Please note: All interim revisions for this edition available at time of your purchase will be included.
Original price was: $293.00.$146.00Current price is: $146.00.
Compressed Gas Regulators
Underwriters Laboratories , 10/27/2022
Original price was: $631.00.$315.00Current price is: $315.00.
Compressed Gas Regulators
Underwriters Laboratories , 09/09/2017
Please note: All interim revisions for this edition available at time of your purchase will be included.
Compressed Gas Regulators
UL 252
1 Scope
1.1 These requirements cover regulators used to reduce the pressure of compressed industrial gases from a source or storage cylinder pressure of not more than 5500 psig (37.91 MPa) to the use pressure.
1.2 Regulators covered by these requirements are intended for use with compressed gases such as air, carbon dioxide, inert gases, fuel gases, nitrogen, nitrogen oxide, and oxygen.
1.3 Regulators for welding, cutting, and heating operations are intended for use in accordance with the Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, NFPA 51.
1.4 These requirements do not cover:
a) LP-Gas pressure regulators for equipment intended for installation and use in accordance with requirements of the Liquefied Petroleum Gas Code, NFPA 58. Such regulators are evaluated under the Standard for LP-Gas Regulators, UL 144.
b) Regulators for handling liquids under cryogenic temperatures.
c) The regulating performance flow characteristics of the regulator, and the physiological effects of regulators to be used with medical gases.
Original price was: $206.79.$103.00Current price is: $103.00.
Compressed Gas Regulators
Underwriters Laboratories , 09/16/2010
Please note: All interim revisions for this edition available at time of your purchase will be included.
Compressed Gas Regulators
UL 252
1 Scope
1.1 These requirements cover regulators used to reduce the pressure of compressed industrial gases from a source or storage cylinder pressure of not more than 5500 psig (37.91 MPa) to the use pressure.
1.2 Regulators covered by these requirements are intended for use with compressed gases such as air, carbon dioxide, inert gases, fuel gases, nitrogen, nitrogen oxide, and oxygen.
1.3 Regulators for welding, cutting, and heating operations are intended for use in accordance with the Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, NFPA 51.
1.4 These requirements do not cover:
a) LP-Gas pressure regulators for equipment intended for installation and use in accordance with requirements of the Liquefied Petroleum Gas Code, NFPA 58. Such regulators are evaluated under the Standard for LP-Gas Regulators, UL 144.
b) Regulators for handling liquids under cryogenic temperatures.
c) The regulating performance flow characteristics of the regulator, and the physiological effects of regulators to be used with medical gases.
Original price was: $242.21.$121.00Current price is: $121.00.
Compressed Gas Regulators
Underwriters Laboratories , 10/10/2003
This new edition is a periodic re-issuance to ensure that UL’s Standards remain up-to-date with regard to format and editorial issues such as renumbering, repaginating, correction of editorial errors, correction of cross-references and updating titles of referenced Standards. Revisions to UL 252 reflect the discontinued use of cadmium plating in compressed gas regulator accessories and the replacement of ASTM No. 3 Swelling Oil with IRM 903 as stated in the bulletin dated April 9, 2003.
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