Poor F - Fair G - Good E - Excellent


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