Chapter 2. Safety
PELLERIN MILNOR CORPORATION
any other overriding standard.
WARNING 18 : Confined Space Hazards
—Confinement in the cylinder can kill or injure
you. Hazards include but are not limited to panic, burns, poisoning, suffocation, heat prostration,
biological contamination, electrocution, and crushing.
• Do not enter the cylinder until it has been thoroughly purged, flushed, drained, cooled,
and immobilized.
— End of BIUUUS27 —
BIWUUI06 (Published) Book specs- Dates: 20120514 / 20120514 / 20120516 Lang: ENG01 Applic: HD6
2.2. Prevent Damage From Chemical Supplies and Chemical
Systems
This document uses Simplified Technical English.
Learn more at http://www.asd-ste100.org.
All Milnor
®
washer-extractors and CBW
®
tunnel washers use stainless steel with the AISI 304
specification. This material gives good performance when chemical supplies are correctly applied.
If chemical supplies are incorrectly applied, this material can be damaged. The damage can be
very bad and it can occur quickly.
Chemical supply companies usually:
• supply chemical pump systems that put the supplies in the machine,
• connect the chemical pump system to the machine,
• write wash formulas that control the chemical concentrations.
The company that does these procedures must make sure that these procedures do not cause
damage.
Pellerin Milnor Corporation accepts no responsibility for chemical damage to the
machines it makes or to the goods in a machine.
2.2.1.
How Chemical Supplies Can Cause Damage
2.2.1.1.
Dangerous Chemical Supplies and Wash Formulas
—Some examples that can
cause damage are:
• a very high concentration of chlorine bleach,
• a mixture of acid sour and hypo chlorite,
• chemical supplies (examples: chlorine bleach, hydrofluosilicic acid) that stay on the stainless
steel because they are not quickly flushed with water.
The book “Textile Laundering Technology” by Charles L. Riggs gives data about correct
chemical supplies and formulas.
2.2.1.2.
Incorrect Configuration or Connection of Equipment
—Many chemical systems:
• do not prevent a vacuum in the chemical tube (for example, with a vacuum breaker) when the
pump is off,
• do not prevent flow (for example, with a valve) where the chemical tube goes in the machine.
Damage will occur if a chemical supply can go in the machine when the chemical system is off.
Some configurations of components can let the chemical supplies go in the machine by a siphon
(
Figure 2
). Some can let chemical supplies go in the machine by gravity (
Figure 3
).
17
Summary of Contents for 60 Series
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