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Plunger Coating Options<br />
Corrosion and Abrasive Fluid Resistance<br />
<strong>Wastecorp</strong> manufactures plungers with a superior cast iron classification<br />
of ASTM A48-64; Class 40. In addition to standard cast iron,<br />
consider the following coating options for your application:<br />
Corrosion Resistance<br />
• Stainless steel<br />
• Nickel alloy<br />
• Hard chrome<br />
Cast Iron<br />
• Cast iron is used for general<br />
municipal sewage handling<br />
applications and select industrial<br />
slurry applications<br />
Abrasion Resistance<br />
• Stainless steel<br />
• Nickel alloy<br />
• Hard chrome<br />
cast iron for higher volume<br />
wastewater treatment<br />
applications.<br />
Where fluid handling temperatures<br />
are higher.<br />
Stainless Steel<br />
• Ideal for USDA approved food<br />
processing applications<br />
• Safeguards plunger from<br />
chemicals, oils, alkalis, food<br />
acids, water immersion, abrasion<br />
and more<br />
Aluminum Oxide<br />
• Superior hardness of plunger<br />
• Used for pumping abrasive<br />
materials found in municipal and<br />
industrial sludge<br />
Hard Chrome<br />
• Reduces friction<br />
• Adds wear resistance<br />
• Extends plunger life by up to<br />
50%<br />
Nickel Chromium Oxide<br />
• Harsh pumping conditions with<br />
superior abrasion resistance<br />
• Use for higher than normal<br />
content of sand or salt.<br />
Tungsten Carbide<br />
• Offers up to three times<br />
the strength and durability of
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