Outer Diameter Pipe Manufacturers in USA | Sunny Enterprises

Outer Diameter Pipe Manufacturers in USA | Sunny Enterprises
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Sunny Enterprises, a one of the former O.D. (Outer Diameter) pipe manufacturers, suppliers and exporters in USA. We provide the proper outer diameter piping which is essential for the various types of applications that can provides the standardized way to measurement.

The outer diameter of piping plays a crucial role in ensuring accurate fittings, allowing pipes, fittings, and flanges from different manufacturers to fit together seamlessly. This standardization enables interchangeability between different piping systems while maintaining consistency across various pipe schedules. Below, we have provided a brief overview of the types of outer diameter piping, along with its benefits and applications!

Our multiple types of Outer Diameter Piping

As a former outer diameter piping manufacturers, suppliers and exporter in USA, we provide multiple types of outer diameter for different types of pipes such as:

  • HDPE (High-Density Polyethylene) Pipes: In these HDPE pipes, the size follows IPS (Iron Pipe Size) or DIPS (Ductile Iron Pipe Size) standards and comes in sizes such as 1", 2", 4", 6", 8", 10", 12", etc. Due to its stronger structure and ability to resist higher thermal temperatures, these are used in water and gas distribution.
  • Copper Piping (ASTM B88): The sizing in the outer diameter of copper piping is based on Type K, L, M, and DWV, each with different wall thicknesses. The common OD sizes in copper piping are ⅜", ½", ⅝", ¾", ⅞", 1⅛", etc. These are used for plumbing, refrigeration, and HVAC applications.
  • PVC & CPVC Pipes (ASTM D1785, D2846): These PVC and CPVC pipes are available in both Schedule 40 and 80. The size of the OD matches steel pipes but has a different kind of wall thickness. These are used for plumbing, water supply, and chemical handling services.
  • Tubing (OD-based): We provide sizes in these tubing such as ¼", ⅜", ½", ¾", 1", 1½", 2", etc. These sizes are measured by outer diameter and wall thickness, and we use pure materials such as aluminum, stainless steel, and plastic (PEX, PVC). These are primarily used in HVAC, plumbing, and industrial applications.
  • Nominal Pipe Size (NPS) - North America (ANSI/ASME B36.10 & B36.19): In these outer diameter piping systems, we provide common sizes such as ½", ¾", 1", 2", 4", 6", 8", 10", 12", 16", 24", etc., with schedules including Sch 5, Sch 10, Sch 40, Sch 80, Sch 160, and Sch XXS. The outer diameter in these pipes remains constant, while the wall thickness (Schedule) varies. It is specifically used in steel, stainless steel, and other metal pipes.

Importance of Outer Diameter (OD) Piping

The outer diameter is an important factor in the manufacturing of piping and highly useful in the multiple applications such as industrial, commercial and residential sectors also. We briefly mentioned below the importance of our Outer Diameter piping services:

  • Consistency across Different Pipe Schedules: In our outer diameter piping, we ensure higher consistency across different pipe schedules. In Nominal Pipe Size (NPS) systems, the outer diameter remains constant, while the wall thickness varies according to the pipe schedule (Sch 10, Sch 40, Sch 80, etc.). These piping systems ensure that components such as valves and fittings fit perfectly without requiring modifications.
  • Essential for Pipe Fittings and Connections: All types of OD-manufactured pipes we provide are specially designed with standard fittings such as couplings, elbows, tees, and reducers. We ensure accurate OD measurements that offer more secure and leak-proof connections. These are widely used in the plumbing, oil & gas, and fire protection industries.
  • Standardization and Compatibility: Pipes, flanges, and valves are manufactured by different companies, and we offer outer diameters for all types of pipes to ensure proper fittings for various applications. Our OD piping adheres to standards set by organizations such as ASME (American Society of Mechanical Engineers), ASTM (American Society for Testing and Materials), and ISO (International Organization for Standardization).
  • Precision in Tubing and Specialty Applications: In multiple applications such as medical gas lines, refrigeration, and instrumentation, we provide high accuracy and manufacture standard OD tubing sizes including ¼", ⅜", ½", ¾", 1", 1½", and 2". Stainless steel tubing is primarily used in food processing, pharmaceuticals, and chemical industries.

Benefits of our Outer Diameter (OD) Piping

Being the best outer diameter piping suppliers and exporters in USA, our outer diameter piping services gives multiple types of benefits such as:

  • Standardized Sizing: Our OD pipes are manufactured to meet industry standards and ensure compatibility with various fittings and connections. This standardization allows for easy integration into new and existing piping systems.
  • Easy Measurement: We produce OD pipes with accurate dimensions that can be easily measured using standard tools like calipers or measuring tapes. This can simplifies the overall process and also reduces errors during installation.
  • Consistent Wall Thickness: Our advanced manufacturing processes ensure uniform wall thickness and this can be more beneficial for maintaining pressure rates and structural strength. This consistency enhances safety and performance in critical applications.
  • Better Flow Calculation: With accurate OD sizing, engineers can precisely calculate flow rates and pressure drops for optimal system efficiency. This leads to better fluid management, reducing energy costs and improving performance.
  • Enhanced Compatibility: Our OD piping is designed to work with a wide range of industry-standard components, including flanges, valves, and fittings. This ensures flexibility and ease of use across different industries and applications.
  • Improved Strength & Durability: Made from high-quality materials, our OD pipes are built to withstand extreme conditions, including high pressure and temperature variations. This makes them ideal for oil & gas, chemical processing, and industrial applications.

Applications of our Outer Diameter (OD) Piping

One of the former Outer Diameter (OD) Piping manufacturers and suppliers in USA, our best quality of outer diameter piping services are highly used in multiple types of applications such as:

  • Oil and gas transmission pipeline infrastructure
  • Water distribution and wastewater treatment systems
  • HVAC, refrigeration, and cooling tower piping networks
  • Chemical and petrochemical plant process piping systems
  • Fire protection, sprinkler, and suppression piping networks
  • Power generation, steam, and nuclear facility piping
  • Marine, offshore, and subsea pipeline installations
  • Food, beverage, and dairy process piping systems
  • Pharmaceutical, biotech, and medical gas piping systems
  • Automotive, aerospace, and hydraulic fluid transport systems

Frequently Asked Questions (FAQs)

OD refers to the external measurement of a pipe. It is crucial for determining pipe fittings and compatibility.

OD is the actual outer measurement, while NPS is a standard designation. NPS pipes may have varying wall thicknesses.

It ensures proper fitting, flow rate, and pressure handling. Many industries use OD for precise installation and compatibility.

Use a caliper or OD tape around the pipe. Ensure accurate measurement across the widest external point.


Being the top O.D. (Outer Diameter) piping manufacturers, suppliers and exporters in USA, we as Sunny Enterprises are providing the high quality of outer diameter services. The proper structure of outer diameter in piping helps for proper fittings of connected equipment and we manufacture the outer diameter of all types of pipes with various amount of standardization. For more information, contact us today!

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