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This Japanese Industrial Standard specifies the buried polyethylene pipes used for the supply of town gas and liquefied petroleum gas: single layer pipes (including the polyethylene pipes with identifying stripe): polyethylene pipes with co-extruded two layers or three layers specified in Annex A. The material of each layer to be used shall have that of the same MRS: covered pipes specified in Annex B that are polyethylene pipes covered with peelable thermoplastic material on the outside surface.
| Author | JSA |
|---|---|
| Editor | JSA |
| Document type | Standard |
| Format | File |
| ICS | 75.200 : Petroleum products and natural gas handling equipment 83.140.30 : Plastics pipes and fittings for non fluid use |
| Number of pages | 70 |
| Replace | JIS K 6774 (2005-03-20) |
| Cross references | ISO 4437 (2007-06), MOD |
| Set | Piping |
| Year | 2013 |
| Document history | JIS K 6774 (2013-12-20) |
| Country | Japan |
| Keyword | JIS 6774;6774 |