Mining piston seal (GZ) consists of a polyurethane sealing ring, a NBR/FKM elastomer and two backup rings. Sealing ring has sealing function, elastomer provides elasticity and compensate for wear and tear, backup ring can prevent seals to be squeezed out of groove.
Sealing ring CPU (95A, red color)
Backup ring POM
Pressure [MPa] dynami≤ 70, static≤ 120
Temperature [° C] -20100
Sliding speed[m/s] 0.3
Medium Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water.
Common-using Code MT/T576, MT/T985
Longwall roof supports
Roof Bolting Machines
Other seals we manufacturer
|CPU (95A, red color)|
|Pressure [MPa]||dynamic≤70, static≤120|
|Temperature [° C]||-20^100|
|Medium||Mineral oil based hydraulic fluids, barely flammable|
hydraulic fluids, water.
|Common-using Code|| MT/T576, MT/T985|