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This Valterra 200-CU15 union check valve is made of clear schedule 40 PVC (polyvinyl chloride) for strength and resistance to corrosion and mild chemicals. Its EPDM (ethylene propylene diene monomer) seal resists degradation caused by water and oils, and the swing/spring construction of this valve makes it possible to install it in any position. It has a 1-1/2" slip connection at each end, which must be fastened with glue, a maximum pressure rating of 150 pounds per square inch (psi), and a spring tension of 1/2 lb. This check valve is suitable for use with landscape and irrigation, pool and spa, aquaculture, and general purpose applications.
Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.
Valterra Products manufactures and distributes valves, hoses, sewer systems, and pool and spa products. The company, founded in 1981, is headquartered in Mission Hills, CA.
Trevor Walter
Comentado en Canadá el 24 de enero de 2025
Very easy install. Fixed loud water hammer thud from the cheap check valve I purchased originally. Now it literally makes zero noise. Great product!
S. Cox
Comentado en los Estados Unidos el 29 de agosto de 2024
So after installing a high-end, very expensive variable-speed water pump, the water system wasn’t working right. One of the issues we surmised might be happening is back pressure on the supply line. A check valve seemed to be the next step in eliminating variables, and so we decided to try this unit. Part of the decision to go with this particular piece of equipment was 1) it is see through. We would immediately know if our theory was right or wrong by visual confirmation, instead of guessing or installing unnecessary pressure gauges. 2) it can be used in a horizontal configuration. Most other see-through check valves are designed to only work in vertical applications. This fit our water system design perfectly. Happy ending: this unit worked like a champ! It fixed the problem we were experiencing. We could see that there was slight incoming pressure with the ‘flap’ being slightly open, and once the pump kicked on, we could see right away that the flap closed/sealed tight against the housing. I will probably buy more of this unit in case it ever fails in the future. For the price, this is an inexpensive insurance policy! Highly recommend.
MrEagleMaster
Comentado en Canadá el 20 de marzo de 2024
Silent. Not a sound. Easy to install. Make sure you use the specific abs to pvc glue if installing on abs, this is made of pvc
Charles H. Caban
Comentado en los Estados Unidos el 11 de noviembre de 2024
Used these on 1/2 HP sump pumps with vertical discharge for mostly clear water. They are secure and don’t blow off like the ones with a rubber sleeve and hose clamps.
Patricio
Comentado en México el 22 de julio de 2023
Fácil de instalar y confiable
Raul H Diaz Cervantes
Comentado en México el 22 de enero de 2023
Con esta válvula terminó el efecto golpe de ariete. está muy bien.
McNabb
Comentado en los Estados Unidos el 26 de septiembre de 2023
No se pudo cargar el contenido.
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