Working principle of forged steel gate valve: Forged steel valves are suitable for medium and high temperature, medium and high pressure valves with nominal pressure of 1.6, 2.5, 4.0, 6.4, 10.0, 16.0MPa and nominal diameter of 10~50mm. The applicable medium is water, nitrogen and hydrogen mixed urea and methylamine liquid, etc. The stem and stem nut are driven by...