NFPA 15 : 2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
WATER SPRAY FIXED SYSTEMS FOR FIRE PROTECTION
Hardcopy
10-15-2021
English
01-01-2017
Chapter 1 - Administration
Chapter 2 - Referenced Publications
Chapter 3 - Definitions
Chapter 4 - General Requirements
Chapter 5 - System Components
Chapter 6 - Installation Requirements
Chapter 7 - Design Objectives
Chapter 8 - Plans and Hydraulic Calculations
Chapter 9 - Water Supplies
Chapter 10 - System Acceptance
Chapter 11 - System Inspection, Testing, and Maintenance
Chapter 12 - Ultra-High-Speed Water Spray Systems
Annex A - Explanatory Material
Annex B - Hydraulic Calculations
Annex C - Informational References
Index
Explains the minimum requirements for the design, installation, and system acceptance testing of water spray fixed systems for fire protection service and the minimum requirements for the periodic testing and maintenance of ultra-high-speed water spray fixed systems.
DevelopmentNote |
Supersedes WW H 171 (E). (08/2004) 2012 version is also available in Spanish Language, See NFPA 15 SPANISH. (08/2012)
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DocumentType |
Standard
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Pages |
83
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PublisherName |
National Fire Protection Association
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Status |
Superseded
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SupersededBy | |
Supersedes |
NFPA 325M : 1991 | FIRE HAZARD PROPERTIES OF FLAMMABLE LIQUIDS, GASES, AND VOLATILE SOLIDS |
FM 1020 : 2007 | AUTOMATIC WATER CONTROL VALVES |
11/30159581 DC : 0 | BS EN ISO 23251 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
IEEE 690-2004 | IEEE Standard for the Design and Installation of Cable Systems for Class 1E Circuits in Nuclear Power Generating Stations |
API RP 2030 : 2014 | APPLICATION OF FIXED WATER SPRAY SYSTEMS FOR FIRE PROTECTION IN THE PETROLEUM AND PETROCHEMICAL INDUSTRIES |
API 521 : 2014 | PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
ISO 21789:2009 | Gas turbine applications — Safety |
13/30279579 DC : 0 | BS ISO 19372 - MICROTURBINES APPLICATIONS - SAFETY |
NFPA 25 : 2017 | INSPECTION, TESTING, AND MAINTENANCE OF WATER-BASED FIRE PROTECTION SYSTEMS |
FM 2021,25 : 2010 | AUTOMATIC AND OPEN WATER-SPRAY NOZZLES FOR INSTALLATION IN PERMANENTLY PIPED SYSTEMS |
NFPA 1142 : 2017 | WATER SUPPLIES FOR SUBURBAN AND RURAL FIRE FIGHTING |
Z276-18 | Liquefied natural gas (LNG) - Production, storage, and handling |
NFPA 61B : 1989 | PREVENTION OF FIRES AND EXPLOSIONS IN GRAIN ELEVATORS AND FACILITIES HANDLING BULK RAW AGRICULTURAL COMMODITIES |
PREN ISO 23251 : DRAFT 2011 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
