combination seal

Combination seal consists of one dentate rubber ring.

combination seal

Performance and Application

 Combination seal consists of one dentate rubber ring, two retainer rings and two back up rings. Elastic rubber ring provides enough sealing force, retainer rings and wearing rings which are installed on both sides play a role of guiding and supporting, besides, it can also prevent the rubber ring from twisting so as to ensure the sealing effect farthest.

Reciprocating Speed:≤1.5m/s

Working Temperature:-30°C~+200°C (Depending on the material of elastomer)

Labeling Example

 FXDAS piston combination seal

 Cylinder inside diameter 100mm

 Mark: FXDAS-100

Desogm Referemce Stamdard

The desogm can refer to PCBOA series of BuSak+Shamban company.

Advantages

 Enclosed grooves and integral pistons

 The length of piston is shorter

 Sealing ring and wearing ring shares a groove

 The ability of squeeze resistance for gap is strong

 Flexible ring will not twist and turn

 Good leak resistance

 Retainer ring which has a bevel connection and wearing ring are installed easily

 Meaterials

 Wearing ring and retainer ring are made from PTFE

 Elastomer is made from NBR.

combination seal