Số hiệu tiêu chuẩn
EN 253/prA1
Tên tiêu chuẩn
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
Ngày phát hành
2011-07-00
Tiêu chuẩn tương đương
DIN EN 253/A1 (2011-08), IDT * 11/30247802 DC (2011-07-22), IDT * E39-011/A1PR, IDT * OENORM EN 253/A1 (2011-09-01), IDT
Từ khóa
Casing * Composite jacket pipes * Composite tubes * Distant heating * District heating * Foaming agents * Hot water networks * Jacket tubes * Lagging of a drum * Long distance heating systems * Marking * Pipe system * Pipelines * Pipes for long distance heating * Pipework systems * Polyethylene * Polyurethane * Shell * Specification (approval) * Steel pipes * Steel tubes * Testing * Thermal insulation * Underground * Water pipe systems * Water pipes * Blowing agents * Propellants