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Name:
Hand wheel ramp dust gas butterfly valve
No.
D343W-1
Info:

Features: 

   D343W-1 type hand wheel dust and gas valve using the hand wheel and gear box drive to complete the valve opening and closing, as compared with the handle butterfly valve is relatively effortless. The valve cover is equipped with a pointer on the drive, the disc can be observed working position in the field. Please refer to the valve installed in a horizontal pipe installation when determining the direction shown in Fig. To prevent dust accumulation increased valve open resistance.