Vacuum valve definition

Vacuum valve means a spring-loaded device which is activated automatically by pressure the purpose of which is to protect the tank against unacceptable negative internal pressure;
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Vacuum valve means a self-closing, spring-loaded device the purpose of which is to protect the tank against unacceptable negative internal pressure.
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Vacuum valve means an automatically activated safety valve the purpose of which is to protect the cargo tank against unacceptable negative internal pressure. When the list of substances on the vessel according to 1.16.1.2.5 contains substances for which explosion protection is required in column (17) of Table C of Chapter 3.2, it shall be deflagration safe against atmospheric explosions of the most critical substance in the list of substances. The deflagration safety shall be tested according to international standard ISO 16852:2016 and evidence of compliance with the applicable requirements (e.g., conformity assessment procedure according to Directive 2014/34/EU, ECE/TRADE/391 or at least equivalent) shall be supplied. The deflagration safety may be ensured by an integrated flame arrester plate stack or a flame arrester (protection against deflagrations);".
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Examples of Vacuum valve in a sentence

  • Low VOC.• Easy-squeeze bottle• Never drip again• Essential for every craftsman• Vacuum valve keeps glue level high, even when you’re getting low!CodeSizeCodeDescriptionList/eaGLU-BOT16 oz.

  • Vacuum valve closed frequently in the Gold beam run, because the pressure increased from less than 10−9 T orr to higher than 10−5 T orr.

  • Vacuum valve chambers, if required, shall be installed by a licensed underground contractor working for the Owner.

  • Vacuum valve chambers shall be placed in a convenient location in a dedicated right-of-way, Easement or license area designated for utility use adjacent to the Premises.

  • The In-Line Anti Vacuum valve DA must be tested as and comply with the requirements/criteria stipulated in pr EN 14451 clauses: -10.1, 10.2, 10.3.2, 10.4, 10.6, 10.8.1, 10.8.2, 10.8.3, 10.9, Annex A.

  • Please do not touch the optical components with your fingers! Click to HV unlock …, make sure, that the detector valve is opened, if so, select option Vacuum valve is open! and confirm by clicking OK.

  • Details of MLI materials, its layer density, properties like thermal conductivity, etc, shall be provided by the Supplier during detail engineering.Manual Vacuum valve :Every segment of the vacuum jacket of the SI pipe-lines shall be provided with a welded manual vacuum valve size DN25/ DN40 (size to be decided during Detail Engineering) for evacuation and another valve of size DN15 for vacuum measurement with brief specifications given below.

  • Disconnect Nitrogen cooling system.6. Manually actuate Vacuum valve location switch and verify telemetry (cannot open vacuum valve in air).7.

  • Flow meter Vacuum valve Air/water seperator bypass valveTemperature 3Phototransistor 2Water accumulatorTemperature 2Terminal blockResistivity 2`DrainPC with DAQ cardPhototransistor 1 Temperature 1Water from tap Air pump Vacuum pump Air accumulator Vertical, upward air/water flowResistivity 1Figure 2.1: A schematic of the experiment as it was in May and June 2005.

  • This Regulators Specification identifies the performance requirements that must be complied with to ensure that the requirements of Regulation 4.(1)(a)&(b) are satisfied.This Regulators Specification applies to: - In-Line Anti Vacuum valve DA.


