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COMPACT SEAL
D A S TYPE A/B
Double-Acting -
- Combined Seal and Wear Ring -
- Material -
- NBR, Polyester Elastomer + POM -
DAS Type A
This type is characterized by the straight, long-sided Lprofiles
of the guide rings. Compared with Type B, it
exhibits a smaller groove depth with the same cylinder
Diameter.
DAS Type B
This type is characterized by a Z-shaped back-up ring which
forms a chamber with the elastomer seal ring on the inside
and is centered on the outside by the guide ring.
For many piston diameters, the width of the guide ring
(dimension L2) can be selected due to sideloads.
Due to the larger groove depth, the profile of the seal ring
is more rigid than that of Type A and requires higher
installation forces.
Advantages
- Good sealing effect, also suitable for holding cylinders
- Capable of installation in closed grooves for reduced
machining costs
- Economic sealing and guiding solution
- Simple snap installation
Materials
- The D-A-S Compact Seal is available in the following
material combinations:
Profile seal: NBR 70 Shore A
Back-up ring: Polyester elastomer
Guide rings: POM
Set ref.: NCRO
- The DBM Compact Seal is available in the following
material combinations:
Profile seal: NBR 80 Shore A
Back-up ring: Polyester elastomer
Guide rings: POM
Set reference: N8RO
The content comes from www.walleseals.com . For more details, please refer to
our website.

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China COMPACT SEAL D A S TYPE A/B

  • 1. COMPACT SEAL D A S TYPE A/B Double-Acting - - Combined Seal and Wear Ring - - Material - - NBR, Polyester Elastomer + POM - DAS Type A This type is characterized by the straight, long-sided Lprofiles of the guide rings. Compared with Type B, it exhibits a smaller groove depth with the same cylinder Diameter. DAS Type B This type is characterized by a Z-shaped back-up ring which forms a chamber with the elastomer seal ring on the inside and is centered on the outside by the guide ring. For many piston diameters, the width of the guide ring (dimension L2) can be selected due to sideloads. Due to the larger groove depth, the profile of the seal ring is more rigid than that of Type A and requires higher installation forces. Advantages - Good sealing effect, also suitable for holding cylinders - Capable of installation in closed grooves for reduced machining costs - Economic sealing and guiding solution - Simple snap installation Materials - The D-A-S Compact Seal is available in the following material combinations: Profile seal: NBR 70 Shore A Back-up ring: Polyester elastomer Guide rings: POM Set ref.: NCRO - The DBM Compact Seal is available in the following material combinations: Profile seal: NBR 80 Shore A Back-up ring: Polyester elastomer Guide rings: POM Set reference: N8RO The content comes from www.walleseals.com . For more details, please refer to our website.