Nominal Diameter: NPS3”~NPS 16”
Pressure Rating: Class150~Class1500
Product Feature: ①National Energy Bureau And China National Petroleum Corporation “Oil And Gas Pipe Key Equipment Localizing Manufacturing Project” products; ②Automatic pressure relief, automatic close function; ③Pressure signal automatic measure and alarm function; ④Temperature stable function.
Nominal Diameter: 3”~16”
Pressure Rating: Class 150~Class 1500
Product Feature: ①Two national innovative patent, two national utility model patent; ②No external energy, automatic quick pressure relief and slow closing; ③Originated design valve position displacement signal displacement and transmission function; ④Adjustable pilot valve open and close speed, suit for different application.