RL08N0300-Z20

A single-acting rod seal, Trelleborg Zurcon® L-Cup® is an alternative to the U-Cup. It is a highly effective sealing system offering optimized sealing performance and extended service life. With exceptionally low friction properties, it has high wear resistance, back pumping ability along with high static and dynamic tightness.

Installation Dimensions:

Rod dia., d_N f830 mm

Groove dia., D H1038 mm

Groove width, L +0,256.3 mm

Radius, r max.0.3 mm

Ring width T5.7 mm

Material Properties:

Maximum Operating Temperature110 °C

Minimum Operating Temperature-35 °C

Hardness Nominal93

Hardness Tolerance+/- 3

Hardness UnitShore A

ColorTurquoise

Specific Gravity1.2 g/cm³

Gravity Tolerance+/-0.02 g/cm³

Material TypePUR

Modulus 100%13.2 MPa

Tensile Strength45 MPa

Elongation at break450 %

Compression Set24 %

Compression Set Test Conditions72h/70°C

TR 10 Point-37 °C

Product info:

Preferred TSS material combinationyes

Seal Capabilities:

Min. Temperature-35 °C

Max. Temperature110 °C

Speed max.0.5 m/s

Pressure max.40 MPa

Instruction (PDF) 1

Material Information for the product(s) on this page

Z20

Material data sheet

Colour:

Turquoise

Basic Material:

PUR

Hardness:

93 (Shore A)

Commercial Description:

Zurcon® Z20, 93ShA proprietary Thermoplastic Polyurethane material based on aromatic diisocyanate and polyester diol. Developed by Trelleborg Sealing Solutions for hydraulic application sealing elements, Zurcon® Z20 offers high wear and extrusion resistance, low compression set, a wide operating temperature range, minimal swelling in mineral oil and acceptable hydrolysis resistance.