Pipe Flanges & Gaskets
Pipe flanges and sealing gaskets specified by nominal size DN, pressure rating PN, connection type, facing and material. Enter by product form first, then filter SKUs by standard, diameter, length, grade, material and finish.
Product Types

Plate Slip-On Flanges
Shop SpecsPlate slip-on steel pipe flanges, PN series (GB/T 9119 / GB/T 9124.1). Select by DN × PN × material, paired with flat or spiral-wound gaskets. Carbon steel, 304 and 316L made to order, DN15–DN300; WRAS / NSF 61 certification available on request (subject to certifying body approval) for potable-water and food-contact service.
60 SKUs

Weld Neck Flanges
Shop SpecsWeld neck steel pipe flanges, PN series (GB/T 9115 / EN 1092-1 Type 11). Tapered-hub butt-weld construction for cycling duty and critical media. Carbon steel, 304 and 316L made to order, DN15–DN300, paired with spiral wound gaskets; WRAS / NSF 61 certification available on request (subject to certifying body approval) for potable-water and food-contact service.
60 SKUs

Non-Metallic Flat Gaskets
Shop SpecsNon-metallic flat gaskets for pipe flanges (GB/T 9126, IBC type) in non-asbestos fibre sheet, NBR and PTFE. Standard 2.0 mm thickness, matched to flange DN × PN.
60 SKUs

Spiral Wound Gaskets
Shop SpecsSpiral wound gaskets for pipe flanges (GB/T 4622, EN 1514-2 dimensions). Metal-strip and filler winding outperforms sheet gaskets under temperature and pressure. 304 + flexible graphite made to order; 316L / PTFE combinations quoted to order.
80 SKUs