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Inside Diameter

Outside Diameter

Height (H)

661

The 661-style polyurethane cushion seal for pneumatic applications is designed to cushion the stroke of the piston in pneumatic cylinders by acting as a non-return valve.

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Technical Diagram

Available Materials

Material

Acronym

Temperature

Surface Speed

Pressure

AUAU (10 found(s))-50ºF to +180ºF (-45ºC to +80ºC)<3.0 ft/s (1.0 m/s)≤230 PSI (≤16 Bar)

Ref. No.	∅d	∅D	H	Price
RHAL-661/4558600 ∅d 50 ∅D 60 H 6	50.000	60.000	6.000	Call for price
RHAL-661/4574400 ∅d 28 ∅D 38 H 6	28.000	38.000	6.000	Call for price
RHAL-661/4574500 ∅d 38 ∅D 48 H 6	38.000	48.000	6.000	Call for price
RHAL-661/4574600 ∅d 60 ∅D 74 H 8.4	60.000	74.000	8.400	Call for price
RHAL-661/4574700 ∅d 80 ∅D 94 H 8.4	80.000	94.000	8.400	Call for price
RHAL-661/4574800 ∅d 10 ∅D 18 H 4.8	10.000	18.000	4.800	Call for price
RHAL-661/4574900 ∅d 22 ∅D 30 H 4.8	22.000	30.000	4.800	Call for price
RHAL-661/4576000 ∅d 70 ∅D 84 H 8.4	70.000	84.000	8.400	Call for price
RHAL-661/4582700 ∅d 100 ∅D 114 H 8.4	100.000	114.000	8.400	Call for price
RHAL-661/4591400 ∅d 32.6 ∅D 42 H 6	32.600	42.000	6.000	Call for price

AU - AU (10 found(s))

Ref. No.	∅d	∅D	H	Price
RHAL-661/4558600 ∅d 50 ∅D 60 H 6	50.000	60.000	6.000	Call for price
RHAL-661/4574400 ∅d 28 ∅D 38 H 6	28.000	38.000	6.000	Call for price
RHAL-661/4574500 ∅d 38 ∅D 48 H 6	38.000	48.000	6.000	Call for price
RHAL-661/4574600 ∅d 60 ∅D 74 H 8.4	60.000	74.000	8.400	Call for price
RHAL-661/4574700 ∅d 80 ∅D 94 H 8.4	80.000	94.000	8.400	Call for price
RHAL-661/4574800 ∅d 10 ∅D 18 H 4.8	10.000	18.000	4.800	Call for price
RHAL-661/4574900 ∅d 22 ∅D 30 H 4.8	22.000	30.000	4.800	Call for price
RHAL-661/4576000 ∅d 70 ∅D 84 H 8.4	70.000	84.000	8.400	Call for price
RHAL-661/4582700 ∅d 100 ∅D 114 H 8.4	100.000	114.000	8.400	Call for price
RHAL-661/4591400 ∅d 32.6 ∅D 42 H 6	32.600	42.000	6.000	Call for price