Each connection combination damper should be tightened, and reliable, the appearance of the coating should be beautiful, clean, free from shell and obvious defects. Typhoon entire valve installed, Wuhan damper wholesale, should join a firm, open and close flexible. Each rotary member should rotate smoothly, without jamming and collision. The combination valve should have anti-fatigue properties, must have sufficient strength and stiffness, Wuhan valve that can withstand mechanical pressure piston air wind and cyclical operating conditions, ensuring damper piston pressure at cyclical impact, Wuhan valve, all parts not loosen and deformation. A combination of all components damper temperature requirements for the next 250 ℃ or 150 ℃ conditions of continuous work effectively 1h. Combination valve length and width tolerances in accordance with GB / T 1804-2000 m level specified. Typhoon valve after the entire installation is complete, the difference between two diagonal length of each side should not exceed 3.0mm, flatness tolerance ends flange plane should not exceed 3.5mm. Maximum drive torque (Nm) should not exceed JB / T 7228-1994 with the relevant requirements of 5.9. Wuhan damper | Wuhan Han Wei Li Yuen (Online) | Wuhan Wuhan Han Wei valve provided by the well-being of Equipment Co., Ltd. Liyuan. Wuhan Han Wei Li Yuen-being of Equipment Co., Ltd. (www.whhwly.com) is a leader in Wuhan, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. In Wuhan Han Wei Li Yuen leadership with the staff warmly welcome all inquiries negotiations to create Wuhan Han Wei Li Yuen better future.