NFPA 25 HANDBOOK : 2011 | INSPECTION, TESTING, AND MAINTENANCE OF WATER-BASED FIRE PROTECTION SYSTEMS HANDBOOK |
NFPA 820 : 2016 | FIRE PROTECTION IN WASTEWATER TREATMENT AND COLLECTION FACILITIES |
NFPA 804 : 2015 | FIRE PROTECTION FOR ADVANCED LIGHT WATER REACTOR ELECTRIC GENERATING PLANTS |
NFPA 909 : 2017 | PROTECTION OF CULTURAL RESOURCE PROPERTIES - MUSEUMS, LIBRARIES, AND PLACES OF WORSHIP |
NFPA 37 : 2018 | INSTALLATION AND USE OF STATIONARY COMBUSTION ENGINES AND GAS TURBINES |
NFPA 805 : 2015 | PERFORMANCE-BASED STANDARD FOR FIRE PROTECTION FOR LIGHT WATER REACTOR ELECTRIC GENERATING PLANTS |
NFPA 914 : 2015 | FIRE PROTECTION OF HISTORIC STRUCTURES |
NFPA 40 : 2016 | STORAGE AND HANDLING OF CELLULOSE NITRATE FILM |
NFPA 45 : 2015 | FIRE PROTECTION FOR LABORATORIES USING CHEMICALS |
NFPA 214 : 2016 | WATER-COOLING TOWERS |
NFPA 10 : 2018 | PORTABLE FIRE EXTINGUISHERS |
NFPA 30 : 2018 | FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE |
NFPA 18 : 2017 | WETTING AGENTS |
NFPA 555 : 2017 | METHODS FOR EVALUATING POTENTIAL FOR ROOM FLASHOVER |
NFPA 18A : 2017 | WATER ADDITIVES FOR FIRE CONTROL AND VAPOR MITIGATION |
NFPA 122 : 2015 | FIRE PREVENTION AND CONTROL IN METAL/NONMETAL MINING AND METAL MINERAL PROCESSING FACILITIES |
NFPA 35 : 2016 | MANUFACTURE OF ORGANIC COATINGS |
NFPA 31 : 2016 | INSTALLATION OF OIL-BURNING EQUIPMENT |
NFPA 851 : 2010 | FIRE PROTECTION FOR HYDROELECTRIC GENERATING PLANTS |
NFPA 502 : 2017 | ROAD TUNNELS, BRIDGES, AND OTHER LIMITED ACCESS HIGHWAYS |
NFPA 415 : 2016 | AIRPORT TERMINAL BUILDINGS, FUELING RAMP DRAINAGE, AND LOADING WALKWAYS |
NFPA 87 : 2018 | FLUID HEATERS |
NFPA 34 : 2018 | DIPPING, COATING, AND PRINTING PROCESSES USING FLAMMABLE OR COMBUSTIBLE LIQUIDS |
NFPA 400 : 2016 | HAZARDOUS MATERIALS CODE |
NFPA 850 : 2015 | FIRE PROTECTION FOR ELECTRIC GENERATING PLANTS AND HIGH VOLTAGE DIRECT CURRENT CONVERTER STATIONS |
NFPA 750 : 2015 | WATER MIST FIRE PROTECTION SYSTEMS |
NFPA 5000 : 2018 | BUILDING CONSTRUCTION AND SAFETY CODE |
NFPA 59 : 2018 | UTILITY LP-GAS PLANT CODE |
NFPA 11 : 2016 | LOW-, MEDIUM-, AND HIGH-EXPANSION FOAM |
MSS SP 69 : 2003 | PIPE HANGERS AND SUPPORTS - SELECTION AND APPLICATION |
NFPA 419 : 1992 | MASTER PLANNING AIRPORT WATER SUPPLY SYSTEMS FOR FIRE PROTECTION |
NFPA 86C : 1999 | INDUSTRIAL FURNACES USING A SPECIAL PROCESSING ATMOSPHERE |
NFPA 30B : 2015 | CODE FOR THE MANUFACTURE AND STORAGE OF AEROSOL PRODUCTS |
FM 1421 : 2007 | MONITOR ASSEMBLY |
NFPA 903 : 1996 | FIRE REPORTING PROPERTY SURVEY GUIDE |
API 1115:1994 | RECOMMENDED PRACTICE ON THE OPERATION OF SOLUTION-MINED UNDERGROUND STORAGE FACILITIES |
NFPA 121 : 2001 | FIRE PROTECTION FOR SELF-PROPELLED AND MOBILE SURFACE MINING EQUIPMENT |
