| This heater is an explosion-proof heater, which has been widely used in China's petrochemical, metallurgical and other industries. However, its service life is not as long as other new heaters. Its heating power per unit area is relatively high, especially for those above 5KW, the service life is only about 3 years. Therefore, this heater is not a product promoted by the unit. The reserved hole for flange connection is ≥Φ70. Design pressure 1.6Mpa Explosion-proof grade: d‖CT4, outer material is all stainless steel, steel pipe wiring is M20×1.5
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