Piping Technology & Products, Inc. and its wholly owned subsidiaries, U.S.Bellows, Inc. and Sweco Fab, Inc. are committed to the continuous improvement of our products and services. We understand the industry challenges we eagerly serve not only our external customers but also internal customers as well. Viewing ourselves as part of a team which includes our customers and suppliers, we understand our role in meeting the team’s goals. We plan and execute our work to meet our customers’ specifications. Working together we strive to…”DO IT RIGHT THE FIRST TIME”.


At the core of Piping Technology & Products, Inc.’s commitment to quality is the implementation of rigorous quality systems. These systems serve as a framework for maintaining consistency, reliability, and excellence across all stages of the manufacturing process. Three prominent standards govern their quality systems:

  • ISO 9001: International Organization for Standardization (ISO) 9001 is a globally recognized standard that sets out the criteria for a quality management system. It emphasizes a process approach, customer focus, and continual improvement, aligning seamlessly with Piping Technology & Products, Inc.’s dedication to meeting and exceeding customer expectations.

  • ASQC Q-92: The American Society for Quality Control (ASQC) Q-92 standard focuses on quality assurance in design, development, production, and servicing. It ensures that organizations establish and maintain a system to manage and improve quality, reflecting the company’s commitment to delivering products and services that consistently meet or exceed customer requirements.

  • CAN3 Z299: As a Canadian standard, CAN3 Z299 outlines the requirements for a quality assurance program in manufacturing, fabrication, and inspection organizations. Piping Technology & Products, Inc. adheres to this standard, showcasing its dedication to international and regional quality benchmarks.

These standards collectively create a robust quality management foundation, ensuring that every product leaving the facilities of Piping Technology & Products, Inc. is of the highest quality, meeting or surpassing industry expectations.


Our engineers recognizes the significance of design standards to achieve structural integrity, reliability, and safety of our products. Piping Technology & Products, Inc. and implements the following key standards in their operations:

  • ASME B31.1: This standard, issued by the American Society of Mechanical Engineers (ASME), focuses on power piping systems. It provides guidelines for materials, design, fabrication, erection, testing, and inspection of power and auxiliary systems, reflecting Piping Technology & Products, Inc.’s commitment to excellence in power-related applications.

  • ASME B31.3: Also from ASME, B31.3 addresses chemical plant and petroleum refinery piping systems. By following this standard, Piping Technology & Products, Inc. ensures the integrity and reliability of piping systems in industries where chemical processes are prevalent.

  • ASME B31.4: Targeting liquid transportation systems, ASME B31.4 provides guidelines for the design, construction, inspection, and testing of pipelines transporting liquids. This standard is integral for Piping Technology & Products, Inc. in delivering solutions tailored for liquid transport applications.

  • ASME B31.8: Focusing on gas transmission and distribution piping systems, ASME B31.8 sets the standard for the design, construction, and inspection of these systems. Piping Technology & Products, Inc. aligns with these guidelines to ensure the safety and reliability of gas-related piping applications.

  • ASME Section VIII Pressure Vessels: This section of the ASME Boiler and Pressure Vessel Code provides requirements for the design and construction of pressure vessels. Piping Technology & Products, Inc. adheres to these specifications, underscoring their commitment to the highest safety standards in pressure vessel applications.

By integrating these design standards into their operations, Piping Technology & Products, Inc. establishes a foundation of reliability and safety. Each standard plays a crucial role in ensuring that piping systems not only meet but exceed the expectations of diverse industries.

Piping Technology & Products, Inc. and its subsidiaries are unwavering in their commitment to upholding the highest standards and specifications in the piping industry. From quality management systems to design standards, every aspect of their operations reflects a dedication to excellence. By adhering to international and industry-specific benchmarks, Piping Technology & Products, Inc. not only meets regulatory requirements but also surpasses customer expectations, ensuring the longevity and success of their piping solutions in diverse applications.


Piping Technology & Products, Inc. places paramount importance on the manufacturing process, recognizing that the quality of the end product is deeply rooted in adherence to rigorous standards. In the realm of manufacturing, several key standards govern the production processes, ensuring the highest quality and reliability.

