上海浦东马铁厂

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Anti—Fake

How to identify counterfeit products, fake products and product conforms to the national standard to compare

With DN20mm (3/4) elbow sample

1 light weight. False and inferior product structure size is less than the national standard requirements, weighs only 120 grams. The product conforms to the national standard single major in 150 grams.

Left for the false and inferior product, right to accord with national standard products

2 The material carrier. False and inferior product material below KTH300-06 brand, no toughness. And accord with national standard product material reaches more than KTH330-08 grades, high strength, good toughness.2

Left for the false and inferior product, right to accord with national standard products

3 wall thickness. And inferior products to cut corners, its product wall thickness is only 2 ~ 2.5 mm. And reach national standard product wall thickness more than 3.2 mm.

Left for the false and inferior product, right to accord with national standard products

4 short thread. False and inferior product thread length is only about 10 mm, poor sealing. The product conforms to the national standard thread length is greater than 15 mm.

Left for the false and inferior product, right to accord with national standard products

5 ogo is not clear.

Left product logo, specification on fuzzy, right products meet the national standards