Wide Temperature Range: Designed to operate efficiently within a temperature range of -40°C to +100°C, this Mechanical Shaft Seal can withstand extreme conditions, making it ideal for use in inline water pumps. Materials: This 155 Series Mechanical Shaft Seal is constructed with materials, including a ceramic stationary ring, carbon rotary ring, and Nitrile Butadiene Rubber secondary seal, ensuring durability and reliability in various applications. Versatile Sizes Available: Our Mechanical Shaft Seal is available in multiple sizes (8mm, 10mm, 12mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 22mm, 24mm, 25mm, 28mm, 30mm), catering to various inline water pump requirements for compatibility. Robust Spring Design: Featuring a stainless steel spring, the Mechanical Shaft Seal provides strong sealing performance and enhances the longevity of your inline water pump by reducing wear and tear Application: Mechanical spring shaft seal is suitable for water pump, oil cylinder, swimming pool Spa pump, etc., Manufacturer: HGCOEYR