Construction: The 155 Series Mechanical Shaft Seal features a robust design with a stationary ring made of carbon and a rotary ring crafted from ceramic, ensuring excellent durability for long-term use in various applications. Versatile Compatibility: This Mechanical Shaft Seal is suitable for shaft diameters ranging from 10mm to 40mm, making it ideal for a wide array of clean water pumps and circulation pump systems. High-Performance Sealing: Operating efficiently under a temperature range of -20°C to +100°C and a pressure of up to 0.6MPa, this seal guarantees reliable performance even in challenging conditions. Smooth Operation: With a maximum speed capability of 13m/s, the 155 Series Mechanical Shaft Seal ensures smooth and efficient operation, reducing friction and wear in your water pump applications. Reliable Secondary Seal: The nitrile rubber secondary seal provides enhanced protection against leaks, ensuring that your circulation water pump functions effectively without compromising on performance., Manufacturer: QAXRZCUCD