735Series Needle Valves are of the rising stem type and are designed to shut off the flow of the process media to the pressure instrument, thereby allowing the instrument to be isolated from the pressure media or removed from service. Needle valves may also be used to throttle flow and aid in dampening pulsations. Trerice Needle Valves are constructed from brass, carbon steel and stainless steel for use on a variety of pressure media. It is recommended to place a needle valve, ball valve or gauge cock in line before every pressure gauge installation.
Most Helpful Customer Reviews
It's not a bad valve, but it's not made from steel. It is brass construction (as stated in the description), and has a much lower pressure rating than 2000PSI being made from brass (I don't know what the actual rating is but It's definitely not over 600PSI). The picture and pressure being totally inaccurate is the most major part of the reason for the lower rating. The price isn't bad and the quality is decent. The other thing that isn't too great is that the valve is a little tough. Fine adjustments in flow are hard to make because of this, although it may just be me. Overall not bad
Any time I've bought needle valves here, half of the ones I get don't work. I ordered two. One worked like a champ, the other won't work at all. It's not like it leaks- the knob wont even turn. I tried to remove the nut on the broken one to repair it and its fused in place. I ended up pulling off the knob (which is glued on) and couldn't remove the nut regardless of what I tried. I tried just pliers, then two sets of pliers, then an adhesive solvent in case it had thread lock, then even putting the body in a vise and using a large pair of channel locks couldn't get it to budge. I even heated it. No dice. I might take an angle grinder to it just out of curiosity to see what's up in there since they apparently tightened it with the hammer of Thor. . .
Spent 5 hours putting a manifold together with 6 valves, need to close them with a pliers to stop the flow. Not real convenient for job site testing and doesn't look too professional!
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Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
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