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Duplex Steel 4A 5A 6A Plug Valve


  • Port size:1/2"~24" (DN15~DN600)
  • Pressure:PN10-PN64 CL150-CL600
  • Medium:Corrosive medium
  • Temperature :-29~180℃
  • Body material:Duplex Steel 4A 5A 6A,etc.
  • Description:Duplex Steel,Super Duplex Steel 4A 5A 6A Plug Valve manufacturer, factory and supplier.
Duplex Steel,Super Duplex Steel 4A 5A 6A Plug Valve manufacturer, factory and supplier. Duplex Steel 4A 5A 6A Plug Valve has good acid corrosion resistance, manual switch, flange connected plug valve, PTFE soft seal, Duplex Steel 4A 5A 6A Plug Valve is mainly used for chlor-alkali industry, soda ash industry, pharmaceutical industry, fertilizer industry, fine industry, textile fiber synthesis and dyeing industry, basic organic acid and inorganic salt production, nitric acid industry, etc.

Duplex Steel 4A 5A 6A Plug Valve Product features:

1. Duplex Steel 4A 5A 6A Plug Valve structure is reasonable, reliable sealing, excellent performance, beautiful shape.
Duplex Steel 4A 5A 6A Plug Valve sealing is achieved by the sealing surface around the card sleeve. Unique 360° metal lip protection fixed sleeve.
Duplex Steel 4A 5A 6A Plug Valve has no cavity to accumulate the medium.
4. Metal lip in cock rotation to provide self-cleaning function, suitable for thick and easy scaling conditions.
5. Two-way flow, more convenient installation.
6. Parts material and flange size can be reasonably selected according to the actual working conditions or user requirements, to meet various engineering needs.

Duplex Steel 4A 5A 6A Plug Valve Specification:

Design standard: API, ASME, EN, ISO, JIS, DIN, BS, GB

Pressure rating: CLASS 150LB~600LB, 1.0MPa~11.0MPa, JIS 10K~40K

Size range: NPS1/2” ~24”, DN15~DN600
Structure:Lubricated or Non-lubricated

Bore: Full bore, Reduced bore

Standard connections: flange, threaded, butt weld, socket weld

Sleeve Material: PTFE, RPTFE, TFM, GF2P, PPL, PFA


Duplex Steel 4A 5A 6A Plug Valve Material characteristics:

For precipitation hardening stainless steel, they are in ferrite matrix containing 35% ~ 40% austenite, its yield strength is about 2 times of 19Cr-9Ni austenitic stainless steel, and has high hardness and good plasticity and impact toughness. Especially suitable for both abrasion and erosion corrosion working conditions, so widely used in oxidation and reduction of strong acid conditions, in the chlorine environment has a special stress corrosion cracking resistance performance.

Good activation and passivation conversion ability, excellent corrosion resistance, in non-oxidizing acids such as sulfuric acid, acetic acid, formic acid, phosphoric acid has good corrosion resistance, in neutral chloride ion medium has good pitting resistance, at the same time has good crevice corrosion resistance and stress corrosion resistance.