Scope 1.1.1 This standard applies to newly produced, direct gas-fired industrial air heaters of the nonrecirculating type, hereinafter referred to as heaters, whose purpose is to offset building heat loss. All air to the heater shall be ducted directly

定价： 4596元 / 折扣价： 3907 元

Scope Details test and examination of criteria for direct gas-fired industrial air heaters of the non-recirculating type, for use with nat., mfd. and mixed gases, LP gases, and LP gas-air mixtures. A direct gas-fired industrial air heater of the non-re

定价： 683元 / 折扣价： 581 元

Scope Details test and examination for direct gas-fired industrial air heaters of the non-recirculating type,for use with nat.,mfd. and mixed gases,LP gases,and LP gas-air mixtures. A direct gas fired industrial air heater of the non-recirculating type

定价： 683元 / 折扣价： 581 元

1. Scope 1.1 This Standard describes the technical requirements and procedures necessary for the design, performance and testing of new or unused flameproof, diesel-powered, non-rail-bound, self- propelled machines for use in gassy underground mines.

定价： 501元 / 折扣价： 426 元

1. Scope 1.1 This Standard describes the technical requirements and procedures necessary for the design, performance, and testing of new or unused non- rail-bound, diesel-powered, self-propelled machines for use in non-gassy underground mines. 1.2 This

定价： 364元 / 折扣价： 310 元

定价： 1820元 / 折扣价： 1547 元

Update No. 2 is included in this PDF 1. Scope 1.1 This Standard specifies tests for the testing of non-incendive electrical equipment and the details of construction and tests for intrinsically safe electrical equipment for use in the following haz

定价： 637元 / 折扣价： 542 元

1. Scope 1.1 This Standard applies to process measurement and control equipment that has been designed and assessed for use either in, or in conjunction with, Class I, Division 2 hazardous locations as defined in the Canadian Electrical Code, Part I.

定价： 455元 / 折扣价： 387 元

1 Scope This part of ISO 23328 specifies requirements for non-filtration aspects of breathing system filters (BSF) intended for anaesthetic and respiratory use, and addresses connection ports, leakage, resistance to flow, packaging, marking and informa

定价： 410元 / 折扣价： 349 元

1.1 Scope 1.1.1 This Standard applies to manual lever operated, gas shut- off valves of metallic construction, with weld and flanged and threaded ends other than pressure lubricated designs. 1.1.2 This Standard applies to valves used in: (a) ap

定价： 1138元 / 折扣价： 968 元

CSA Preface This is the first edition of CAN/CSA-ISO 14341, Welding consumables - Wire electrodes and deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification, which is an adoption without modification of the iden

定价： 637元 / 折扣价： 542 元

Update #2 was published as notification that this is now a National Standard of Canada This PDF includes Update #2 and #3 1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Require

定价： 1775元 / 折扣价： 1509 元

1 Scope This part of ISO 9241 provides requirements and recommendations for the design of non-keyboard input devices. It only includes devices for which there exists sufficient published ergonomic information. This part of ISO 9241 applies to severa

定价： 1047元 / 折扣价： 890 元

定价： 4842元 / 折扣价： 4116 元

1. Scope This section of Part 2 of IEC Publication 598 specifies requirements for photo and film luminaires (non-professional) for use with tungsten filament lamps on supply voltages not exceeding 250 V, including low-pressure tungsten halogen lamps sp

定价： 455元 / 折扣价： 387 元