[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - a pipeline project] material requirements, types of sheet metal, pipes and other documents should be quality (including factory certification, quality certification and test reports, etc.) and product list. 2, the finished product does not allow duct deformation, distortion, cracking, holes, flanges off, open welding, riveting drain, drain bolt holes and other defects play. 3, the valve muffler installed, cover, air conditioning apparatus and other components should be checked whether the flexible engineering company, muffler piece, paint layer without injury. 4, the material used in the installation: bolts, nuts, washers, gaskets, seals, self-tapping screws, pop rivets, welding, all kinds of canvas, woven, nail, bolt, etc. should conform to product quality requirements. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - Ventilation Engineering] ventilation and air conditioning construction safety and environmental reasons? 1. undertake the construction of ventilation and air conditioning business should have the appropriate safety production license; construction and installation site should establish appropriate safety and environmental management system, and should be equipped with a full-time safety officer. 2. The pre-construction ventilation and air conditioning engineering safety technical tests should be carried out; in the security measures and facilities construction should meet the relevant requirements of the State; construction equipment shall require the use of appropriate safety procedures. 3. The provisions of the construction process construction site temporary power should be consistent with existing national standards should be taken to ensure the safe operation of electrical equipment and effective measures. 4. electricity, gas welding welding operations, the operator should set up special supervision certificates, and should be equipped with fire fighting equipment; electricity, after welding operation is completed, should be carefully checked before leaving to eliminate hidden dangers. 5. scene handling, while lifting a variety of materials and equipment, should be someone directing and coordinated to avoid injuries and damage to materials and equipment. 6. Large lifting equipment, shall be prepared before shipping special technical solutions to be implemented after approval. 7. operations in an environment of poor air circulation, ventilation should take interim measures. 8. Paint, ventilation pipeline projects, protective measures should be taken when refrigeration room engineering adhesives brushing, and should keep the air circulating within the operating area. 9. explosive and other dangerous items should be safely stored separately, volatile items should be sealed, and storage of dangerous goods residue containers should be properly recycled. 10. may produce dust, the noise of the construction process operations, dust and noise reduction measures should be taken. HVAC | North Project | Tianjin Jinzhong Ji Ventilation is provided by Tianjin Jinzhong Ji HVAC purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the group into the brilliant and you work for a better future!