Corrosion- and Ex.-Protection Brochure - Wandfluh - #4

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Description
Hydrauhcs+Electronics corrosion- and explosion protection
Description corrosion protection
Applications
Définition K4
Applications in corrosive environments often demand additional mesures to improve surfaces of valve bodies and base plates. Wandfluh over the years has developed several types and degrees of surface protection for applications in:
• Shipbuilding
• Offshore industries
• Petrochemical industry
• Mining and tunnel building
Increased surface protection
• zinc coating of the external parts
• fixing screws made of stainless steel
Solenoid zinc coated
Body zinc coated
Name plate aluminium
Fixing screws stainless steel
Cover zinc coated
Delivery program
• K1 and K4:
All valves and base plates of the standard Wandfluh pro­gram are available with K1 and K4 protection. The outside dimensions and the performance characteristics corre­spond to those of the standard program.
»K9
The majority of the valves and base plates from the Wandfluh program are available with K9 protection. The performance characteristics as well as the dimensions may slightly differ from the standard program.
Fixing screws stainless steel Manual override stainless steel
Knob aluminium
Cartridge body zinc coated , Sandwich body zinc coated
Plug VSTI
zinc coated
Name plate aluminium
Option: The version -Z319 is to be utilised in applications, where no aluminium must be employed!
Definition K9
Type code = standard code
K1 K4 K9
Excellent surface protection
• all external parts made of stainless steel AISI 316L
• fixing screws made of stainless steel
• no aluminium
Definition K1
Solenoid K7 *
Body stainless steel
Increased surface protection
• zinc or paint coating of the external parts
• fixing screws zinc coated
Solenoid zinc coated
Body two-component lacquer
Name plate aluminium
Fixing screws zinc coated
Cover zinc coated
Fixing screws stainless steel
Cover stainless steel
Fixing screws stainless steel Manual override stainless steel
Sandwich body stainless steel
Knob stainless steel
Cartridge body stainless steel
Fixing screws zinc coated Manual override stainless steel
Plug stainless steel Bonded seal stainless steel
Knob aluminium
Sandwich body zinc coated
Plug VSTI zinc coated
* Protection class K7:
zinc coated, olive passivated plus primer plus black epoxy paint
REMARK!
• In all versions, the internal components are manufactured out of standard materials and are intended for mineral oil operating media.
• Special primer coatings are only additionally available for assembled control units.
Cartridge body zinc coated
Name plate aluminium
Option: The version -Z319 is to be utilised in applications, where no aluminium must be employed!
Wandfluh AG Postfach
Illustrations not obligatory Data subject to change
Page 2 Edition 06 39

pageCatalog pdf di En 2012-06-22-01