New treatment of connectors DIN2353 RESISTANCE TO 3000 HOURS TO SALT SPRAY TEST WITH THE NEW TREATMENT

Leku-Ona offers connectors DIN2353 manufactured and treated with the new coating processes that offer high resistance to salt spray. Since 2010 we have developed a research process that was based on the use of treatment with 320 A3C resistance. This process evolved into A3B (CrVI-free) and then to ZnNi (720 hours). Currently, it has begun to implement a new treatment called ZnNi NEW which is giving us high performance corrosion arriving at 3000 hours

 

APLICATIONS.

  • Whenever a high corrosion resistance is required
  • Temperature changes do stress additionaly

 

ADVANTAGES

  • High corrosion resistance of the coating and base material
  • Capable for flaring and bending
  • Log term protection, even under thermal stress
  • High availability
  • Low maintaining costs within the application

 

 

TECHNICAL DETAILS

ZnNi_01_ENG

COMPARISON OF LAYERS

This chart shows a comparison of the type of treatment in the various processes A3C, A3B and Zn / Ni

ZnNi_02

 

SALT SPRAY TEST

Description:

  • The following pictures indicate the corrosion resistance of Volz Zinc-Nickel
  • plated parts with sealer
  • Within the galvanisation process, these parts got handled in a drum

Indication of corrosion:

  • Parts with assembled nuts show red rust after 1.872 hours
  • This is a forced result as the salt water couldn‘t disappear at this point
  • Other parts, where the salt water was able to disappear (as required by the ISO
  • 9227:2006), show red rust within the band of 3.072 / 3.216 / 3744 hours

 

 

168 HOURS

ZnNi_03

 

1032 HOURS

ZnNi_04

 

2064 HOURS

ZnNi_05

 

3192 HOURS

ZnNi_06

 

5280 HOURS

ZnNi_07

Category: Hydraulic

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