TUBE TURNS® Products maintains the highest level of facility credentials and certifications to ensure our products meet the most stringent quality and safety standards in the industry. Our comprehensive quality program and certifications demonstrate our commitment to excellence in manufacturing specialty piping components and quick opening closures.
ASME Certifications
U Stamp
Pressure Vessels
R Stamp
Repairs & Alterations
NB Stamp
National Board
TUBE TURNS® Products maintains a quality program per ASME, Section VIII, Division 1, Appendix IX, and is authorized by ASME and the National Board to use the U, R and NB stamps. Our quality program ensures all pressure vessels and components meet ASME Boiler and Pressure Vessel Code requirements.
Quality Management System
ISO 9001:2015 Certified
Quality Management System
Our Quality Management System is certified to ISO 9001:2015 standards, ensuring consistent quality in all aspects of our operations from design and manufacturing to customer service and delivery.
Third-Party Auditing
The quality program is audited by third-party inspector, The Hartford Steam Boiler Inspection and Insurance Co. (HSB Global Standards, a subsidiary of Munich Re Group), and the State of Kentucky. These regular audits ensure our continued compliance with the highest industry standards.
Industry Standards Compliance
ASME Standards
- ASME Section VIII, Division 1
- ASME B31.3 - Process Piping
- ASME B31.4 - Pipeline Transportation Systems
- ASME B31.8 - Gas Transmission and Distribution
Industry Specifications
- API (American Petroleum Institute) Standards
- NACE (National Association of Corrosion Engineers)
- PED (Pressure Equipment Directive)
- PVHO (Pressure Vessels for Human Occupancy)
Canadian Registration Numbers (CRN)
TUBE TURNS® closure products have been awarded Canadian Registration Numbers (CRN) that are a requirement to provide pressure-retaining equipment to Canadian Provinces. This certification demonstrates our ability to meet the specific requirements of the Canadian market.
Provincial Coverage
Our CRN registration allows us to supply pressure equipment to all Canadian provinces, ensuring compliance with local regulations and safety standards.
Non-Destructive Examination (NDE) Services
We offer comprehensive Non-Destructive Examination services on-site at our Louisville facility under engineering department supervision. All examinations are performed by licensed Level II technicians.
X-Ray
Radiographic Testing
Ultrasound
Ultrasonic Testing
Magnetic Particle
MP Testing
Liquid Penetrant
LP Testing
Hydrotest
Pressure Testing
Helium Leak
Leak Detection
Specialized Certifications
Commercial Diving Applications
We design couplings and closures per PVHO (Pressure Vessels for Human Occupancy) Code to meet our Commercial Diving customers' requirements. This specialized certification allows us to serve the underwater construction and diving industry with life-critical equipment.
PVHO Code Compliance
Our PVHO-certified products ensure the highest safety standards for pressure vessels used in human occupancy applications, providing peace of mind for commercial diving operations.