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For example both needle valves and globe valves empower operators to change flow rate using a threaded rotating stem.
Needle type flow control valve. A needle valve features a small port and threaded needle shaped plunger and can allow precise flow regulation at lower flow rates. Choose the inlet and outlet port types in sizes that can fit your application. 98 of products ordered ship from stock and deliver same or next day. Parker s needle valves or needle check valves are ideal for cylinder or motor control and or bleed off applications within a broad range of markets such as the agriculture construction material handling industrial oil gas and several more.
Parker s needle valves are non compensated adjustable orifices capable of flows up to 225 lpm 60 gpm and pressures as high as 420 bar 6000 psi. Mcmaster carr is the complete source for your plant with over 595 000 products. Parker offers standard needle valves and needle valves with a reverse free flow check. The flow is constant for any given stem position.
Needle valves are similar to globe valves in that they share a few design features and have similar benefits.
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