Type Bia 560 Water Pump Mechanical Seal Silicon Carbide Shaft Size 14mm 16mm 18mm 20mm 22mm 24mm 25mm 28mm 30mm 32mm 33mm 35mm 38mm. Versatile Shaft Sizes: Available in 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 25mm, 28mm, 30mm, 32mm, 33mm, 35mm, and 38mm. Wide Application Range: Suitable for cooling pumps, centrifugal pumps, submersible pumps, and industrial wastewater treatment. Robust Material Options: Rotary and stationary rings made from silicon carbide, tungsten carbide, and alumina for durability. OEM and ODM Support: Customization available from samples, designs, and full customization options. ISO 9001 Certified: Manufacturing process certified under ISO9001:2015 for consistent quality and reliability. Fast Delivery for Small Orders: Typical delivery time is 2-3 days for small orders after receiving prepayment. Free Sample Availability: Free samples provided for testing, though international freight costs must be covered by the buyer. High Inventory Capacity: Over 1,300 models and 80,000 sets in stock to meet immediate customer needs.