Viega Megapress Stainless Pipe Marking Guide; Table 15 Guide To The Asni A13.1 Standard For The Identification Of Pipes; Table 16 Pipe Markers - Viega MegaPress Installation Manual

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2.7.3 Viega MegaPress Stainless Pipe Marking Guide

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Usage Material Properties
Hazardous ■ Flammable or Explosive
Materials ■ Chemically Active or
Toxic
■ Radioactive
■ Extreme Temperature /
Pressure
Low Hazard ■ Liquid
Materials ■ Liquid Admixture
(Liquid)
Low Hazard ■ Gas
Materials (Gas) ■ Gas Admixture
Fire ■ Liquid
Suppression ■ Gas
■ Foam
Table 15: Guide to the ASNI A13.1 standard for the identification of pipes
All Viega MegaPress Stainless piping systems should be continuously marked in
accordance with ANSI A13.1 or as required by the local authority having jurisdiction.
Pipe O.D. Including Covering Minimum Length of
¾" to 1¼" 19 mm to 32 mm
1½" to 2" 38 mm to 51 mm
2½" to 4" 64 mm to 108 mm
Table 16: Pipe markers
Marker Placement
■ At all changes in direction
■ At both sides of any penetrations (valves, flanges, tees, etc.)
■ At frequent intervals on straight run (50 feet is typical)
■ Locate pipe markers so they are readily visible
■ Provide arrows indicating direction of flow
Note: This guide is for general information purposes only. Pipe markings
shall be in accordance with local code requirements.
Type of Application
(typical)
■ Process Piping
■ High-Pressure
Steam
■ Acids/Corrosives
■ Cooling Water
■ Grey Water
■ Chilled Water
■ Compression Air
■ Nitrogen (N2)
■ Argon (Ar)
■ Sprinklers (Wet/Dry)
■ CO2
■ Foam (AFFF)
Minimum Height of Letters
Label Field Color
8" 203 mm ½"
8" 203 mm ¾"
12" 305 mm 1¼"
IM-MP 591324 0120 MegaPress Stainless
Color
Scheme
YELLOW ON
BLACK
WHITE ON
GREEN
WHITE ON
BLUE
WHITE ON
RED
13 mm
19 mm
32 mm