569 pn40 gate valve products are offered for sale by suppliers on Alibaba.com, of which gate valves accounts for 76%, check valves accounts for 3%, and valves(old) accounts for 2%.
A wide variety of pn40 gate valve options are available to you, such as pressure, manual and pneumatic.You can also choose from normal temperature, medium temperature and high temperature pn40 gate valve,as well as from water, gas, and oil pn40 gate valve, and whether pn40 gate valve is steel, stainless steel, or iron.