
iii
Safety Summary
SPECIFIC
WARNINGS
Always use the sensor guide when using the high pressure hot tap
assembly. The sensor guide is a tightly toleranced 1½ in.NPT nipple
that prevents adverse play between the insertion rod and the sensor
guide. Adverse play could damage the insertion rod and injure per-
sonnel. (p. PR3-2)
Never stand directly behind the insertion rod upon pressurization. If
the insertion rod is not fully retracted upon pressurization, it could
rapidly reach the blow out protection of the sensor assembly and
severely injure personnel standing too close behind the insertion
rod. (p. PR3-2)
Never exceed the sensor or sanitary clamp temperature and pres-
sure limits. Exceeding these limits can damage the equipment in
such a way as to pose the risk of injury to personnel. (p. PR4-1)
Firmly hold the insertion rod when loosening the compression fitting.
When the compression rod is loosened, the pressure against the sen-
sor assembly will cause the insertion rod to retract from the ball valve
assembly with great velocity. This could injure personnel standing in
the path of the retracting insertion rod. Allow only properly trained
personnel to handle these types of sensor assemblies. (p. PR5-1)
Open one of the flushing ports after the sensor is retracted and the
ball valve is closed. If a continuous stream of liquid exists, damage
to the ball valve or components can occur or may have already
occurred. This condition can cause a hazard to personnel upon
removal of the insertion rod. (p. PR5-1)
Consider the material compatibility between cleaning fluids and pro-
cess liquids. Incompatible fluids can react with each other causing
injury to personnel and equipment damage. (p. PR6-1)
Acids and bases can cause severe burns. Use hand and eye pro-
tection when handling. (p. PR6-1)
Use solvents only in well ventilated areas. Avoid prolonged or
repeated breathing of vapors or contact with skin. Solvents can
cause nausea, dizziness and skin irritation. In some cases, over-
exposure to solvents has caused nerve and brain damage. Sol-
vents are flammable - do not use near extreme heat or open
flame. (p. PR6-1)
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