From Manufactuerer Guangdongzhujian Pipe Fitting suppliesFeatures: 3 Piece Type ball valves are fastened together using bolts. This design allows for full service of the valve while it is still connected to the piping. Convenient for working on pipes or fixing the valve when disconnecting from the pipes is difficult to do. This multi-purpose manual lever ball valve has excellent corrosion resistance and is fit for many applications. The valve is fitted with PTFE seals for maximizing corrosion resistance and lifespan of the ball valve. When using biodiesel: Stainless steel ball valves are ideal for biodiesel processors. Stainless steel has excellent corrosion resistance to biodiesel, methanol, sulfuric acid and caustics. Use of stainless steel ensures a long-lasting processor Dimensions of 3-Piece Type Ball Valve (See Diagram) G=1/2" D(mm)=15 L(mm)=73 H(mm)=58.5 W(mm)=105 M(N/m)=4 G=3/4" D(mm)=20 L(mm)=83 H(mm)=65.5 W(mm)=120 M(N/m)=7 G=1" D(mm)=25 L(mm)=87.4 H(mm)=74 W(mm)=150 M(N/m)=9 Package Contents: 1 piece x 1/2" 3 Piece Type ball valve