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
