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Large Diameter Carbon Steel Plate Slip On Flange
Carbon steel slip-on flange for large-diameter low-pressure pipelines, offering flat machined sealing surfaces, accurate bolt holes, and easy installation or maintenance.
Material:
20# carbon steel or Q235B
Pressure Rating:
PN6, PN10, and PN16 for common low-pressure service
Nominal Diameter:
DN300-DN2000; GB and ASME dimensions can be customized
Surface:
Precision-machined bare surface; black anti-rust paint available on request
Product Features
- Machined plate construction provides a flat flange face and accurate gasket contact for reliable sealing.
- Carbon steel strength suits large-diameter pipe connections and removable pipeline joints.
- Symmetrical bolt-hole positioning supports fast alignment, assembly, and future maintenance.
- Slip-on welding design is simple to install on straight-seam and seamless steel pipes.
Common Specifications
- Material: 20# carbon steel or Q235B
- Pressure Rating: PN6, PN10, and PN16 for common low-pressure service
- Nominal Diameter: DN300-DN2000; GB and ASME dimensions can be customized
- Surface: Precision-machined bare surface; black anti-rust paint available on request
Applications
- Municipal water-supply, drainage, and sewage main pipelines
- Large ventilation and dust-removal ducting connections
- Plant cooling-water and low-pressure hot-water circulation lines
- Storage-tank inlet/outlet and removable pipe connection points






