In both the fittings there is a finely threaded stem which allows the gradual adjustment of the quantity of controlled flow which passes through the valve.
Water flow control needle valve.
They regulate the flow of a liquid or gas in metering applications.
Plumbing needle valves restrict or allow flow by using a slender needle shaped plunger that fits in a conical seat.
The 90 elbow shape allows you to install them in tight spaces.
Straight and angled needle valves for precision valve control if you are looking for more precise valves for controlling your water distribution application we have them.
The needle valve is bi directional while the flow control is one directional only.
These valves can operate with hydraulic system flows as high as 225 lpm and pressures up to 420 bar with the option of an integrate reverse free flow check valve.
Brass and stainless steel needle valves for flow control on a reverse osmosis system system control or recycle valve.
Also known as quick exhaust valves.
This controlled flow enters the input port and travels through the orifice which is actually sized by.
Parker s family of needle valves feature a highly contamination tolerant design that allows for fine metering with manual adjustment to create and orifice and control flow.