... -10Mpa DN:20-500mm Best price and quality. Pneumatic Diaphragm Steam Control Valve(150Lb, 300Lb, 600lb,900Lb,etc) Features:Top-guided Single ... Kv2. Fluid Properties ( Pressure, Temperature, Viscostiy or Acidity and Alaline )3. Valve Action (Air-to-close or Air-to-open )4. Flow ... . Body, Plug Material7. Input Signal8. With Accessories, Model instruction or not, so that we can help you to choose the right ...