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30in x 28in API620 internal floating roof tank butt-welded joint

30in x 28in API620 internal floating roof tank butt-welded joint

30in x 28in API620 internal floating roof tank butt-welded joint

The opening pressure or vacuum of the pressure relief and 30in x 28in API620 internal floating roof tank vacuum relief valves shall be checked by pumping air above the water level and releasing the pressure and then partially withdrawing water from the tank. After the tank has been emptied of water and is at atmospheric pressure, the anchorage, if provided, shall be rechecked for tightness against the hold-down brackets. Air pressure, equal to the design pressure, shall be applied to the empty tank, and the anchorage, if provided, and the foundation shall be checked for uplift.

In line with the service concept of "honesty first, customer first" and the service tenet of "all for customer satisfaction", the company adopts the acceptance and response mode of combining manual and automatic, and accepts the diversified service demands of customer business consultation, complaint declaration, business acceptance, etc. through telephone, fax, e-mail, visit, letter, etc.

Welding certification is regulated by Section 10 of the American Society of Mechanical Engineers (ASME). For both 30in x 28in API620 internal floating roof tank storage tank API 650, non-destructive inspection is required, but third-party inspection is not required.

The company is deeply supported and loved by customers with its unique business philosophy and business model. The company has always been adhering to the "credibility first, integrity-based, quality first" purpose, and sincerely serve new and old customers. Over the past twenty years, the company has won the trust of customers by relying on good service and good reputation. Our aftersales team’s main responsibility is to deal with quality feedback and complaints from Customer.

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