Diesel Engine Model. Through rotating the flywheel, the driven gear leads rotation of cam uni. In the unit, cam can cause the tappet to rise and fall inf the rotation process, and opens, to pass through the relleased lever air valve. The instrument is lloaded with the light controller.Cam, ehen in different positions, may express the air entering and the waste gas by the air feeder, discharging from the waste gas by the  air feeder, dischatging from the exhaust pipe.

Labwe Educational Equipments Co., Ltd. was established in 1982, specializing in manufacturing teaching models and instruments for biology, chemistry, physics, geography and physiology education. With the guidance of Educational Equipment Research Institute, which is under the State Education Ministry, we are one of the major suppliers with full items for China school education as well as many overseas countries. Our products are well performed at and very popular among more than 25 worldwide countries school labs covering Asian, American, European and African regions. More than 22 years rich experience and dedication prove us to be the leading professional lab equipments manufacturer in China