... corrosion-resistant, non-polluting, quick wa 3/4" DN20E float valve with plastic ball and plastic bodySpecification:Valve Material – ABSBall Material - ... 0.6M pa)Length Max - 24cm Advantages:1.Self-locking and stability 2.Less abrasion, corrosion-resistant, non-polluting.3. ... , cistern, cooling tower,air cooler, gardening, animal husbandry and other water equipment. it's not only popular in China ...