Frequently Asked Questions
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Enterprises' positive measures
As global environmental problems become increasingly serious, companies are increasingly aware of the importance of environmental protection. As a pioneer in the industry, the company has actively taken a series of measures to promote sustainable development and reduce the impact on the environment.
First, the company strictly controls resource consumption and emissions during the production process. By introducing excellent production technology and equipment, it has improved resource utilization efficiency and reduced waste. At the same time, the company has also effectively treated emissions to ensure compliance with environmental standards.
What are the inspection standards for high-pressure flanges (Class 600+)?
100% UT flaw detection + PMI material spectrum detection + hydrostatic test (in accordance with ASME B16.34).
What are the impact toughness requirements for low-temperature flanges (-196°C)?
The material underwent a Charpy V-shaped impact test at -196°C, with an absorption energy of ≥40J (as per ASTM A350 LF3).
In which industries are your products applicable?
Petroleum and natural gas, chemical industry, power, shipbuilding, water treatment, fire protection, etc
How long does it take to customize non-standard flanges?
15-25 days after the drawings are confirmed (DN≤24").
Are anti-corrosion coatings (such as FBE, 3PE) provided?
Supports epoxy powder coating (FBE) and three-layer polyethylene (3PE), and complies with the ISO 21809 standard.