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PAINTS/COATINGS APPLICATION DATA 10.02-2 Page 1 April, 2003 Supersedes May, 2001 PAINTS/COATINGS
APPLICATION DATA 10.02-2
Page 1
April, 2003
Supersedes May, 2001
DeZURIK Blue (Standard)
4D566 Blue Semi-Gloss Water Reducible Enamel. One coat 1.5 2.0 mils thick.
Suitable base coat for most over coats. Surface preparation to SSPC-SP10 or
phosphate hot water wash.
Asphaltum varnish
Federal Spec. TT-C-494A solvent based bituminous coating with excellent
moisture resistance and suitable for water immersion. Coating thickness 2 mils
per coat. Surface preparation to SSPC-SP10 or phosphate hot water wash.
High temperature
Standard on BHP metal seated valves. A high-heat silicone aluminum for
protection against weather, moisture, heat and industrial fumes. Coating
thickness 1-2 mils. Surface preparation to SSPC-SP10.
Tnemec Series 141 Pota-Pox 80
Two-part epoxy, conforms to NSF 61, AWWA D102 Inside System No. 1 & 2,
AWWA C210. Self-priming system with each coat consisting of 4-8 mils dry film
thickness. Surface preparation to SSPC-SP10 or phosphate hot water wash.
SURFACE PREPARATION
Specifications of the Steel Structures Painting Council
Solvent Cleaning (SSPC-SP1): Removal of oil, grease, soil and other contaminants by use of solvents, emulsions,
cleaning compound, steam cleaning or similar materials and methods which involve a solvent or cleaning action.
Hand Tool Cleaning (SSPC-SP2): Removal of loose rust, loose mill scale and other detrimental foreign matter to
degree specified by hand chipping, scraping, sanding and wire brushing.
Power Tool Cleaning (SSPC-SP3): Removal of loose rust, loose mill scale and other detrimental foreign matter to
degree specified by wirebrushing, power impact tools or power sanders.
* White Metal Blast Cleaning (SSPC-SP5): Blast cleaning to a gray white uniform metallic color until each element of
surface area is free of all visible residues. Suitable surface preparation for Holiday testing.
Commercial Blast Cleaning (SSPC-SP6): Blast cleaning until at least two-thirds of each element of surface area is
free of all visible residues.
Brush Blast Cleaning (SSPC-SP7): Blast cleaning to remove loose rust, loose mill scale and other detrimental foreign
matter to degree specified.
Near White Blast Cleaning (SSPC-SP10): Blast cleaning to nearly white metal cleanliness until at least 95 percent of
each element of surface is free of all visible residues.
* Phosphate Hot Water Wash: Hot water wash in a power washer using the appropriate concentration of chemical,
hot water rinse and hot air dry prior to coating. Suitable surface preparation for Holiday testing.
* NOTE:
UNLESS OTHERWISE SPECIFIED, DeZURIK USES SURFACE PREPARATION AS
REQUIRED BY THE PAINT MANUFACTURER.
FUNCTIONAL SPECIFICATIONS
NSF 61 Requirement
Since April of 1993, many states began phasing in NSF 61 standards for valves
in contact with potable water. Tnemec Series 141 Pota-Pox 80 coating presently
furnished as standard on DeZURIK AWWA butterfly valves meet the requirements
of Standard NSF 61. PAINTS / COATINGS
APPLICATION DATA 10.02-2
Page 2
April, 2003
VOC Limits
EPA regulations requires a limit on the volatile organic compounds (VOC) to 3.5
pounds per gallon. Some States may require lower levels. i.e. California requires
2.8 pounds per gallon.
Paint Compatibility
Some over coats are not compatible with the standard DeZURIK base coats.
When in doubt, contact factory.
Finish Coat Requirements
Some projects require the valves to be painted after installation. These valves
do not need finish coats from the factory. Be sure that the product is not over
specified at order entry.
Color Requirements
Projects require special colors. Be sure to include color requirement on the order.
Maximum Coating Thickness
Coating thickness varies with the various paint manufacturers. Coating thickness
may be increased by the application of a second or third coat. Typically a 15 mil
coating is considered a practical maximum. Some coatings actually lose
performance parameters as the thickness is increased beyond the manufacturers
recommendation.
Holiday Testing
Holiday testing is a process using a dielectric device to detect voids in an epoxy
coating. NOTE: THIS IS PERFORMED AT AN ADDITIONAL CHARGE TO THE
COATING PRICE.
OTHER PAINTING SYSTEMS
Fusion Coatings
Fusion bonded Epoxy is a one-part heat curable semi-rigid thermosetting
powdered coating. It is available on a special basis.
Two Part Epoxies
A two part system consists of a base material and a catalyzing or hardening
agent to cure the coating. Coating cure may take place in air or accelerated by
oven heating.
Three Part Zinc Primer
An inorganic coating consisting of three elements: base, filler powder and
catalyst. This system is very difficult to work with, requires long cure times, and
is very sensitive to surface prep and recoating.
DeZURIK APPLICATION
DeZURIK Blue
Stainless steel, bronze, aluminum or nickel alloy valves are not painted. Stainless
steel or plated components will not be painted. Purchased accessories will not be
painted. Purchased pneumatic, hydraulic and electric actuators will only have the
manufacturers coating. All DeZURIK actuators will be painted. Tubing and
fittings will not be painted. Pinned extension pipes will not be painted that have
galvanized, black oxide or varnish coatings.