997 manual pneumatic knife gate valve products are offered for sale by suppliers on Alibaba.com, of which gate valves accounts for 92%, valves(old) accounts for 2%, and butterfly valves accounts for 2%.
A wide variety of manual pneumatic knife gate valve options are available to you, such as pressure, manual and hydraulic.You can also choose from normal temperature, medium temperature and high temperature manual pneumatic knife gate valve,as well as from water, gas, and oil manual pneumatic knife gate valve, and whether manual pneumatic knife gate valve is steel, stainless steel, or iron.