Specification: Condition: New Model: DN20 3 Wire 2 Control Valve Body Material: Brass Valve Rod Material: 304 Stainless Steel Sealing Material: Special Rubber Driver Base Material: Die-Cast Aluminum Driver Cover Material: Flame Retardant ABS Engineering Plastics Driver Motor: Hysteresis Synchronous Motor Driver Operating Voltage: DC24V Power Consumption: 7.5VA Valve Body Pressure: 1.6Mpa Allowable Pressure: 0.13Mpa Applicable Medium: Cold Water, Hot Water Applicable Medium Temperature: 2-95 Applicable Environment Temperature: 0-60 Open Time: About 10 seconds Close Time: About 5 seconds Valve Connection Mode: G3/4 Weight: Approx. 647g / 22.8oz Height: Approx. 13.3cm / 5.2in Size: Approx. 7 * 6.3cm / 2.8 * 2.5in Diameter: Approx. 2.5cm / 1.0in Package List: 1 * Motorized Ball Valve Installation and Commissioning: 1. Before the installation must carefully read the instructions, cut off the power and must be installed by professionals. 2. Flow direction must be the same as the direction of the arrow on the valve body. 3. The valve body must be located above the fan water tray, to ensure that the drip drop into the water tray. 4. Valve body and driver must be installed in the vertical direction 60 range, it should have at least 30mm space above. 5. The building must maintain enough maintenance operation space, and must be installed in the maintenance that repairing person can touch. 6. Two and more than two of the electric valve can not be parallel, if the need for parallel relays to be separated.