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NPFC - MIL-DTL-18182

UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)

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Organization: NPFC
Publication Date: 4 December 2002
Status: active
Page Count: 10
scope:

This specification covers forged steel threaded pipe unions having ground joint union seats adaptable for severe conditions.

intended Use:

Unions covered by this specification are suitable for use on systems involving high pressure saturated or superheated steam, hot or cold water, hot or cold non-corrosive oil, gas, air, or other... View More

Document History

MIL-DTL-18182
March 22, 2018
Union, Pipe, Forged Steel, Threaded, Water-Oil-Gas (2,000, 3,000 and 6,000 Lb/IN2)
A description is not available for this item.
MIL-DTL-18182
September 19, 2007
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000 AND 6,000 LB/IN2)
Unions covered by this specification are suitable for use on systems involving high pressure saturated or superheated steam, hot or cold water, hot or cold non-corrosive oil, gas, air, or other...
MIL-DTL-18182
December 4, 2002
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
Unions covered by this specification are suitable for use on systems involving high pressure saturated or superheated steam, hot or cold water, hot or cold non-corrosive oil, gas, air, or other...
MIL-U-18182
March 29, 1991
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
Unions covered by this specification are suitable for use on systems involving high pressure saturated or superheated steam, hot or cold water, hot or cold noncorrosive oil, gas, air, or other fluids.
MIL-U-18182
March 30, 1989
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182
April 20, 1984
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182C (1)
January 16, 1981
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182
September 20, 1978
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182B
April 19, 1970
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182A (1)
June 15, 1967
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182A
October 24, 1962
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182 (1)
April 15, 1955
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
MIL-U-18182
September 2, 1954
UNION, PIPE, FORGED STEEL, THREADED, WATER-OIL-GAS (2,000, 3,000, AND 6,000 LB/IN2)
A description is not available for this item.
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References

This document references:
MSS SP 25 - Standard Marking System for Valves, Fittings, Flanges, and Unions
Published by MSS on January 1, 2018
This standard marking system applies to the marking of new valves, fittings, flanges, and unions used in piping connections that include (but are not limited to) flanged, soldered, brazed, threaded,...
This document references:
ASME B1.20.1 - Pipe Threads, General Purpose (Inch)
Published by ASME on November 15, 2013
This Standard covers dimensions and gaging of pipe threads of the following series: NPT NPSC NPTR NPSM NPSL
This document references:
ASME B36.10M - Welded and Seamless Wrought Steel Pipe
Published by ASME on October 12, 2018
This Standard covers the standardization of dimensions of welded and seamless wrought steel pipe for high or low temperatures and pressures. The word pipe is used, as distinguished from tube, to...
This document references:
MSS SP 83 - Class 3000 and 6000 Pipe Unions, Socket Welding and Threaded (Carbon Steel, Alloy Steel, Stainless Steels, and Nickel Alloys)
Published by MSS on January 1, 2018
This Standard Practice contains envelope and other essential dimensions, finish, tolerances, testing, marking, material, and minimum performance requirements for forged carbon steel, alloy steel,...
This document references:
ASTM A105/A105M - Standard Specification for Carbon Steel Forgings for Piping Applications
Published by ASTM on January 1, 2021
This specification2 covers forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. Included are flanges, fittings, valves, and similar parts ordered...
This document references:
A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
April 1, 2023
This specification covers zinc coatings applied by the hot-dip process on iron and steel hardware. The hot-dip galvanizing process consists of parts being immersed in molten zinc for a sufficient...
This document references:
ASTM A181/A181M - Standard Specification for Carbon Steel Forgings, for General-Purpose Piping
Published by ASTM on October 1, 2014
This specification2 covers nonstandard as-forged fittings, valve components, and parts for general service. Forgings made to this specification are limited to a maximum weight of 10 000 lb [4540 kg]....
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