McCoy Rock Light Duty FS - 8”

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Heavy Duty 6 Bar Friction Hinges made from Austenitic SS304 Steel.
SS304 (EN 1.4301) is composed of 17.5-20% Chromium, 8-11% Nickel, < 0.08% Carbon, 2% Manganese, 1% Silicon, 0.045% Phosphorous and 0.03% Sulphur and has Hardness of up to 360 BHN, high Fatigue Strength of up to 440 MPa, Young's Modulus of 200 GPa, Ultimate Tensile Strength up to 1180 MPa, Shear Strength up to 690 Mpa.
Stack Height of 16 mm ± .5 mm suitable for Aluminium as well as PVC-U applications.
Base Channel Width of 18 mm.
Bar Thickness 2 mm.
Specially designed for Top Hung Vents.
Self Balancing with excellent weather sealing capabilities.
Pressure adjustment screw for catering to different sash weights.
A symmetrical Arrow Head End Point and End Cap ensure tighter closure and better resistance to Wind Pressure.
Capable of withstanding positive as well as negative wind pressure loads of up to 3 kPa in closed condition.
Suitable options available for Vent sizes upto 1200 mm x 850 mm.
Grade V Corrosion Resistance - Successfully tested for 500 Hours in Neutral Salt Spray solution for Corrosion resistance. (Certificate available on request)

Feature	Advantage	Benefit
A symmetrical Arrow Head End Point and End Cap	A symmetrical End Point of the Sash mounting leaf enters the Asymmetrical End Cap on the Frame mounted leaf a little before hand, thereby ensuring perfect closure of the sash.	The tight closure of sash entails better resistance to Wind Load.
Composite Stainless Steel and Plastic Slider	Smoother and Stick – Slip free movement of Vent, low wear and tear due to no Metal to Metal contact and Self Cleaning of debris.	Longer Service Life & low maintenance.
Young's Modulus of 200 GPa, Ultimate Tensile Strength up to 1180 MPa, Shear Strength up to 690 MPa.	Very good Mechanical Properties leading to ease of Load Carrying capacity.	Longer Service Life
Hardness of up to 360 BHN	Low Wear and Tear due to low abrasion.	Longer Service Life
Fatigue Strength of up to 440 Mpa	Can withstand repeated loading and unloading cycles, so more Cycles of Operation can be achieved.	Longer Service Life
PREN = 20	Very Good resistance to Corrosion.	Can be used in corrosive environment like proximity to Sea Shore or Chemical factories.
Friction Adjustment	Regulates the amount of Force required to open and close the window.	Comfortable and easy to operate for the user.
Self Balancing capabilities	Precludes the automatic closure of sash due to its own weight.	Safer as there is no chance of the sash closing down accidentally.

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