
Mechanical Seal for Water Pump 1528-20/25/28/30/35/40/45/50/55/60/65/70/75/80. Wide Size Range: Available in sizes 20 through 90 to fit various pump specifications. Corrosion Resistance: Designed to handle moderately concentrated acids, alkalis, and corrosive liquids. Diverse Material Options: Rotary and stationary rings made from tungsten carbide, silicon carbide, and carbon. OEM and ODM Support: Full customization available including from samples, designs, and flexible modifications. Fast Delivery: Small orders typically ship within 2-3 days after prepayment. Free Samples: Free product samples available; customer only pays international freight cost. ISO Certified Quality: Manufactured under ISO9001:2015 standards with rigorous testing and quality control.