About this item

• Application: the check valve used to control the unidirectional flow of liquids or gases, preventing backflow or contamination in experimental apparatus
  
• Key Components: the check valve features dual 8 mm O.D. hose connections and glass ball
  
• Features: made of borosilicate glass, resistant to acid and alkali corrosion, and transparent for easy observation of internal flow
  
• Precautions: stable operating temperature up to 450°C; instantaneous temperature changes must not exceed 140°; ensure the hose connection is secure before use to prevent leakage
  
• Warranty: 1-year limited manufacturer warranty for peace of mind