Industrial Exhaust

VLH SERIES HEAVY HAMMER EXHAUST FAN

· Frame using advanced automatic processing insures high precision. Extra-thick zinc coating frame, corrosion resistance strong.

· High-strength aluminum alloy casting wheel, the reasonable perspective of the type, to reach the maximum air flow. High-precision micro –computer – aided manufacturing system can make the best of its fans.

· It used Al-alloy rim, so it has light weight ,high intension and good toughness.

· Electrical motor, national-grade aluminum alloy frame motor, 380V, 50Hz, 3-phase, 4-pole speed, 1410r/m, IP55, class F, efficiency 90%, top/foot mounted, certification.

· Bearing of impeller, permanently sealed bearing,

· High precision system is assisted by computers, which maximizes the effectiveness of the fan. Ten strict procedures that consist of airflow test, noise test, libration test, drive concentric test, blade RPM test, electric current test and whole machine efficiency test, dynamic balance test, the thickness of the galvanized sheet test, the size of the spare parts test. They assure the quality of the fan.

Big belt pulley(heavy hammer exhaust fan) : it used by aluminum magnesium alloy, which is new aerial material, light and high-strength with beautiful shape.

Swung drop hammer which are made of high quality nylon would guarantee the shutters open and close easily and steadily.

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