Quad-Ring® - QRAR04006-N7004
Quad-Rings® have an X-shaped cross section and are often used instead of a standard O-Ring. They can provide higher sealing efficiency and lower friction.
Seal dimensions:
Inside diameter, d12.9 mm
Inside diameter tolerance ±0.13 mm
Cord diameter, W1.78 mm
Cord diameter tolerance ±0.08 mm
Material Properties:
Maximum Operating Temperature100 °C
Minimum Operating Temperature-30 °C
Hardness Nominal70
Hardness Tolerance+/- 5
Hardness UnitShore A
ColorBlack
Material TypeNBR
Tensile Strength14 MPa
Elongation at break200 %
Institute Approvals:
FDA 1yes
Installation Dimensions:
Groove depth dynamic, t1 (+0.05)1.5 mm
Groove depth static, t/h (+0.05)1.4 mm
Groove width, b1, b4 (+0.2)2 mm
Groove width, b2 (+0.2)b1 + back-up ring thickness
Groove width, b3 (+0.2)b1 + back-up rings thickness
Radial gap, Smax.0.05 mm
Radius, r10.22 mm
