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USACE / NAVFAC / AFCEC / NASA UFGS-33 63 23 (April 2006)
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Preparing Activity: NAVFAC Replacing without change
UFGS-0255
4 (August 2004)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated October 2022
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SECTION TABLE OF CONTENTS
DIVISION 33 - UTILITIES
SECTION 33 63 23
EXTERIOR ABOVEGROUND STEAM DISTRIBUTION
04/06
PART 1 GENERAL
1.1 REFERENCES
1.2 SYSTEM DESCRIPTION
1.3 SUBMITTALS
1.4 QUALITY ASSURANCE
1.4.1 Certification of Welder's Qualifications
PART 2 PRODUCTS
2.1 PIPING
2.1.1 Steam Pipe
2.1.2 Condensate Pipe
2.1.3 Buried Steel Piping to Cooling Well or Drain
2.2 FITTINGS
2.2.1 Threaded Fittings
2.2.2 Socket Welding Fittings
2.2.3 Buttwelding Fittings
2.2.4 Eccentric Reducing Fittings
2.2.5 Flanges and Unions
2.2.5.1 Flanges
2.2.5.2 Unions
2.2.6 Gaskets, Bolts, Nuts, and Washers
2.3 VALVES
2.3.1 Valves for Steam Service
2.3.1.1 Gate Valves, Globe Valves, Angle Valves, and Check Valves
2.3.1.2 Steam Pressure Regulating Valves
2.3.1.3 Safety-Relief Valves
2.3.2 Valves for Condensate Service
2.3.2.1 Gate Valves
2.3.2.2 Globe and Angle Valves
2.3.2.3 Check Valves
2.4 PIPING ACCESSORIES
2.4.1 Pipe Hangers and Supports
SECTION 33 63 23 Page 1
