This standard specifies the type, basic parameters and main dimensions of glass-lined 90° elbows, and requires factory documentation, packaging, transportation and storage. This standard applies to glass-lined 90° elbows with design pressures not greater than 1.0 MPa and design temperatures of -20 ℃ to 200 ℃.
HG/T 2134-2014 Referenced Document
GB 25025-2010 Specification of glass-lined equipment for industry
GB/T 12459 Steel buttwelding pipe fittings—Types and parameter*, 2017-02-28 Update
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications