Cast iron Bushing is used in many construction sites, and ductile castings have high strength and toughness. Because the ductile castings have undergone special treatment, such a strong material can be obtained. Because the ductile castings are so strong, the application of ductile castings is also very extensive. When the production of ductile castings is completed, how should they be accepted?

1. The main materials used in the manufacture of ductile cast pipes, whose suppliers have passed the ISO9002 system.

2. The internal anticorrosion adopts the centrifugal cement mortar lining, which requires a smooth and uniform appearance without cracks.

3. External anticorrosion adopts zinc spraying and bitumen coating, and the zinc spraying is in accordance with the international ISO8179 standard.

4. The ductile iron pipe shall meet the safety evaluation standard of GB/17219 drinking water distribution equipment and protective materials.

5. Nodular cast pipe, the pipe length is 6M, and the wall thickness is K9.

6. The quality requirements and test methods of rubber rings shall meet the standard of "ISO4633-1996 (E) Interface Rubber Rings for Water Supply and Drainage Pipelines" respectively.

After the introduction of our Xingchang Fan factory, you should have a certain understanding of the acceptance of ductile castings. Only after a certain standard of inspection can the produced product become a qualified product. Our ductile castings are also tested. Our products also include compressor crankshafts, air compressor crankshafts, etc. Welcome to inquire: https://www.chinaxcfan.com/product/precision-machining-equipment/