ASME PTC 4.4

ASME PTC 4.4

Gas Turbine Heat Recovery Steam Generators
Gas Turbine Heat Recovery Steam Generators
Gas Turbine Heat Recovery Steam Generators

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Standard Details

Scope:
(a) This Code addresses steam generators whose primary function is to recover heat from gas turbine exhaust. Methods noted in this document may also be used for testing other heat recovery units, which may include the following:

(1) units heating water only

(2) units using working fluids other than water

(3) units obtaining hot gas heat input from sources other than gas turbines

(4) HRSGs with fresh air firing capability

(b) This Code does not cover the following testing:

(1) fired steam generators whose primary function does not include the recovery of heat from gas turbine exhaust. These are addressed in ASME PTC 4 and ASME PTC 34.

(2) auxiliary equipment such as pumps and fans that are addressed in ASME PTC 8.2 and ASME PTC 11, respectively.

(3) deaerator performance that is addressed in ASME PTC 12.3.

(4) equipment noise emissions that are addressed in ASME PTC 36.

(5) gaseous emissions to atmosphere.

(6) steam purity.

Organization: ASME International
Document Number: asme ptc 4.4
Publish Date: 2008-01-01
Page Count: 156
Change Type: REAF
Available Languages: EN
DOD Adopted: NO
ANSI Approved: YES
Most Recent Revision: YES
Current Version: YES
Status: Active

Publication Date: 01/01/2008 - Complete Document Changes Incorporated

Description :

(a) This Code addresses steam generators whose primary function is to recover heat from gas turbine exhaust. Methods noted in this document may also be used for testing other heat recovery units, which may include the following:

(1) units heating water only

(2) units using working fluids other than water

(3) units obtaining hot gas heat input from sources other than gas turbines

(4) HRSGs with fresh air firing capability

(b) This Code does not cover the following testing:

(1) fired steam generators whose primary function does not include the recovery of heat from gas turbine exhaust. These are addressed in ASME PTC 4 and ASME PTC 34.

(2) auxiliary equipment such as pumps and fans that are addressed in ASME PTC 8.2 and ASME PTC 11, respectively.

(3) deaerator performance that is addressed in ASME PTC 12.3.

(4) equipment noise emissions that are addressed in ASME PTC 36.

(5) gaseous emissions to atmosphere.

(6) steam purity.

Document Type : Complete Document

Language : English

Page Count : 156

Publication Date : 01/01/2008

Revision : 08

Status : Current

Supplement : W/

Title : Gas Turbine Heat Recovery Steam Generators

Publication Date: 01/01/2008 - Base Document

Description :

(a) This Code addresses steam generators whose primary function is to recover heat from gas turbine exhaust. Methods noted in this document may also be used for testing other heat recovery units, which may include the following:

(1) units heating water only

(2) units using working fluids other than water

(3) units obtaining hot gas heat input from sources other than gas turbines

(4) HRSGs with fresh air firing capability

(b) This Code does not cover the following testing:

(1) fired steam generators whose primary function does not include the recovery of heat from gas turbine exhaust. These are addressed in ASME PTC 4 and ASME PTC 34.

(2) auxiliary equipment such as pumps and fans that are addressed in ASME PTC 8.2 and ASME PTC 11, respectively.

(3) deaerator performance that is addressed in ASME PTC 12.3.

(4) equipment noise emissions that are addressed in ASME PTC 36.

(5) gaseous emissions to atmosphere.

(6) steam purity.

Document Type : Base Document

Language : English

Page Count : 154

Publication Date : 01/01/2008

Revision : 08

Status : Current

Title : Gas Turbine Heat Recovery Steam Generators

Publication Date: 01/01/1981 - Complete Document Changes Incorporated

Description :

The rules and instructions given in this Code apply to HRSG units employed in combined cycle installations. Units operating with more than approximately 40 percent excess air shall be tested in accordance with the requirements of this Code. Units operating with less than approximately 20 percent excess air shall be tested in accordance with Performance Test Code PTC-4.1, Steam Generating Units. For units operating between 20 percent and 40 percent excess air, guidance as to the preferred test method can be obtained in Appendix 7.1. Orsat analysis is not required for tests performed under this Code. Testing of auxiliary equipment shall be governed by the Performance Test Code applying specifically to the auxiliary in question. This Code is not applicable to solid fuel fired units. The HRSG covered by this Code is encompassed by the envelope boundary shown in Fig. 1.1

Document Type : Complete Document

Language : English

Page Count : 90

Publication Date : 01/01/1981

Revision : 81

Status : Historical

Supplement : W/

Title : Gas Turbine Heat Recovery Steam Generators

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