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 From a small,
three-stage parts washer to a large multi-stage pretreatment system, Walgren will custom design a cleaning and
preparation system to meet your process requirements. We are experts at
manufacturing parts washers / washer and pretreatment systems for a wide variety of chemistries including:
- iron phosphate pretreatment
- magnesium
pretreatment
- zinc phosphate
pretreatment
- chrome conversion pretreatment
- chrome phosphate pretreatment
- preparation
of non-chrome systems
- pretreatment
of aluminum
- chromate
conversion coating
- chromium
conversion coatings
- chrome-free
conversion coating
- We provide both immersion and spray-type washer systems.
- Depending on chemical compatibility,
parts washers can be constructed from mild steel, 304 stainless steel, 316 stainless steel or polypropylene.
 Pretreatment process tanks can be heated using heat exchangers, immersion coils or burner tubes.- To minimize chemical cost and ensure the highest quality product, Walgren offers remote chemical pumping systems and automatic chemical analysis for its
washer pretreatment systems.
- Waste streams can be managed with a Walgren-engineered waste treatment system.
- We can integrate deionized water (DI) or reverse osmosis (RO) water conditioning equipment into your pretreatment
system parts washers.
- Walgren control panels comply with all local and National Electrical Codes. UL approved control panels are also available. Customer can choose between relay logic or PLC controls systems.
- Washer
pretreatment systems can ship to your plant in pre-piped modules for quick installation.
- With three chemists on staff, Walgren provides superb technical assistance for
washer pretreatment systems, as well as plating and anodizing lines, and powder coating systems.
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WALGREN
COMPANY 