NFPA 654 : 2017 | PREVENTION OF FIRE AND DUST EXPLOSIONS FROM THE MANUFACTURING, PROCESSING, AND HANDLING OF COMBUSTIBLE PARTICULATE SOLIDS |
NFPA 901 : 2016 | CLASSIFICATIONS FOR INCIDENT REPORTING AND FIRE PROTECTION DATA |
NFPA 416 : 1993 | CONSTRUCTION AND PROTECTION OF AIRPORT TERMINAL BUILDINGS |
NFPA 664 : 2017 | PREVENTION OF FIRES AND EXPLOSIONS IN WOOD PROCESSING AND WOODWORKING FACILITIES |
NFPA 71 : 1989 | INSTALLATION, MAINTENANCE, AND USE OF SIGNALING SYSTEMS FOR CENTRAL STATION SERVICE |
ABS 0236 : 2016 | GUIDE FOR CERTIFICATION OF OFFSHORE ACCESS GANGWAYS |
FM 3265 : 2017 | SPARK DETECTION AND EXTINGUISHING SYSTEMS |
API 2218 : 2013 | FIREPROOFING PRACTICES IN PETROLEUM AND PETROCHEMICAL PROCESSING PLANTS |
NFPA 59A : 2016 | PRODUCTION, STORAGE, AND HANDLING OF LIQUEFIED NATURAL GAS (LNG) |
NFPA 2 : 2016 | HYDROGEN TECHNOLOGIES CODE |
NFPA 52 : 2016 | VEHICULAR NATURAL GAS FUEL SYSTEMS CODE |
NFPA 120 : 2015 | FIRE PREVENTION AND CONTROL IN COAL MINES |
NFPA 58 : 2017 | LIQUEFIED PETROLEUM GAS CODE |
NFPA 801 : 2014 | FIRE PROTECTION FOR FACILITIES HANDLING RADIOACTIVE MATERIALS |
NFPA 91 : 2015 | EXHAUST SYSTEMS FOR AIR CONVEYING OF VAPORS, GASES, MISTS, AND PARTICULATE SOLIDS |
I.S. EN ISO 14224:2016 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT (ISO 14224:2016) |
NASA-STD-8719.11B:2020 | STANDARD FOR FIRE PROTECTION AND LIFE SAFETY |
ANSI B11.17 : 2004 : R2015 | SAFETY REQUIREMENTS FOR HORIZONTAL HYDRAULIC EXTRUSION PRESSES |
ANSI B11.17 : 2004 : R2009 | SAFETY REQUIREMENTS FOR HORIZONTAL HYDRAULIC EXTRUSION PRESSES |
UNI EN ISO 23251 : 2008 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
NFPA 803 : 1998 | FIRE PROTECTION FOR LIGHT WATER NUCLEAR POWER PLANTS |
NFPA 1 : 2021 | FIRE CODE |
ANSI N665 : 1985 | FIRE PROTECTION FOR LWR FUEL FABRICATION FACILITIES, |
UFC 3-600-01 : Change 2 | UNIFIED FACILITIES CRITERIA - FIRE PROTECTION ENGINEERING FOR FACILITIES |
NFPA 417 : 1990 | CONSTRUCTION AND PROTECTION OF AIRCRAFT LOADING WALKWAYS |
API 1115 : 1994 : R2007 | RECOMMENDED PRACTICE ON THE OPERATION OF SOLUTION-MINED UNDERGROUND STORAGE FACILITIES |
15/30303554 DC : 0 | BS ISO 18647 - SPECIFICATIONS FOR OFFSHORE MODULAR DRILLING RIGS ON FIXED PLATFORMS |
NFPA 3 : 2018 | COMMISSIONING OF FIRE PROTECTION AND LIFE SAFETY SYSTEMS |
BS ISO 21789:2009 | Gas turbine applications — Safety |
NFPA 36 : 2017 | SOLVENT EXTRACTION PLANTS |
NFPA 1620 : 2015 | PRE-INCIDENT PLANNING |
NFPA 61 : 2017 | PREVENTION OF FIRES AND DUST EXPLOSIONS IN AGRICULTURAL AND FOOD PROCESSING FACILITIES |
NFPA 903M : 1986 | FIRE REPORTING PROPERTY SURVEY MANUAL |
NFPA 802 : 1993 | NUCLEAR RESEARCH AND PRODUCTION REACTORS |
NFPA 921 : 2017 | GUIDE FOR FIRE AND EXPLOSION INVESTIGATIONS |
FM 1530 : 2016 | FIRE DEPARTMENT CONNECTIONS |
API 2610 : 2005 : R2010 | DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES |
