This multi-purpose manual lever ball valve has excellent corrosion resistance and is suitable for a variety of applications. The valve is equipped with PTFE seals to maximize the corrosion resistance and service life of the ball valve. 1000 WOG: the maximum pressure of water, oil and water is 1000 psi, gas fluid medium: for liquid and gas valve body and ball type: 316 stainless steel temperature range: -60掳f to 450掳f Brass Valve Body: High-density forging, no blister, no air holes, no leakages. Made by special high precision CNC machines. Brass Bonnet: High-density forging, no blister, no air holes, no leakages. Made by special high precision CNC machines. Valve Ball: Smooth and wear resisting, with good sealing performance. Brass Valve Stem: Made of hot rolled brass, high tensile strength, good toughness, long-term use without deformation, fracture. The thread, color of handle, materials, etc. can be customized.Brass Ball Valve website:http://www.winsoem.com/brass-valve/brass-ball-valve/