Globe valves and gate valve are a couple of the most common valves in industrial plants. Both are meant to keep systems running as efficiently and safely as you can. However, contrary to everyday opinion, these valves aren’t exactly the same.
Material selection plays a vital role in specifying valves to be sure the compatibility from the wetted parts on the valve with all the fluid or powder passing through it. Sizing depends upon the pipe or tubing diameter, flow rate, along with the width between flanges for pipeline valves being installed as replacements.
These valves have similar bodies, nevertheless they feature their unique unique designs and possess their own applications. To help you see the differences between globe valve vs gate valve, look at the guide below.
Globe valves are widely used to regulate or throttle the flow of water in plumbing applications. This type of valve gets its name from your bulge from the body from the valve, a shape not obtained in other valve types. The handle with a globe valve can be quite a twist knob.
Globe valves usually are installed if your flow of water has to be regulated or when it has to be adjusted regularly. The internal design features possess a stopper for the end of an valve stem, that is raised and lowered because of the valve's twist knob. When the stem forces the stopper down resistant to the interior valve seat, waterflow and drainage is halted entirely. The stem could be raised incrementally away in the valve seat to precisely control the amount of water flowing with the valve.
For a rising stem valve, the stem go up while opening the valve and move down if you close the valve. You can see inside the image. In inside screw design, the threaded portion in the stem is contact with all the flow medium, and if you open the valve, handwheel rise together with the stem.
Whereas from the case of outside screw design, the one smooth portion is come across the flow medium as well as the stem will go above the handwheel. This type of valve can be known as OS & Y valve. OS & Y means outside steam and York.