

Piston Head Sealing X-Rings (XRTP) with a quadrilobed cross-section, during dynamic stresses they are not subject to rounding in the seat
X-Rings have less wear than O-Rings because they require less radial pre-compression, which results in lower contact pressure
A lubricant reservoir can be generated between the sealing lips
There is an optimisation of the sealing effect through better pressure distribution due to the square cross-section
X-rings eliminate any negative effects due to the mould closure line, as this is located in the groove between the two lips
Piston Head Sealing X-Rings (XRTP) with a quadrilobed cross-section, during dynamic stresses they are not subject to rounding in the seat
X-Rings have less wear than O-Rings because they require less radial pre-compression, which results in lower contact pressure
A lubricant reservoir can be generated between the sealing lips
There is an optimisation of the sealing effect through better pressure distribution due to the square cross-section
X-rings eliminate any negative effects due to the mould closure line, as this is located in the groove between the two lips
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