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Gost 22818 - Elbows with 90° angle and support
This International Standard applies to 90° elbows and supports for pipelines used in the petrochemical and mineral fertilizer industries.
Pressure
Ru St. 10 to 100 MPa (over 100 to 1,000 kgf / cm²)
Diameters
Dy 6 to 200 mm
Temperature
minus 50 to plus 510 °С