Concoa 637 Series Manual - Page 5

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Concoa 637 Series Manual
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Always install a blind gland and nut on any manifold inlet fitting if no cylinder is connected to the fitting before
opening any cylinder valve which is already connected to the manifold.
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Always close all cylinder valves before disconnecting cylinders from a manifold.
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Always remove all empty cylinders from a manifold before connecting full cylinders.
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Always test cylinders to be sure they are full before connecting to a manifold.
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NOTE: Use of PTFE lined pigtails for oxygen installations is not recommended unless they are equipped with a
Distance Volume Piece (DVP). Components in the manifold system can create a dead end passage. The
combination of a dead end passage coupled with a rapid pressurization may lead to adiabatic compression of
the contained oxygen and subsequent failure of the pigtail by ignition.
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All gas distribution piping systems must meet appropriate industrial standards for the intended service, and
must be thoroughly cleaned before using.
Comply with all safety rules and precautions of the following:
1. American National Standards Institute standard Z49.1 or Safety in Welding and Cutting, American
Welding Society, 2501 NW Seventh Street, Miami, FL 33125.
2. N.F.P.A. Standard 51, Oxygen-Fuel Gas Systems for Welding and Cutting, N.F.P.A., 470 Atlantic
Avenue, Boston, MA 02210.
3. N.F.P.A. Standard 51B, Cutting and Welding Processes, (see Address in #2)
4. CONCOA Publication ADE 872, Safety Precautions in Welding and Cutting.
5. Local ordinances.
6. O.S.H.A.
7. C.G.A. Pamphlet C-4, American National Standard Method of Marking Portable Compressed Gas
Containers to Identify the Material Contained.*
8. C.G.A. Pamphlet G-4, Oxygen-Information on the properties, manufacture, transportation, storage,
handling, and use of oxygen.
9. C.G.A. Pamphlet G-4.1, Equipment Cleaned for Oxygen Service.
10. C.G.A. Pamphlet C-4.4, Industrial Practices for Gaseous Oxygen Transmission and Distribution Piping
Systems.
11. C.G.A. Pamphlet G-5, Hydrogen - Information on the properties, manufacture, transportation, storage,
handling, and use of hydrogen.
12. C.G.A. Pamphlet G-6, Carbon Dioxide - Information on the properties, manufacture, transportation,
storage, handling, and use of carbon dioxide.
13. C.G.A. Pamphlet G-6.1, Standard for Low Pressure Carbon Dioxide Systems at Consumer Sites.
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