The Standard Duty Restrictor Stays give an opportunity to permanently restrict opening vents, particularly useful in applications where resident safety is required or where windows open out onto corridors or gangways. In normal operation the restrictor stay allows the vent to open until the slider engages against the opening stop in the track. Tested to BS6375: 2 to withstand a force of 350N for one minute. Device provides additional friction for windows. Available in ferritic 430* stainless steel. 10 year guarantee (details available upon request)
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