The flat welding flange is a fundamental piping connector welded directly to the pipe end. Its simple plate design with bolt holes provides reliable sealing for standard piping systems. This flat welding flange is among the most commonly used types in general industrial applications due to its straightforward construction and ease of installation.
Product Parameters
| Type: | Plate Flat Flange, Slip-On Welding Flange |
| Pressure Rating: | Commonly for low to medium pressure classes |
| Sealing Face: | Flat Face, Raised Face |
| Common Standards: | HG20593, GB/T9119, JB/T81, ASME B16.5 |
Advantages
This flat welding flange delivers significant economic and practical benefits in standardized applications. Its simplified plate construction reduces material usage by 15-25% compared to forged neck designs. Installation requires only fillet welding, cutting labor time by 20-40% versus butt-weld alternatives. These efficiencies typically yield total cost savings of 30-50% for low-to-medium pressure non-critical systems, while maintaining full pressure rating compliance and reliable performance.
Applications
Ideal for general industrial and utility piping systems involving water, air, low-pressure steam, and other non-hazardous media. Commonly used in construction, HVAC, water treatment, and low-pressure process lines where the service conditions are not severe, cyclic, or highly hazardous.
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