英国Cotswold 重型铰链风撑HD16 EEC

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Full opening to 90° providing clear egress in excess of 500mm on a 600 wide vent(Depending on Profile)Easy to fit with adjustable friction mechanism.Smooth and balanced operation for life – windows open and close with ease.Effective weather sealing and draught proofing fully concealed once fitted.Corrosion resistance meets the requirements of BS 7412: 1991.Manufactured from high-grade Austenitic stainless steel for maximum longevity. Even in the most corrosive environments.Composite steel /plastic slider for strength, durability and smooth operation.The Heavy Duty range has been proven to a lifetime 50,000 cycles.The Heavy Duty friction stays conform to all leading international window performance standards in the UK (BS6375 Part 2), North America (AAMA 904.1), France (NFP-20-302) and Singapore (SS 212).'