DIN 20003-2-1987
矿山用钢管.带活套法兰和普通套环的配件.第2部分:公称压力 6
Steel tubes for mining; fittings with loose flanges and plain collars, projection and recess; nominal pressure 6
- 适用范围
- This standard applies to fittings with loose flanges and with recessed collar including the appurtenant nuts and bolts as used in mining generally for compressed-air or water mains of up to 6 bars of statutory operation pressure in connection with steel piping as per DIN 20002 part 2. In addition, operation pressures of up to 25 bar are allowed for water.#,,#