
UPVC Plastic Female Threaded Adaptor 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 time and labor. Smooth Inner Wall: Small flow-resistance and anti-fouling properties for efficient transport. OEM and ODM Acceptable: Customization services available to meet specific customer needs. ISO 9001 Certified: Quality management system certified for reliable product safety. Wide Size Range: Available sizes from DN15 to DN400 with various pressure ratings.