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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

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ANSI Z21.23-2000 (R05) Gas Appliance Thermostats 现行 发布日期 :  实施日期 : 

Scope These requirements apply to newly produced gas appliance thermostats of the integral gas valve type having a maximum operating gas pressure of ? psi (3.5 kPa) or electric type. This standard does not apply to an electric type comfort heating the

定价: 4277元 / 折扣价: 3636

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Scope Details test and examination criteria for integral gas valve type and electric type thermostats which are used as integral parts of gas-burning appliances. It presents minimum levels for the substantial and durable construction, safe operation

定价: 819元 / 折扣价: 697

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Scope Details test and examination criteria for integral gas valve type and electric type thermostats which are used as integral parts of gas-burning appliances. It presents minimum levels for the substantial and durable construction, safe operation

定价: 683元 / 折扣价: 581

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ANSI Z21.24-2001/CSA 6.10-2001 Connectors for Gas Appliances 现行 发布日期 :  实施日期 : 

Scope Details test and examination criteria for gas appliance connectors comprised of semi-rigid metal tubing and having a fitting at each end provided with taper pipe threads for connection to a gas appliance and to house piping, o consisting of corru

定价: 3731元 / 折扣价: 3172

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定价: 546元 / 折扣价: 465

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Scope Details test and examination criteria for gas appliance connectors limited to a maximum nominal length of 6 feet (1.83m). Such connectors are suitable for connecting gas-fired appliances to fixed gas supply lines containing natural, manufactured

定价: 683元 / 折扣价: 581

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定价: 546元 / 折扣价: 465

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1.1 Scope 1.1.1 This standard applies to newly produced, gas-fired, heat activated, air conditioning and heat pumping appliances, hereinafter referred to as appliances, constructed entirely of new, unused parts and materials, which are designed to su

定价: 5870元 / 折扣价: 4990

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Preface The standards set forth herein apply to the first edition of the Standard for Gas-Fired, Heat Activated Air Conditioning and Heat Pump Appliances, ANSI Z21.40.1-1996/CGA 2.91-M96, and supersede corresponding standards therein. Following their p

定价: 1001元 / 折扣价: 851

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Approved March 13, 1997 by American National Standards Institute, Inc. Approved June 28, 1996 by the Interprovincial Gas Advisory Council; Effective in Canada September, 1998.

定价: 728元 / 折扣价: 619

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Preface The standards set forth herein apply to the first edition of the Standard for Performance Testing and Rating of Gas-Fired, Air-Conditioning and Heat Pump Appliances, ANSI Z21.40.4-1996/CGA 2.94-M96, and supersede corresponding standards therein

定价: 1593元 / 折扣价: 1355

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定价: 637元 / 折扣价: 542

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ANSI Z21.47-2006/CSA 2.3-2006 Gas-Fired Central Furnaces 现行 发布日期 :  实施日期 : 

定价: 9146元 / 折扣价: 7775

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Scope Details test and examination criteria for automatically operating gas-fired central furnaces for use with nat., mfd. and mixed gases, LP gases and LP gas air mixtures. Central furnaces are designed to supply heated air through ducts to building s

定价: 819元 / 折扣价: 697

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