Weidouli Valves Co.,Ltd.

Super Austenitic Check Valves

Super austenitic steels are amagnetic and present good weldability and excellent formability.

Highly alloyed iron-nickel-chromium stainless steels containing molybdenum have been developed to respond to severe corrosion specifications.

Super austenitic stainless steels exhibit great resistance to chloride pitting and crevice corrosion because of high molybdenum content (>6%) and nitrogen additions, and the higher nickel content ensures better resistance to stress-corrosion cracking versus the 300 series. These steels approach the performance of highly corrosion-resistant nickel-based alloys at a significantly lower cost.

Super Austenitic Check Valves
Super Austenitic Check Valves

Weidouli Super Austenitic Check Valve Type

Swing check valve

API594/BS1868 Design For Cast Steel Swing Check Valve.

  • Bolted Cover Type.

  • End Connections: Flange RF, RTJ, Butt Weld are all standard unit

Dual plate check valve

  • Stopper pins avoid the over travel of a disc

  • Resilient or metal seats: resilient seats in EPDM, NBR or FKM ensure a bubble-tight seal that meets or exceeds API 598 test requirements. Lapped metal seats or exceed API598 test requirements

  • Eyebolt hook design upon size ≥4",easy for on-site installation

  • Cost Efficient, the cost would be less than swing type check valves, with the same functional operation.

  • Diversity of connection types of international standards, depending on customers.

  • API594 Design or Manufacturer Standard

Other types: Nozzle check valve, Single plate check valve, Lift type check valve

Applicable Medium of Super Austenitic Check Valves

Seawater, Sulfuric acid & Phosphoric acid

Applicable application of Super Austenitic Check Valve

Petrochemical, environmental cleanup and marine

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No.20, Xingyu Road, Airport Industrial Zone, Wenzhou city, 325024 P.R.
No.20, Xingyu Road, Airport Industrial Zone, Wenzhou city, 325024 P.R.