Standard No.... Doc. No....
Piping Material Specification
Piping Material Specification
Issue Date: Dec, 20195 of 15
| Valve Tag Numbering | |||
| Material | Class | Valve Type | Valve Ends |
| A - Ductile | 0 - Class 1500 | 0 - Gate | 0 - Threaded |
| B - Hastelloy B | 1 - Class 150 | 1 - Globe | 1 - Socket Weld |
| C - Carbon Steel | 2 - Class 2500 | 2 - Swing Check | 2 - Flanged, Raised Face |
| D - Chrome Moly | 3 - Class 300 | 3 - Wafer Check | 3 - Flanged, Flat Face |
| E - 316 Stainless Steel | 4 - Class 4000 | 4 - Plug | 4 - Flanged, Ring Type Joint |
| F - 316L Stainless Steel | 5 - Class 3000 | 5 - Ball | 5 - Buttweld, Bore to Match Pipe |
| G - Cast Iron | 6 - Class 600 | 6 - Butterfly | 6 - Threaded x Socket Weld |
| H - 304 Stainless Steel | 7 - Class 6000 | 7 - Lift Check (Ball or Piston) | 7 - Integral Male Socket Weld x Female Threaded |
| I - 304L Stainless Steel | 8 - API Class 800 | 8 - Knife Gate | 8 - Hub Connector - Grayloc |
| J - PVC | 9 - Class 900 | 9 - Diaphragm | 9 - Buttweld x Hub end |
| K - PTFE Lined | |||
| L - Monel | |||
| M - Hastelloy C | |||
| N - 321 Stainless Steel | |||
| O - Alloy 20 | |||
| P - FRP | |||
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Tag Number shall be: V-Material Code / Pressure Class / Type / Ends / Two Digit Sequence Example: V-C80100
All Valve sequence numbers shall start at 00 & number ascending through 99. |
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