
UPVC Plastic Female Threaded Union with DIN Standard Gray Color Fitting. Acid and Alkali Resistance: High resistance to acid, alkali, and electrochemical corrosion for chemical stability. Long Service Life: Normal service life can reach about 50 years with high aging resistance. High Flame Retardant: Flame extinguishes immediately after leaving the fire source. Light Weight Design: Specific gravity is only one sixth of cast iron pipe, saving labor and transport costs. Smooth Inner Wall: Small flow-resistance and anti-fouling properties for efficient fluid transport. High Tensile Strength: Tensile strength reaches 45 Mpa with working pressure up to 1.6 Mpa. Easy Installation: Uses glue bonding, no thread processing needed for convenient and fast work. OEM and ODM Acceptance: Customization services available to meet specific customer requirements.