Hydrostatic design basis

HDB hydrostatic design basis HNP high-nitrile plastic... 

Hydrostatic design basis (HDB) n. One of a series of 10 -h or 50-year strength values... 

ASTMD2837 2001a Standard Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials... 

TABLE 5.51 Hydrostatic Design Basis (Strength Categories) for Thermoplastic Pipe Compounds Determined with Water at73.4T (23°C)... 

TABLE 5.52 Hydrostatic Design Basis for Machine-Made Reinforced Thermosetting Resin Pipe... 

Hydrostatic design basis, 11.3 MPa Natural (uncolored) and unfilled. 

Elevated temperature service (hydrostatic design basis determined at the specified higher temperature) test method ASTM D 2837. 

A safety factor, depending upon temperature and type of service, is applied to the hydrostatic design basis to obtain a working stress. This value is then substituted in the pipe design equation to obtain pressure rating or required wall thickness. Typical safety factors are ... 

Mruk, S. A., Validating the Hydrostatic Design Basis of PE Piping Materials. ... 

Mruk, S. A., Validating the Hydrostatic Design Basis of PE Piping Materials, and Bragaw, C. G., Eracture Modes in Medium-Density Polyethylene Gas Piping Systems, Plastics and Rubber Materials and Applications, pp. 145-148, November 1979. 

ASTM D2837 Standard Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis for Thermoplastic Pipe Products, ASTM International, USA (2004). 

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