Product Features

• Forged one-piece construction with precision-machined sealing grooves improves gasket contact and sealing performance.
• 304/316 stainless steel resists acids, alkalis, seawater, and salt-spray corrosion.
• Accurate bolt-hole positioning makes assembly, disassembly, and pipeline maintenance convenient.
• Designed for stainless steel pipeline welding and pressure-resistant detachable connections.

Common Specifications

• Material: 304, 316, and 316L stainless steel; ASTM F304/F304L/F316/F316L/F321; EN 1.4301/1.4307/1.4401/1.4404/1.4571; JIS SUS304/SUS316 series; Russian stainless grades
• Standards: GB/T 9113, GB/T 20592; ASME B16.5/B16.47/ASTM A182; EN 1092-1; DIN 2630-2638; JIS B2220/G4303; GOST 12816/12820/33259
• Pressure Rating: PN6/PN10/PN16; ASME Class 150/300/600/900
• Nominal Diameter: DN15-DN1200; plate slip-on and hubbed flange options available
• Surface: Precision lathe machining with pickling and passivation

Applications

• Chemical water-treatment, acid/alkali, and seawater pipeline detachable connections
• Food and pharmaceutical clean-fluid piping where cleaning and maintenance are needed
• Environmental exhaust and dust-removal corrosion-resistant segmented ducting
• Coastal engineering, desalination, and seawater drainage pipeline systems