Description
- for boiler tube: DIN 2448 and 2458 series 2 and 3
- Media: water, compressed air, heating oil only 57 mm (observe TRBF!)
- Temperatures: heating water up to 80 °C, oil 40 °C
- Series 220 (70-108 mm): Pressure stages: water PN 6, compressed air PN 10
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