Products
Contact us
Phone: +86-534-5012407
Mobile phone: +86-188-6602-0062
Email: sddljnhb@163.com
Website: http://www.sddljnhb.com
Address: No. 5166, Tianqu East Road, Economic Development Zone, Dezhou City, Shandong Province
Our company manufactures differential pressure relief valves—also known as pressure‑relief valves or automatic differential pressure regulators—which are specialized devices installed in building smoke control and exhaust systems at locations such as stairwell anterooms, shared anterooms, and fire‑elevator lobbies. When the pressurization system is operating and the pressure within the anteroom exceeds the set threshold, the valve automatically opens to vent excess pressure, maintaining the indoor pressure within a safe range. This prevents excessively high pressures from impeding the proper opening of fire doors and ensures the safe evacuation of occupants.
Mobile phone:+86-188-6602-0062
Email:sddljnhb@163.com
Website:http://www.sddljnhb.com
Address: No. 5166, Tianqu East Road, Economic Development Zone, Dezhou City, Shandong Province
Mobile Access