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door closer pneumatic vs hydraulic
BW-1900 Doorcloser
The BW-1900 Door Closer is a versatile and reliable solution for your door closing needs. With an adjustable power size of EN 2-5, it can handle door weights ranging from 20kg to 100kg and door widths from 600mm to 1250mm. It also comes with optional functions such as back check, delay, or hold open, and can operate in temperatures ranging from -40℃ to 60℃.
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