Features This condensate drain valve is small in size, light in weight, beautiful in appearance and easy to carry. It is a drain valve with automatic operation, which reduces the waste of compressed air when draining the condensate, and the effect is obvious. Easy to install and use, this drain valve is an integrated type, the valve opening time is adjustable from 0.5-10 seconds, and the closing time is adjustable from 0.5-45 minutes. Made of high-quality brass material, stable performance, with a unique separate design, one-way flow direction, two voltages for your choice. The outer diameter of the thread is about 21 mm, and the G1/2 thread is widely used, suitable for most air compressors, and has an obvious effect. Specifications: Voltage: AC110V, AC230V (Optional) Type: Integrated Valve Material: Brass Valve Operating Modes: Direct-acting Interval(OFF): 0.5-45min. Discharge Time: 0.5-10sec. Thread: G1/2 (DN15) Thread Outer Diameter: Approx. 21mm Pressure: 0-1.6Mpa Fluid: Air, waterFluid Temperature: -5℃~80℃ Fluid Direction: One-way Package Includes: 1 x Drain Valve Note:  The AC230V one can also connect to AC220V.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Drain Valve