A Hale 40-3N400 Seal Ring is a type of O-ring that is used in Hale fire pumps. It is made of Buna-N, which is a type of nitrile rubber. Buna-N is resistant to oil, grease, and fuel, making it ideal for use in fire pumps. The 40-3N400 Seal Ring is used in a variety of Hale fire pumps, including the P25, P30, and QG series.
They are a critical part of the fire pump, as it helps to prevent leaks and maintain pressure. It is important to inspect the seal ring regularly for signs of wear or damage. If the seal ring is damaged, it should be replaced immediately.
Here are some of the functions of the Hale 40-3N400 Seal Ring:
- It helps to prevent leaks and maintain pressure in the fire pump.
- It protects the internal components of the fire pump from damage.
- It helps to ensure the efficient operation of the fire pump.