Maintenance
06-236115-001
5-11
October 2014
5-4.4
Inspection Procedures–2 Year
1. Remove any nozzles from piping to allow any foreign matter to blow clear.
2. Remove all pressure operated control heads from the HFC-227ea cylinders.
3. Open the distributing valves and keep them open long enough to ensure the pipes are
clean.
4. Blow out all distribution piping with air or nitrogen to ensure it is not obstructed.
5. Reconnect all control heads.
5-5
INSPECTION AND RETEST PROCEDURES FOR HFC-227ea CYLINDERS
A cylinder that is damaged or corroded should be emptied, retested and restamped in
accordance with
DOT Regulatory Compliance Guide, 49 CFR 180.209
(see Paragraph 5-5.3).
All Kidde ECS cylinders are designed, fabricated, and factory tested at 1000 PSIG (68.9 bar
gauge) in compliance with DOT CFR 49 4BA-500 or 4BW-500 as stamped on each cylinder.
Two sets of regulations will apply to periodic inspection and test procedures depending on the
following:
5-5.1
Cylinders Continuously in Service Without Discharge
These cylinders are governed by NFPA 2001 regulations. Cylinders in continuous service
without discharge require a complete external visual inspection every five years in accordance
with Compressed Gas Association Pamphlet C-6, Section 3, except that the cylinders need not
be emptied or stamped while under pressure. Record date of inspection on record tag attached
to each cylinder. Where the visual inspection shows damage or corrosion, the cylinder shall be
emptied, retested and restamped in accordance with the
DOT Regulatory Compliance Guide, 49
CFR 180.209
.
5-5.2
Discharged Cylinders or Charged Cylinders That are Transported
These cylinders may come under NFPA 2001 requirements, or, in the case of shipment of
charged cylinders, DOT, federal or state regulations may apply. In either case, the cylinders
shall not be charged and shipped if more than five years have elapsed from the date of the last
test date stamped on the cylinder. The cylinders shall be retested and restamped in accordance
with the
DOT Regulatory Compliance Guide, 49 CFR 180.209
.
WARNING
Do not use water or oxygen to blow out pipe lines. Using oxygen is especially
dangerous since even a minute quantity of oil may cause an explosion.
WARNING
Do not disconnect the flexible hose from the pressure operated control head. If
HFC-227ea accidentally discharges, the unattached flexible hose will whip
around and may damage equipment and cause severe bodily injury.
CAUTION
These guidelines do not apply to cylinders containing a commodity other than
HFC-227ea.
Содержание ECS
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