The Tonhe T25-B2-A motorized shut off valve is specially designed to accommodate heating, ventilation and air conditioning applications. It uses NPT and BSP threads with a brass valve unit. This valve assembly generates 1.0 Mpa pressure rating, and 2 Nm torque quotient. It proves as a reliable mechanical solution with its compliance to certain standard-setting regulators such as NSF61, CE, and ISO9001. The device runs within -15 to 50 degrees Celsius, and allows liquid passage with 1 to 90 degrees Celsius thermal condition.