Du-50
* Du-50 | For water and para at temperature up to 225 degree. With, oils and butters to 90ãðàä
. With, benzene hydrocarbons to 200 degree. With, phenolates, êàìíåóãîëüíûõ
butters, resins, ammonia-tar liquors to 225 degree. S.
| ZPP-050-06
* ZPP-050-06 | Flip-flop on pipe-line, transporting oil products and
natural gas.
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