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A wiper seal is an axial seal that creates a seal while allowing a reciprocating shaft to pass through the seal's inner bore. Wiper seals are often used for fluid containment and to prevent dirt from entering a reciprocating shaft mechanism.
Design Ref. Material Temp Speed Dia.
°C m/s mm. inch.
A204 NBR -35 +100 2
A204 PU -35 +100 2  
A205 NBR -30 +110 1  
H831 PU -30 +80 1  
H-38 PU -40 +120 4  
DHS PU -25 +80 1  
A208, H-389 PU -35+100 1  
A201, GPY PU -30 +100 2  
SDR NBR -25 +100 1  
SDR-F FPM -5 +150 0.5  
SCK NBR -45 +100 1  
TA25 PTFE + Bronze
+ O-Ring
-40 +200 15
TA27, A305 PTFE + Bronze
+ O-Ring
-40 +200 15
H-33 NBR -30 +100 4
FA NBR + Metal -30 +120 1  
DKBI PU + Metal -40 +80 0.5  
DKI PU + Metal -40 +80 0.5  
SCB NBR + Metal -40 +100 1  
DKB NBR + Metal -20 +100 1  
H862 PU + Metal -35 +95 0.5  
PW CORD NBR -30 +110 1