EN ISO 16496:2016 PDF

Name: EN ISO 16496:2016 — Laboratory glassware - Vacuum-jacketed vessels for heat insulation (ISO 16496:2016)
SKU: EN ISO 16496:2016
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Laboratory glassware - Vacuum-jacketed vessels for heat insulation (ISO 16496:2016)

Название (английский):

EN ISO 16496:2016

Laboratory glassware - Vacuum-jacketed vessels for heat insulation (ISO 16496:2016)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 21
Дата публикации:: 17 февраля 2016 г.
Издание:: CEN EN 16496 edition 1 version 1
ICS:: 71.040.20

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Описание (английский):

ISO 16496:2016 recommends dimensions and specifies requirements and test methods for laboratory glassware manufactured from borosilicate glass 3.3 and provided with a vacuum jacket for thermal insulation. It covers Dewar vessels, vacuum-jacketed reaction vessels and vacuum-jacketed columns intended for laboratory use and laboratory related applications. Typical dimensions are given in Tables 1 to 5. ISO 16496:2016 does not apply to large scale production equipment and equipment operated with pressures of more than 0,1 bar above atmospheric pressure.

Abstract

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Стандарты, упомянутые в описании

Overview

EN ISO 16496:2016 (ISO 16496:2016) specifies requirements, recommended dimensions and test methods for laboratory glassware manufactured from borosilicate glass 3.3 and fitted with a vacuum jacket for thermal insulation. The standard covers common vacuum-jacketed vessels used in laboratories - notably Dewar flasks, vacuum-jacketed reaction vessels and vacuum-jacketed columns - and provides typical dimensions (Tables 1–5) and safety/usage guidance. It does not apply to large-scale production equipment or vessels operated at pressures exceeding 0.1 bar above atmospheric.

Key topics and technical requirements

Scope of covered products: Dewar vessels, vacuum-jacketed reaction vessels, vacuum-jacketed columns intended for laboratory and related applications.

Materials: requirements for borosilicate glass 3.3 as the primary material.

Dimensional guidance: typical internal diameters, heights and housing dimensions are given in Tables 1–5; alternative dimensions are permissible when capacities remain within the standard’s scope.

Thermal performance and ranges: Dewar flasks are characterised for controlled temperatures from –200 °C to +200 °C (see Clause 3.1 and 8.1 for use restrictions).

Construction and optional features: e.g., stopcocks, heating/cooling jackets and flanges for reaction vessels; column inlet/outlet design is left to manufacturer discretion.

Safety requirements and testing: general safety tests, specific tests for Dewars, reaction vessels and columns (Clauses 7–8). Annex A includes a bifilar method for testing residual strain in glass.

Associated test standards: references and normative standards are specified for joints, thermal shock and stress determination.

Applications

Insulated storage and handling of cryogens and temperature-sensitive reagents (Dewar flasks).

Thermally insulated laboratory-scale chemical reactions and synthesis (vacuum-jacketed reaction vessels).

Laboratory separation, distillation and pilot column work where thermal isolation improves efficiency (vacuum-jacketed columns).

Any laboratory setting requiring reliable thermal insulation of glassware while maintaining chemical compatibility of borosilicate glass.

Who should use this standard

Laboratory equipment manufacturers and glassblowers designing vacuum-jacketed glassware.

Quality managers and procurement specialists specifying compliant lab glassware.

Lab safety officers and facilities managers assessing use limits and safe operating practices.

Researchers and technicians in chemistry, cryogenics and process development needing standardised, tested insulated glassware.

Related standards

Normative references include (selection): ISO 383, ISO 641, ISO 718, ISO 3585, ISO 4803, ISO 4790 - useful for joint interchangeability, thermal shock tests, material properties and stress determination.

Keywords: EN ISO 16496:2016, ISO 16496:2016, vacuum-jacketed vessels, Dewar flask, laboratory glassware, borosilicate glass 3.3, thermal insulation, reaction vessel, laboratory column.

EN ISO 16496:2016 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications

Who should use this standard

Related standards

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