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Normas ASTM – AENOR
ASTM F992-17

ASTM F992-17

Standard Specification for Valve Label Plates

Fecha:
2017-09-19 /Active
Abstract:

This specification covers the materials, dimensions, inscription, and methods of inscribing for shipboard valve label plates. Label plates shall be classified by type, grade, class, size, and letter size in accordance with material and method of inscribing, method of attachment, thickness of sheet, strip, or plate, dimensions, and letter size to be used. Types and materials: type I - anodized aluminium, engraved; type II - anodized aluminium, metal photo; type III - stainless steel, engraved; type IV - brass, engraved; and type V - plastic, engraved. Grades and methods of attachment: grade A - adhesive on metal bracket (backling plate); grade B - metal strapping or screw; grade C - welding; grade D - secured by handwheel nut; and grade E - connection to valve stem, bonnet, or flange. Inscription on label plates shall include the system identification number, valve identification number, and the function of the valve. The pressure in line, where the line is coming from or going to, or both, may be included along with any other pertinent information.

Scope:

1.1 This specification covers the materials, dimensions, inscription, and methods of inscribing for shipboard valve label plates.

1.2 Fasteners shall be ordered separately and are not included in this specification.

1.3 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords:
label plate; marine technology; ships; valve label plate;
37,88
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