Single Union Standard ABS Manual Ball Valves, available in sizes from 3/8" to 4", are lightweight and suitable for various applications like water treatment and irrigation. The Double Union Standard ABS Manual Ball Valves, also ranging from 3/8" to 4", are designed for reliable use in similar settings. For more demanding environments, Double Union Industrial ABS Manual Ball Valves, available in the same size range, offer added durability and performance.