Slip On Flange Weight Chart: An Essential Guide for Industrial Sourcing and Logistics
Before you go further, be sure to view my in-depth Weight Chart post online—it’s stocked with precise stats and helpful resources.
https://pipex.ai/blogs/slip-on-flange-weight-chart-in-kg-mm-pdf-a-simple-guide-for-beginners.html
In today’s connected and fast-paced industrial environment, procurement teams, project managers, and engineers all need reliable tools and trusted partners to source critical components effectively. Pipex.ai is a Global B2B Marketplace that bridges this gap by connecting buyers with verified suppliers, offering detailed product catalogs, and providing essential technical data to support confident purchasing decisions. One such vital resource is the Slip On Flange Weight Chart, which ensures accuracy in freight planning, installation logistics, and overall project budgeting.
What Is a Slip On Flange?
A Slip On Flange is a type of pipe flange designed to slide over the end of a pipe and then be welded in place both on the inside and outside. This dual-welded connection provides strength and leak-tight performance while being easier to align than other types of flanges. Slip on flanges are widely used in low to moderate pressure applications such as water supply systems, oil and gas distribution, chemical processing, HVAC, and general industrial piping networks.
Manufactured in materials like carbon steel, stainless steel, and various alloys, slip on flanges are valued for their cost-effectiveness and flexibility. However, their weights can vary significantly depending on their size, pressure class, and material, making weight charts indispensable tools for planning.
Why Is the Slip On Flange Weight Chart Important?
Accurate weight data is essential throughout the entire supply chain:
Freight and Shipping Costs: Shipping heavy components can be expensive. Knowing the precise weight of flanges helps optimize container loads, avoid overweight charges, and plan transportation budgets accurately.
Installation Planning: Onsite rigging, cranes, and manpower requirements all depend on understanding the weights of components being installed.
Storage and Inventory Management: Warehouses must plan shelving, stacking, and racking systems that can handle expected weights safely.
Cost Estimation: Knowing the weight is key to estimating material costs, especially when buying metal components priced by weight.
Procurement Accuracy: Reduces errors and unexpected costs by ensuring that specifications are clear before purchase.
For large projects involving hundreds or thousands of flanges, even small miscalculations in weight can quickly lead to significant cost overruns and logistical challenges.
Detailed Explanation of Slip On Flange Weight Chart
Slip On Flange Charts in kg and mm typically organize data by:
Nominal Pipe Size (NPS): The standardized diameter of the connected pipe.
Pressure Class: The rating (e.g., Class 150, 300, 600) that affects flange thickness and therefore its weight.
Material Type: Carbon steel, stainless steel, or alloy grades each have different densities, affecting overall weight.
While exact weights vary slightly by manufacturer and design standards (ASME, ANSI, DIN, etc.), below is a general description of typical weight ranges for carbon steel slip on flanges in Class 150, one of the most commonly used pressure ratings.
Typical Weight Ranges for Class 150 Carbon Steel Slip On Flanges (Approximate)
1" NPS: ~1.5–2 kg
2" NPS: ~3.5–4.5 kg
3" NPS: ~6.5–8 kg
4" NPS: ~10–12 kg
6" NPS: ~20–24 kg
8" NPS: ~35–42 kg
10" NPS: ~50–60 kg
12" NPS: ~70–85 kg
For higher-pressure classes, such as Class 300 or 600, flange weights increase significantly due to thicker designs needed to withstand greater pressure. For example, a 4" Class 300 Slip On Flange may weigh around 18–22 kg compared to 10–12 kg for Class 150.
Stainless steel and alloy versions will also weigh slightly more due to higher material densities, which buyers should account for during planning.
How the Weight Chart Supports Buyers and Engineers
Weight charts are more than just numbers; they’re planning tools that help stakeholders make smarter, safer, and more cost-effective decisions. Logistics planners can estimate shipping costs more accurately. Engineers can specify appropriate lifting and rigging equipment. Procurement teams can forecast total order costs with confidence.
These weight charts also support better supplier communication, ensuring that everyone in the supply chain is working from the same, clear data set. This reduces errors, rework, and costly surprises down the line.
Conclusion
In industrial sourcing, details matter. A reliable Slip On Flange Weight Chart in PDF empowers buyers and engineers to make informed choices about freight, storage, installation, and cost management. Combined with a robust, trusted B2B Portal, this data-driven approach transforms procurement from a risky, manual process into a professional, efficient, and cost-effective operation.

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