Refined title: Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2 Union

The Valterra 200-CU15 union check valve features a construction of clear schedule 40 PVC (polyvinyl chloride), chosen for its robustness and ability to withstand corrosion and mild chemicals. It incorporates an EPDM (ethylene propylene diene monomer) seal that effectively resists degradation from water and oils. This valve is designed with a swing/spring mechanism, allowing flexible installation in any orientation. Each end is equipped with a 1-1/2" slip connection that requires adhesive for secure fastening.

With a maximum pressure rating of 150 pounds per square inch (psi) and a spring tension of 1/2 lb., the valve ensures reliable closure under varying conditions. Its versatile design makes it suitable for diverse applications including landscape irrigation, pool maintenance, aquaculture, and general-purpose use.

Check valves like the Valterra 200-CU15 are essential components in fluid systems, as they permit fluid flow in one direction while preventing backflow. They typically feature two ports, with flow entering through one and exiting through the other. These valves operate based on different mechanisms such as ball cone and swing check designs.

In a ball cone valve, a spring-loaded ball rests against a cone-shaped surface to halt forward fluid movement. Conversely, a swing check valve employs a hinged disc to block reverse flow. The effectiveness of check valves is determined by their cracking pressure, which is the minimum upstream pressure required to initiate valve action.

Valterra Products, established in 1981 and headquartered in Mission Hills, CA, specializes in manufacturing and distributing a wide range of valves, hoses, sewer systems, and pool/spa products. Their commitment to quality materials and engineering ensures reliability across their product line.

Key features of the Valterra 200-CU15 union check valve include: - Construction from schedule 40 PVC for durability and resistance to corrosion and mild chemicals. - EPDM seal providing excellent resistance to water and oils. - Maximum pressure rating of 150 psi, suitable for various operating conditions. - Spring tension of 1/2 lb. ensuring secure valve closure. - 1-1/2" slip connections for reliable adhesive-based installation.

These attributes make the Valterra 200-CU15 an ideal choice for applications demanding dependable fluid control and prevention of backflow. Whether used in irrigation systems, pools, aquaculture setups, or general plumbing, this valve stands out for its performance and durability in diverse environments.

In summary, the Valterra 200-CU15 union check valve combines robust construction, effective sealing technology, and versatile design to meet the needs of professional and DIY applications alike. Its adherence to high standards of performance and reliability underscores Valterra's reputation as a leader in fluid control solutions.

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