1. Scope 1.1 This Standard applies to electrically operated, general- purpose valves and safety valves that are intended to be used in ordinary locations in accordance with the Canadian Electrical Code, Part I, for the control of fluids (e.g., air,

定价： 455元 / 折扣价： 387 元

定价： 3959元 / 折扣价： 3366 元

1. Scope This clause of part 1 is replaced as follows: Replacement: 1.1 This part 2-8 applies to electrically operated water valves for use in, on or in association with equipment for household and similar use that may use electricity, gas, oil,

定价： 1138元 / 折扣价： 968 元

This PDF includes Update No. 2 and Update No. 3 1. Scope 1.1 This Standard applies to devices that automatically reduce the initial pressure to a set lower pressure in water systems and are self-acting spring-operated devices. It applies to devices

定价： 364元 / 折扣价： 310 元

1.1 Scope 1.1.1 These requirements apply to manually operated valves for high pressure natural gas. 1.1.2 These requirements do not apply to cylinder shut-off valves. 1.1.3 A valve that complies with the requirements for a Class A valve may b

定价： 637元 / 折扣价： 542 元

Addenda 2 to ANSI Z21.15-1997/CGA 9.1-M97, Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hose End Valves

定价： 683元 / 折扣价： 581 元

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

定价： 1138元 / 折扣价： 968 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

1.1 Scope 1.1.1 This standard applies to manually-operated gas valves (see Part IV, Definitions), hereinafter referred to as valves, not exceeding 4 inches (102 mm) pipe size, and pilot shut-off devices (see Part IV, Definitions), hereinafter referred

定价： 3959元 / 折扣价： 3366 元

Scope Details test and examination criteria for manually operated gas valves which are substantially of the plug and body, or rotating disc type, and to valves of other types which will provide equivalent performance. The standard presents minimum lev

定价： 774元 / 折扣价： 658 元

Scope 1.1.1 This standard applies to newly produced automatic valves (see Part VI, Definitions) constructed entirely of new, unused parts and materials. These valves may be individual automatic valves or valves utilized as parts of automatic gas igniti

定价： 4596元 / 折扣价： 3907 元

1.1 Scope 1.1.1 This standard applies to the following types of relief valves constructed entirely of new, unused parts and materials: (a) Temperature relief valves and combination temperature and pressure relief valves for use on storage tanks of

定价： 3731元 / 折扣价： 3172 元

1.1 Scope 1.1.1 This standard applies to newly produced manually operated shut-off valves for gas piping systems and constructed of entir ely new, unused parts and materials which: (a) are intended for use downstream of the distributors meter or r

定价： 1138元 / 折扣价： 968 元

Scope Details test and examination criteria for: (1) Temperature relief valves and combination temperature and pressure relief valves for use on storage tanks of hot water supply systems without heater input limitation; (2) Valves having only pressu

定价： 774元 / 折扣价： 658 元

Scope Details test and examination criteria for: 1.Combination temperature and pressure relief valves for use on storage tanks of hat water supply systems without heater input limitation; 2.Valves having only pressure relief features for use on st

定价： 956元 / 折扣价： 813 元