Trelleborg Zurcon® Dualseal is an excellent alternative to an O-Ring and Back-up Ring combination. The advantages are its resistance to twisting, stability at pulsating pressures and low risk of contamination. Dualseal is easy to install and has a long service life.
Installation Dimensions:
Bore Diameter, DN H855 mm
Groove Diameter, D1 h949.9 mm
Groove Width, L +0.25.3 mm
Radius, r ±0.20.3 mm
Material Properties:
Maximum Operating Temperature110 °C
Minimum Operating Temperature-35 °C
Hardness Nominal93
Hardness Tolerance+/- 3
Hardness UnitShore A
ColorTurquoise
Material TypePUR
Tensile Strength45 MPa
Elongation at break450 %
Seal Capabilities:
Min. Temperature-35 °C
Max. Temperature110 °C
Pressure max., static use50 MPa
Material Information for the product(s) on this page
Z20
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.