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ASME PVHO-1

Safety Standard for Pressure Vessels for Human Occupancy

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Organization: ASME
Publication Date: 1 January 2019
Status: active
Page Count: 197
scope:

Application

This Standard applies to all pressure vessels that enclose a human within their pressure boundary while under internal or external pressure exceeding a differential pressure of 2 psi (15 kPa). PVHOs include, but are not limited to, submersibles, diving bells, and personnel transfer capsules, as well as decompression, recompression, hypobaric, and hyperbaric PVHOs.

Geometry

The scope of this Standard in relation to the geometry is the pressure boundary as defined in the User's Design Specification and shall include, but not be limited to, the following:

(a) shells of revolution

(b) openings and their reinforcements

(c) nozzles and other connections

(d) flat heads

(e) quick-actuating closures

(f) vessel penetrations

(g) attachments and supports

(h) access openings

(i) viewports

(j) pressure relief devices

(k) pressure-retaining covers for vessel openings

Limitations

The pressure boundary of the PVHO shall be as follows:

(a) welding end connection for the first circumferential joint for welded connections

(b) the first threaded joint for screwed connections

(c) the face of the first flange for bolted, flanged connections

(d) the first sealing surface for proprietary connections or fittings

Document History

ASME PVHO-1
January 1, 2019
Safety Standard for Pressure Vessels for Human Occupancy
Application This Standard applies to all pressure vessels that enclose a human within their pressure boundary while under internal or external pressure exceeding a differential pressure of 2 psi (15...
August 29, 2016
Safety Standard for Pressure Vessels for Human Occupancy
Application This Standard applies to all pressure vessels that enclose a human within their pressure boundary while under internal or external pressure exceeding a differential pressure of 2 psi (15...
May 31, 2012
Safety Standard for Pressure Vessels for Human Occupancy
Application This Standard applies to all pressure vessels that enclose a human within its pressure boundary while under internal or external pressure exceeding a differential pressure of 2 psi....
November 16, 2007
Safety Standard for Pressure Vessels for Human Occupancy
Application This Standard applies to all pressure vessels that enclose a human within its pressure boundary while under internal or external pressure exceeding a differential pressure of 2 psi....
January 1, 2002
Safety Standard for Pressure Vessels for Human Occupancy
This Standard provides requirements for the design, fabrication, inspection, testing, marking, and stamping of pressure vessels for human occupancy, having an internal or external pressure...
June 13, 1997
Safety Standard for Pressure Vessels for Human Occupancy
This Standard provides requirements for the design, fabrication, inspection, testing, marking, and stamping of pressure vessels for human occupancy, hereafter called PVHOs or chambers. This Standard...
May 20, 1996
Addenda to PVHO-1-1993 Safety Standard for Pressure Vessels for Human Occupancy
A description is not available for this item.
January 1, 1994
Addenda to PVHO-1-1993 Safety Standard for Pressure Vessels for Human Occupancy
A description is not available for this item.
August 15, 1993
Addenda to PVHO-1-1993 Safety Standard for Pressure Vessels for Human Occupancy
A description is not available for this item.
February 15, 1993
Safety Standard for Pressure Vessels for Human Occupancy
A description is not available for this item.
August 31, 1992
ADDENDA TO ASME PVHO-1- 1990 SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
August 31, 1991
ADDENDA TO ASME PVHO-1- 1990 EDITION SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
August 15, 1990
ADDENDA TO ASME PVHO-1- 1990 EDITION SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
April 15, 1990
SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
July 15, 1988
ADDENDA TO ASME/ANSI PVHO-1-87 SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
February 15, 1987
SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY; ERRATA - FEBRUARY 1987
A description is not available for this item.
February 15, 1987
ADDENDA TO ASME/ANSI PVHO-1-87 SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
February 15, 1987
ADDENDA TO ASME/ANSI PVHO-1-87 SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
April 30, 1985
ADDENDA TO ANSI/ASME PVHO-1-1984 SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
August 31, 1984
SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
A description is not available for this item.
October 15, 1977
SAFETY STANDARD FOR PRESSURE VESSELS FOR HUMAN OCCUPANCY
This Standard provides minimum requirements for the design, fabrication, inspection, testing and stamping of pressure vessels for human occupancy, hereafter called Chambers. This does not include...

References

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