More Definitions of Vacuum valve

Vacuum valve means an automatically activated safety valve the purpose of which is to protect the cargo tank against unacceptable negative internal pressure. When the list of substances on the vessel according to 1.16.1.2.5 contains substances for which explosion protection is required in column (17) of Table C of Chapter 3.2, it shall be deflagration safe against atmospheric explosions of the most critical substance in the list of substances. The deflagration safety shall be tested according to international standard ISO 16852:20161 and evidence of compliance with the applicable requirements (e.g., conformity assessment procedure according to Directive 2014/34/EU,2 ECE/TRADE/3913 or at least equivalent) shall be supplied. The deflagration safety may be ensured by an integrated flame arrester plate stack or a flame arrester (protection against deflagrations);”. 1.2.1 In the definition of “Pressure relief device”, replace “a spring-loaded device which is activated automatically by pressure” by “an automatically activated safety valve”. 1.2.1 In the definition of “Control temperature”, replace “or the self-reactive substance” by “, the self-reactive substance or the polymerizing substance”. 1.2.1 Amend the definition of Toximeter to read as follows:
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Vacuum valve means an automatically activated safety valve the purpose of which is to protect the cargo tank against unacceptable negative internal pressure.”. When the list of substances on the vessel according to 1.16.1.2.5 contains substances for which explosion protection is required in column (17) of Table C of Chapter 3.2, it shall be deflagration safe against atmospheric explosions of the most critical substance in the list of substances. The deflagration safety shall be tested according to international standard ISO 16852:20101 and evidence of compliance with the applicable requirements (e.g., conformity assessment procedure according to Directive 2014/34/EC,2 the IECEx System, ECE/TRADE/3913 or at least equivalent) shall be supplied. The deflagration safety may be ensured by an integrated flame arrester plate stack or a flame arrester (protection against deflagrations);”1.2.1 Amend the definition of “Types of protection” to read as follows: “Types of protection:Electrical equipment (see IEC 60079-0:2011 or at least equivalent);EEx (d): flameproof enclosure (IEC 60079-1:2014 or at least equivalent); EEx (e): increased safety (IEC 60079-7:2015 or at least equivalent);EEx (ia) and EEx (ib): intrinsic safety (IEC 60079-11:2011 or at least equivalent);EEx (m): encapsulation (IEC 60079-18:2009 or at least equivalent);EEx (p): pressurized apparatus (IEC 60079-2:2014 or at least equivalent); EEx (q): powder filling (IEC 60079-5:2007 or at least equivalent);Non-electrical equipment (see IEC EN 13463-1:2009 or at least equivalent);EEx (fr): flow restricting enclosure (EN 13463-2:2005 or at least equivalent); EEx (d): flameproof enclosure (EN 13463-3:2005 or at least equivalent); EEx (c): constructional safety (EN 13463-5:2011 or at least equivalent);EEx (b): control of ignition source (EN 13463-6:2005 or at least equivalent); EEx (k): liquid immersion: (EN 13463-8:2003 or at least equivalent);”.1.2.1 Insert the following new definitions in alphabetical order:
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Vacuum valve means a special valve installed at the interface between a vacuum collection sewer and the holding tank which collects gravity discharge from one or more “Building Sewers.” The vacuum valve’s function is to automatically introduce the discharge from the building sewer(s) into the vacuum collector sewer.
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Vacuum valve means an automatically activated safety valve the purpose of which is to protect the cargo tank against unacceptable negative internal pressure.”. When the list of substances on the vessel according to 1.16.1.2.5 contains substances for which explosion protection is required in column (17) of Table C of Chapter 3.2, it shall be deflagration safe against atmospheric explosions of the most critical substance in the list of substances. The deflagration safety shall be tested according to international standard ISO 16852:201601 and evidence of compliance with the applicable requirements (e.g., conformity assessment procedure according to Directive 2014/34/EC,2 the IECEx System, ECE/TRADE/3913 or at least equivalent) shall be supplied. The deflagration safety may be ensured by an integrated flame arrester plate stack or a flame arrester (protection against deflagrations);”1.2.1 Amend the definition of “Types of protection” to read as follows: “Types of protection:Electrical equipment (see IEC 60079-0:2011 or at least equivalent);EEx (d): flameproof enclosure (IEC 60079-1:2014 or at least equivalent); EEx (e): increased safety (IEC 60079-7:2015 or at least equivalent);EEx (ia) and EEx (ib): intrinsic safety (IEC 60079-11:2011 or at least equivalent);EEx (m): encapsulation (IEC 60079-18:2009 or at least equivalent);EEx (p): pressurized apparatus (IEC 60079-2:2014 or at least equivalent); 2 Journal of the European Communities No. L 23 of 26 February 2014, Sp. 309.5 http://iecex.com/rules.Formatted: Font: Italic Formatted: Font: Italic 3 A Common Regulatory Framework for Equipment Used in Environments with an Explosive Atmosphere, United Nations, 2011.2 Identical to EN ISO 16852:2010.
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Vacuum valve means a spring-loaded device which is activated automatically by pressure the purpose of which is to protect the cargo tank against unacceptable negative internal pressure; [“Vehicle” means any vehicle covered by the definition of the term “vehicle” in the ADR.] [or “wagon” in RID]. [see “Battery-vehicle”, “Closed vehicle”, “Open vehicle”, “Sheeted vehicle” and “Tank-vehicle”];
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Vacuum valve means a spring-loaded device which is activated automatically by pressure the purpose of which is to protect the tank against unacceptable negative internal pressure; 6 Published by the GCU Bureau, Avenue Louise, 500, BE–1050 Brussels, www.gcubureau.org.
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