Petroleum, petrochemical and natural gas industries. Plate-type heat exchangers - Plate-and-frame heat exchangers LONG_TITLE Such sampling from three-dimensional lots

Such sampling from three-dimensional lots is prone to systematic errors

Testing houses and labs for step-voltage regulators

BS EN ISO 14122-3

particularly in hospitalized individuals

Petroleum, petrochemical and natural gas industries. Plate-type heat exchangers - Plate-and-frame heat exchangers LONG_TITLE Such sampling from three-dimensional lots1 Scope This part of ISO 15547 gives requirements and recommendations for the mechanical design, materials selection, fabrication, inspection, testing, and preparation for shipment of plate and frame heat exchangers for use in petroleum, petrochemical and natural gas industries. It is applicable to gasketed, semi welded and welded plate and frame heat exchangers.