Item Type: Solenoid Valve Material: Brass Product Size: Approx. 170x106x87mm / 6.7x4.2x3.4in Thread Diameter: Approx. 45mm/1.7in Flow Diameter: Approx. 40mm/1.5in Model: 2W-40K Package List 1 x Solenoid Valve 1 x Manual With 13mm/0.030.1in Error 1Brass electric solenoid valve is one piece molding without burrs, smooth surface, smooth installation. 2The direct acting diaphragm structure is used for pressure free start, which expands its application field. 3The flat diaphragm structure is adopted for reliable opening and closing, and the service life of the product is enhanced. 4Small size, easy to assemble and disassemble, wide application range, and sensitive response. 5Please check pictures for more details, and check your part number and our fitment before placing an order.