2" Fresh Water Spring Check Valve (Spears S1580-20F)

The PURCLEAN-5195 (Spears S1580-20F) is a high-quality, maintenance-free check valve engineered to allow fluid flow in only one direction. The "Spring Check" design uses a stainless steel spring to assist in positive closing, providing a quick response and reliable shutoff even at low pressures. Its PVC body and EPDM seals provide excellent resistance to fresh water and chemicals.

Construction and Performance

• Valve Type: Spring Check Valve (designed to prevent backflow/reverse flow).
• Nominal Size: 2 inches.
• End Style: FNPT (Female National Pipe Thread) for connection to male-threaded pipe.
• Body Material: PVC (White color), providing chemical and corrosion resistance.
• Trim Material: EPDM (Ethylene Propylene Diene Monomer) seat with a weighted disc for a long-life, positive shutoff seal.
• Internal Components: Features a Stainless Steel Spring on the spring check model; contains No metal parts in contact with the fluid (on the swing check option), ensuring high purity.
• Pressure Rating: 150 psi at 73°F (full flow/open) and 75 psi (back pressure/closed).
• Installation: Suitable for both horizontal or vertical Up-flow installations and vacuum service.

Tommy Car Wash System Application

This check valve plays a crucial role in preventing contamination or reverse flow in water storage:

• System Use: Used in the 400 Gallon Upright Rectangle Reject Water Tank Assembly and the 200 Gallon Upright Rectangle Reject Water Tank Assembly.
• Purpose: Ensures that the tank's contents only flow out of, or into, the tank in the intended direction, preventing fluid from backing up into the supply line.