Made of stainless steel, these float valves have excellent corrosion resistance even when exposed to chemicals. Valves for open tanks are for use only in an open tank. Valves for closed tanks are designed to withstand the pressure in a closed tank. For technical drawings and 3-D models, click on a part number.. Constructing top quality float and valve systems since 1992. Designed and improved on local ranches. Welcome to Watson Floats & Valves. Free Shipping on orders over $500! Now carrying freeze misers. We have been manufacturing floats and valves since 1992. We believe in constructing a quality product that will give our
Choose from our selection of brass float valves, extra-compact plastic float valves, bronze float valves, and more. Same and Next Day Delivery. BROWSE CATALOG. Abrading & Polishing; Building & Grounds; Electrical & Lighting;. Stainless Steel. Float Material. Copper. Plastic. Stainless Steel. Outlet Pipe Size. 3/8. 1/2. 3/4. 1. 1 1/4. 1 1/2.. The Stainless Steel Float Valves use the weight and buoyancy of their float to keep water levels constant inside water reservoir tanks. In addition to potable water, the SY can be used with other special fluids such as pure water, seawater, etc.