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Sterling subcontracts pressure vessel fabrication as do most deaerator suppliers. Fabrication facilities are prequalified by Sterling and must meet ASME Codes and Standards as well as Sterling’s own stringent requirements. Sterling utilizes fabrication facilities around the globe and continues to explore new facilities in order to compete in today’s global market. In addition, Sterling has a sister company which specializes in fabrication of deaerator internal components and boiler feed systems. This helps ensure that the components which are critical to performance are manufactured to the highest standards.

Quality Assurance Procedures followed by Sterling assure that products meet our customers’ most exacting specifications, which may include:
• ASME Section VIII and Section I
• Heat Exchange Institute
• American Petroleum Institute

Non-Destructive Testing Capabilities Include:
• Radiography
• Wet Fluorescent Magnetic Particle Testing
• Post Weld Heat Treatment
• Positive Material Identification
• Ultrasonic Testing
• Dye Penetrant Testing
• Hydro Testing

Sterling inspectors work closely with customers, fabricators and third party inspectors to verify that all necessary standards are met.


PJR Cert
ISO 9001:2015
Member of:
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For Spare Parts Contact
Sterling in Cumming, GA
Phone: 770-205-1969
Fax: 770-205-2882

For New Equipment Contact
Sterling in Lee’s Summit, MO
Phone: 816-524-5382
Fax: 816-524-5480