Product Introduction

The window can be closed or opening very sensitively and conveniently while detecting the change of pressure to maintain the indoor and outdoor pressure difference (the automatic opening pressure can be freely adjusted) and make the external strong light soft. The plate is selected from the domestic famous brands, which has a good light transmission and is not easy to deform. The rotating shaft is made of solid stainless steel round bar.which is stable and reliable for opening and closing. The pull-type opening parts can be added to control the opening and closing by the winch. The surface of the black counterweight is treated for 6 times to prevent corrosion and make it more graceful. There are various sizes to be customized as it might be needed by the customer.

Technical Parameter