Article Needle Valves (75efdb6)

Design temperature is recorded on the pressure vessel's data report and nameplate (Section VIII, UG-119). The virtue of the needle valve is from the needle valve vernier effect of the ratio between the needle's length and its diameter, or the difference in diameter between needle and seat. OEM manufacturer, print client's LOGO on the valve body.Bypass valves work very well for single systems where all the flow of the pump is to be fed into one system. Most homes have valves like this on the incoming cold water "feed" and the pipes leading into and out from the water

...