ออกแบบและสร้างอุปกรณ์ปั้มน้ำแบบไม่ใช้ไฟฟ้าในการเลี้ยงปลาตู้สวยงาม

This research is designed to Design and construction of non-electric water pump equipment in the aquarium beautiful. And test the efficiency of the device. Designed and built. PVC pipe fittings The diameter is 12 inches high 130 centimeters. The operation of the device using the vacuum. Discharge of water and continuous access to equipment. Experimental results Non-electric water pump in the aquarium beautiful. Average water flow rate is 20 liters / hour.