Structure features:

D341H - 1.5 (1.0, 1.0) hand wheel straight dust gas butterfly valves with handwheels through the transmission device is complete opening and closing of the valve. Compared with the handle type dust gas butterfly valve is a kind of more energy. This valve on the transmission case with directional signs, to observe the work of butterfly plate for site location. This valve installed in horizontal pipe refer to installation direction shown in the figure.