The manufacture of Blind flange is a process-mature industry. Now the whole industry has problems of Severe overcapacity, and serious product homogeneity, which lead to vicious competition of market price. Its results are "fake products, use the lower quality products to pretend to be the good ones, and rough manufacture" For example, the raw material with many impurity and pore, the finished flange is 2-3 mm thinner than standard required.Duwa Piping insist on Quality-First principle.
Why many famous company choose Duwa:
1 Apply the world-class military CNC lathe.
2 Quality Guarantee period is 2rd times than others.(others in the same line of business can not guarantee the quality or only guarantee for 2 yeas.)
3: The flange with diameter ≤Ø 219mm has been in the planned inventory, and can be Ex-works in 3days.
Products Related to ASME B16.5 Slip Blind Flange 8 Inch Class 300