In complex industrial piping systems, the safety and reliability of branch connections are paramount. Compared to traditional tees, Olet fittings eliminate the need to cut the main pipe, thereby reducing flow resistance and simplifying installation. Consequently, they are frequently employed in high-pressure, high-temperature, and large-diameter piping systems.

Accurate knowledge of the weight and volume of various branch sockets is vital for project budget control, logistics planning, and pipeline stress analysis. This article provides an in-depth analysis of branch socket (Olet) standards and types, along with the most practical quick reference guide for weight and volume.

What is an Olets? Why choose it?

A olet provides a branching point from a large-diameter pipe to a smaller-diameter pipe. The pipe welded onto the tee is called the main pipe, while the pipe welded onto the tee is called the branch pipe. Olet fittings come in full sizes, types, bores, and pressure ratings. Materials can include stainless steel, chromium-molybdenum alloy, or other alloy materials.

Olet fittings are providing an outlet from a larger pipe to a smaller one. They are used to instead of connected fittings such as reducing tees, reinforcing plates, and reinforced pipe sections.

There are many types based on the varity piping connected methods that weldolet, thredolet, sockolet, latrolet, elbolet and more. Why they are popular, because its outstanding advantages, such as safety, reliability, low cost and simple construction.

Types of Olet

Weldolet

Sockolet

Threadolet

Elbolet

Latrolet

SCH5S Pipet

SCH10S Pipet

Free Download: Complete Olet Pipe Fitting Weight and Volume Data Sheet

To facilitate quick reference and calculation for engineers, we have compiled a comprehensive table of weights and volumes for commonly used Olet pipe fittings. This includes data for STD, XS, XXS SCH160 specifications across all wall thicknesses, ready for use in procurement lists, cost calculations, and construction plan preparation.

Click to download: Complete Olet Pipe Fitting Weight and Volume Data Sheet

How to Obtain Weight and Volume Data for customized Olet  Fittings?

If customized Olet specifications (e.g., special materials, custom dimensions) are used in your project, precise data can be obtained through the following three methods:

Contact ZIZI Manufacturer for Calculation: Provide main pipe/branch pipe specifications, wall thickness, and material requirements.

Use specialized calculation tools: We recommend the “Pipe Fitting Weight Calculator” (some tools support Olet-specific calculations). Input parameters to generate theoretical values.

Reference industry standard conversions: Estimate based on Olet dimensional tolerances in ASME B16.11 standards combined with foundational formulas. Error margins can be controlled within 5%.

Mastering Olet fitting weight and volume data is crucial for achieving “precise selection, cost control, and safe construction” in piping projects. Free Download: Complete Olet Pipe Fitting Weight & Volume Data Table

To facilitate quick reference and calculation for engineers, we’ve compiled a comprehensive table of weights and volumes for commonly used Olet pipe fittings. It includes data for STD, XS, XXS SCH160 across all wall thicknesses, ready for use in procurement lists, cost calculations, and construction plan development.

Click to Download: Complete Olet Pipe Fitting Weight & Volume Data Table

Importance of Olet Weight and Volume Tables

Transportation and Packaging

Accurate weight facilitates freight cost calculations.

Volume data aids in optimizing storage and loading space.

Cost Accounting

Steel prices are often quoted by weight.

Precise data assists in establishing reasonable procurement budgets.

Engineering Design and Installation

Pipe fitting weight impacts stress distribution and support requirements in piping systems.

Engineers must reference weight tables to ensure safety.

Quality and Standards Control

Ensure Olet compliance with ASME and MSS-SP standards.

Prevent installation or acceptance issues caused by weight discrepancies.