Inner Mongolia supply biaxial side throttle 74DD Rectangular damper side throttle to install using the knot 

 ST 03,175,129,597, Mobile: 13393272821 Cangzhou St. Tang Pipe Manufacturing Co., Ltd. specializing in the production of smoke pulverized coal pipe damper, round throttle side throttle, uniaxial side throttle, the biaxial side throttle the triaxial side throttle four-axis side throttle, five -axis damper and pipe fittings, Fax 0317-6266527 power plant accessories the 74DD smoke pulverized coal piping components, 02S403, 02S404, National Building Standard Design of steel pipe, the GD87 thermal power plant steam piping components, GD2000 pipeline miscellaneous accessories, including creep swelling measuring point, the carbon steel creeping inflation points, stainless steel creeping inflation points, alloy steel creeping inflation points, flow measurement devices, tubular hydrophobic collector, the hydrophobic plate, hydrophobic collector, sparse water tank, water flow indicator, manhole orifice plates, to the displacement indicator, import filter feed pump, metal bellows compensator, square damper, explosion-proof doors, drainage funnel, throttling device, flow measurement devices high school low-pressure pipe bend round damper is used to round shaped pipe can be used to cut off media flow, you can also use it to adjust the rate of flow. 
 MT / FW series round damper with lap seal, leaves 1 to 5. 

 74DD series of round damper with a wear-resistant steel according to the former Ministry of 74DD standard manufacturing sealing structure of a single blade bevel. Round damper with wear-resistant steel used in flue gas, coal pulverizing system, which can effectively extend the life of the product. Round damper specifications see "MT / FW Series round damper specifications, dimensions table" and "74DD series round damper specifications, dimensions table", but also can provide products according to the size of the user requirements specifications. Main technical parameters Working pressure: ≤ 30MPa; working temperature: ≤ 420 ° C; features: turn-off, adjust; distribution media: air, flue gas, containing powder EXHAUST GAS; drain: ≤ 1% of the material: