By ASME
This energy Piping Code is among the many Sections of the yank Society of Mechanical Engineers Code for strain Piping, B31. This part is released as a separate record for comfort. criteria and standards in particular included by means of reference into this Code are proven in desk 126.1. it's not thought of sensible to consult a dated version of every of the criteria and necessities during this Code. as a substitute, the dated variation references are incorporated in an Addenda and should be revised every year. This Code prescribes requisites for the layout, fabrics, fabrication, erection, try out, inspection, operation, and upkeep of piping platforms. Piping as utilized in this Code contains pipe, flanges, bolting, gaskets, valves, pressure-relieving valves/ units, fittings, and the pressure-containing parts of alternative piping elements, even if synthetic in keeping with criteria indexed in desk 126.1 or in particular designed. it is also hangers and helps and different gear goods essential to hinder overstressing the pressure-containing elements. ideas governing piping for miscellaneous appurtenances, reminiscent of water columns, distant water point signs, strain gages, gage glasses, etc., are integrated in the scope of this Code, however the specifications for boiler appurtenances will be in response to part I of the ASME Boiler and strain Vessel Code, PG-60. The clients of this Code are urged that during a few parts laws might determine governmental jurisdiction over the subject material lined by way of this Code. although, this sort of felony requirement shall now not relieve the landlord of his inspection duties laid out in para. 136.1.
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Extra resources for ASME B31.1 Power Piping
Example text
Mandatory Appendix A values must be converted to kPa when the design pressure is in kPa. 7 Weld Strength Reduction Factors to Be Applied When Calculating the Minimum Wall Thickness or Allowable Design Pressure of Components Fabricated With a Longitudinal Seam Fusion Weld Weld Strength Reduction Factor for Temperature, °F (°C) [Notes (1)–(7)] Steel Group 700 (371) 750 (399) 800 (427) 850 (454) 900 (482) 950 (510) 1,000 (538) 1,050 (566) 1,100 (593) 1,150 (621) 1,200 (649) CrMo [Notes (8), (9), (10)] CSEF (N+T) [Notes (8), (11), (12)] ...
3) extruded pipe: pipe produced from hollow or solid round forgings, usually in a hydraulic extrusion press. In this process the forging is contained in a cylindrical die. Initially a punch at the end of the extrusion plunger pierces the forging. The extrusion plunger then forces the contained billet between the cylindrical die and the punch to form the pipe, the latter acting as a mandrel. 4) centrifugally cast pipe: pipe formed from the solidification of molten metal in a rotating mold. Both metal and sand molds are used.
Integrally reinforced branch outlet fitting: a branch outlet fitting that is welded directly to a run pipe, where the branch fitting and the deposited weld metal used to attach the fitting to the run pipe are designed by the fitting manufacturer to provide all the reinforcement required by this Code without the addition of separate saddles or pads. The attachment of the branch pipe to the fitting is by butt welding, socket welding, threading, or by a flanged connection. Integrally reinforced branch outlet fittings include those fittings conforming to MSS SP-97.