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Retainer rings, Valve retainer rings :
Stainless Steel - Duplex
CD3MN ( EN 1.4470 )
inquiry
Material :
A890/A995 4A CD3MN
LAWAI INDUSTRIAL CORPORATION is the centrifugal casting manufacturer producing CD3MN / EN 1.4470 / Duplex 2205 retainer rings / valve retainer rings for local and overseas customers in Taiwan.  We have a long history to cooperate with the outsourcing machining shops to complete every CD3MN / EN 1.4470 / Duplex 2205 retainer rings / valve retainer rings project.  Our main customers are in the marine industry in Europe satisfied with our premium retainer rings / valve retainer rings with Taiwan quality. 
 
The diameters of large high performance retainer rings are usually between 200~400 mm and the dimensions are always special.   We’ll provide CD3MN / EN 1.4470 / Duplex 2205 retainer rings / valve retainer rings with the exact dimensions for you to do the finish machining.  You will save material and machining costs. 

Please contact us via email or left contact form. 

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LAWAI INDUSTRIAL CORPORATION is specialized in producing CD3MN / duplex 2205 high performance butterfly valve seat retainer rings by centrifugal casting technique in Taiwan
LAWAI- Centrifugal Casting V.S. Forging V.S. Static Casting
Centrifugal Casting Forging Static Casting
Provide Customized Alloy? Yes, various materials can be cast. No, there is the limitation of material selection. No, there is the limitation of material selection.
Great quality?
  • Yes, the products are clean and pure because the solidification under the high speed rotation.
  • The surface is without the porosity.
  • The strength is high.
  • The grain structure is directed.
  • Yes, the products are clean and pure because the solidification under the high speed rotation.
  • The surface is without the porosity.
  • The strength is high.
  • No, the impurities and blowholes would remain due to the solidification under the force of earth gravity.
  • The grain structure is undirected.
Possible for small order quantity?
Competitive price?		 Yes, small quantity would not change the price. No, the cost of mold is high and the price would be competitive only when ordering several ton order weights. No, it is not suitable for small quantity production.
Cost advantage? Yes, it's more cost-effective. No. It's cost-effective for "large" order quantity.
LAWAI - Centrifugal Casting

LAWAI is the family-run centrifugal casting manufacturer in Taiwan.
We've produced symmetric components since 1989.

LAWAI - Centrifugal Casting

Pioneer of centrifugal casting in Taiwan

LAWAI uses the recycled stainless steel scrap to manufacture centrifugal castings.

  • The quality of centrifugal castings is the same as those made of raw materials
  • Turning the scrap (some people regard it as trash) into the stainless steel ingots
  • Minimizing the carbon footprints, making our world sustainable
  • Practicing circular economy thoroughly
  • LAWAI - Centrifugal Casting
  • LAWAI - Centrifugal Casting

Manufacturing your products in the way that is best for you

LAWAI manufactures the custom products by centrifugal casting that are superior and functional.

  • Flexible order quantity to meet your small projects
  • Standard grade to high grade specially steel to meet your applications
  • Rough to finish machining to meet your special needs
  • Safe packing method to protect customers’ rights
  • LAWAI - Centrifugal Casting
  • LAWAI - Centrifugal Casting
  • LAWAI - Centrifugal Casting
LAWAI is the No. 1 A890/A995 4A CD3MN Retainer rings, Valve retainer rings manufacturer in Taiwan. We provide customized A890/A995 4A CD3MN Retainer rings, Valve retainer rings for our clients all over the world. The A890/A995 4A CD3MN Retainer rings, Valve retainer rings in LAWAI – reliable and beyond your expectation!