  1. MSS (Manufacturers Standardization Society):

    • SP-58, SP-69, and SP-89 for Pipe Hangers and Supports: These standards from MSS provide essential guidelines for the design and manufacture of pipe hangers and supports. Adhering to SP-58, SP-69, and SP-89 ensures that Piping Technology & Products, Inc. produces robust and reliable components for supporting piping systems.
  2. AWS (American Welding Society):

    • D1.1 for Structural Welding-Steel: AWS D1.1 is the go-to standard for structural welding of steel. Piping Technology & Products, Inc. complies with this standard to guarantee the integrity and strength of welded structures in their manufacturing processes.
  3. ASTM (American Society for Testing and Materials):

    • A36 for Structural Steel: ASTM A36 sets the standard for structural steel, guiding Piping Technology & Products, Inc. in the fabrication of durable and high-strength structural components.
    • A53 for Welded and Seamless Steel Pipe: A critical standard for steel pipes, A53 ensures the quality of both welded and seamless steel pipes used in various applications.
    • A120 for Black and Hot Dipped Zinc-Coated Steel Pipe: ASTM A120 dictates the requirements for black and hot-dipped zinc-coated steel pipes, ensuring corrosion resistance and longevity.
    • A123 and A446 for Zinc Coatings on Steel Fabrication: These standards provide guidelines for the zinc coating process on steel fabrication, contributing to the corrosion resistance of the final product.
    • A125 for Helical Steel Springs: Ensuring the quality and performance of helical steel springs, A125 is a crucial standard for Piping Technology & Products, Inc.
    • A153 for Hot Dipped Zinc-Coated Hardware: This standard specifies the requirements for hot-dipped zinc-coated hardware, enhancing the durability and corrosion
    • resistance of components.

    • A307 and A325 for Bolts and Studs: ASTM A307 and A325 standards guide the manufacturing of bolts and studs, ensuring they meet the necessary strength and quality criteria.
    • C916 for Adhesives: Adhering to ASTM C916 ensures the use of high-quality adhesives in the manufacturing process, contributing to the structural integrity of the final product.
    • D1621, 1622, 1623 for Cellular Plastics: ASTM standards for cellular plastics provide guidelines for the production of lightweight and durable components in Piping Technology & Products, Inc.’s manufacturing processes.
  4. EJMA (Expansion Joint Manufacturers Association):

    • Tenth Edition 2015 for Expansion Joints: EJMA’s Tenth Edition 2015 sets the industry standard for the design, manufacture, and performance of expansion joints. Piping Technology & Products, Inc. ensures the reliability and functionality of their expansion joints by adhering to this comprehensive standard.
  5. Steel Structures Painting Council and ISO 8501-1:

    • Vol. 1&2 and ISO 8501-1: Piping Technology & Products, Inc. follows guidelines from the Steel Structures Painting Council and ISO 8501-1 to ensure effective and durable painting of steel structures, enhancing their longevity and protection against corrosion.
  6. Industrial Fasteners Institute (IFI):

    • IFI-122 Metric Fastener Standards: Adhering to IFI-122 ensures that metric fasteners used in Piping Technology & Products, Inc.’s manufacturing processes meet the required standards for dimensions and performance.

Piping Technology & Products, Inc. and its subsidiaries uphold a commitment to excellence in manufacturing by meticulously adhering to a diverse range of standards. These standards not only guarantee the quality and reliability of their products but also showcase their dedication to meeting and exceeding industry benchmarks in every facet of the manufacturing process.


Piping Technology & Products, Inc. places a strong emphasis on testing procedures to validate the endurance and reliability of their products. Rigorous testing is a crucial phase in the manufacturing process, and adherence to industry standards is pivotal. Let’s explore the testing standards that guide Piping Technology & Products, Inc. in ensuring the quality of their products:

  • ANSI (American National Standards Institute):

    • B18.2.3 for Screws, Nuts, and Bolts: ANSI B18.2.3 provides comprehensive standards for screws, nuts, and bolts, ensuring the mechanical and material properties are in line with industry expectations. Piping Technology & Products, Inc. conducts thorough testing on these fasteners, following ANSI guidelines to guarantee their strength and durability under various conditions.
    • B18.22.1 for Washers: The ANSI B18.22.1 standard outlines the requirements for washers used in conjunction with screws, nuts, and bolts. Piping Technology & Products, Inc. conducts meticulous testing on washers to ensure they meet the specified standards for material properties and performance, enhancing the overall reliability of their products.

Incorporating these ANSI standards into their testing protocols, Piping Technology & Products, Inc. goes beyond manufacturing excellence, ensuring that every component undergoes stringent testing to validate its quality, durability, and reliability. By adhering to these testing standards, Piping Technology & Products, Inc. delivers products that not only meet but exceed industry expectations, providing customers with confidence in the performance and longevity of their piping solutions.