Model No : KYQDDN15 -1Thread : 1/2 inch Valve Body: ABS Stem : ABS Plug : NR Ball : PE Max water pressure: 1.2 Mpa Working Temp: -35 to + 70 C Length : within 25 cm (not include thread) Note: This is a new developed valve, by changing the float , we can keep the total length within 17cm , it's a realistic product for those small footprint required water tank. the cost is less auto lock valve.