Forged steel high pressure plunger valve UJ41Y (H) is available in iron and steel. The nominal pressure of iron plunger valves is PN1. 6Mpa, no stem nut direct valve cover on the car out of the iron working temperature is ~40 °C ~ +80 °C. The nominal pressure of steel plunger valve is PN2.5 Mpa and 4.0 Mpa, the nominal diameter is DN15mm~DN50mm, and the working temperature range is -80°C! +400℃。 The applicable medium is water vapor, oil and other media.