POLYURETHANE STEM COLLAR
Polyurethane stem collar
Also known as a polyurethane rod seal, they are used in hydraulic cylinders for fluid sealing. They are housed inside the cylinder head and seal against the cylinder rod, preventing fluid from flowing through the cylinder head. This allows pressure to build up on one side of the piston, causing the cylinder to extend or retract.
It is an annular seal made of polyurethane, a highly resistant and flexible elastomeric material.
Applications: pneumatic cylinders, hydraulic cylinders, food industry, construction.
Technical data sheet:
Asymmetric profile lip seal with closing edge on the dynamic side, single acting.
Made of polyurethane, 94 Shore
Speed 0.5 m/sec.
Temperature -35ºC / 100ºC
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