Cast steel flange globe valve steam high temperature carbon steel valve WCBdn25405065801001520J41H-16C

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Color classification:: Heavy Duty DN15 ≤300°C Heavy Duty DN20 ≤300°C Heavy Duty DN25 ≤300°C Heavy Duty DN32 ≤300°C Heavy Duty DN40 ≤300°C Heavy Duty DN50 ≤300°C Heavy Duty DN65 ≤300°C Heavy Duty DN80 ≤300°C Heavy Duty DN125 ≤ ≤300°C Heavy Duty DN150 ≤300°C GB Weight DN15 ≤425°C GB Weight Type DN20 ≤425 °C GB Weight Type DN25 ≤425 °C GB weight type DN32 ≤425 °C GB weight type DN40 ≤425 °C GB weight type DN50 ≤425 °C GB weight type DN65 ≤ 425 °C GB weight type DN80 ≤425 °C national standard weight type DN100 ≤425 °C