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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

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Scope Details test and examination criteria for automatic gas shutoff valves and devices which operate when the temperature sensing element is at 210oF (99oC) or less

定价： 546元 / 折扣价： 465 元

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1.1 Scope 1.1.1 This standard applies to newly produced automatic gas shutoff valves and devices constructed entirely of new, unused parts and materials. 1.1.2 An automatic gas shutoff device shall operate when the temperature sensing element is

定价： 1183元 / 折扣价： 1006 元

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