ISO 19372:2015 | Microturbines applications — Safety |
NFPA 101 : 2018 | LIFE SAFETY CODE |
ISO 14224:2016 | Petroleum, petrochemical and natural gas industries Collection and exchange of reliability and maintenance data for equipment |
NFPA 61 : 2020 | PREVENTION OF FIRES AND DUST EXPLOSIONS IN AGRICULTURAL AND FOOD PROCESSING FACILITIES |
NASA KSC STD Z 0006 : 1995 | DESIGN OF HYPERGOLIC PROPELLANTS GROUND SUPPORT EQUIPMENT, STANDARD FOR |
CSA N293 : 2012 : INC : UPD 1 : 2017 : R201700 | FIRE PROTECTION FOR NUCLEAR POWER PLANTS |
CSA N293 : 2012(R2018) | FIRE PROTECTION FOR NUCLEAR POWER PLANTS |
ICC 2012 INTERNATIONAL FIRE CODE : 2012 | INTERNATIONAL FIRE CODE |
I.S. EN ISO 23251:2007 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
ICC IFC CODE & COMMENTARY VOLUME 1 & 2 : 2015 | IFC® Code and Commentary |
NASA STD 8719.12 : 2010 | SAFETY STANDARD FOR EXPLOSIVES, PROPELLANTS, AND PYROTECHNICS |
CSA N293 : 2012 | FIRE PROTECTION FOR NUCLEAR POWER PLANTS |
ANSI N304 : 1986 | NUCLEAR FUEL FACILITIES FOR REPROCESSING FUEL-FIRE PROTECTION, |
NASA STD 8719.11 : 2008 | SAFETY STANDARD FOR FIRE PROTECTION |
NFPA 86D : 1999 | INDUSTRIAL FURNACES USING VACUUM AS AN ATMOSPHERE |
FM 5551 : 1963 | STRAINERS FOR USE WITH WATER BASED FIRE PROTECTION SYSTEMS |
NFPA 43B : 1993 | STORAGE OF ORGANIC PEROXIDE FORMULATIONS |
WW-H-171 Revision E:1977 | HANGERS & SUPPORTS, PIPE (FOR DOD USE - ANSI/MSS-SP-58, ANSI/MSS-SP-69, NFPA 11, 12, 13, 14, 15, 16 & 17 |
NFPA 409 : 2016 | AIRCRAFT HANGARS |
NFPA 432 : 2002 | CODE FOR THE STORAGE OF ORGANIC PEROXIDE FORMULATIONS |
NFPA 72D : 1986 | INSTALLATION, MAINTENANCE, AND USE OF PROPRIETARY PROTECTIVE SIGNALING SYSTEMS |
04/30127186 DC : DRAFT DEC 2004 | ISO 23251 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
API RP 2021 : 2001 | MANAGEMENT OF ATMOSPHERIC STORAGE TANK FIRES |
API 2021 : 2001 : R2006 | MANAGEMENT OF ATMOSPHERIC STORAGE TANK FIRES |
IEEE 979-2012 | IEEE Guide for Substation Fire Protection |
NFPA 22 : 2018 | WATER TANKS FOR PRIVATE FIRE PROTECTION |
API 2610:2005 | DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES |
MSS SP 58 : 2009 | PIPE HANGERS AND SUPPORTS - MATERIALS, DESIGN, MANUFACTURE, SELECTION, APPLICATION, AND INSTALLATION |
ISO 23251:2006 | Petroleum, petrochemical and natural gas industries Pressure-relieving and depressuring systems |
BS ISO 19372:2015 | Microturbines applications. Safety |
BS EN ISO 23251 : 2007 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
ABS 0063 : 2018 COR 2018 | RULES FOR BUILDING AND CLASSING FACILITIES ON OFFSHORE INSTALLATIONS |
UFC 3-601-02 : 2010 | UNIFIED FACILITIES CRITERIA - OPERATIONS AND MAINTENANCE: INSPECTION, TESTING, AND MAINTENANCE OF FIRE PROTECTION SYSTEMS |
BS ISO 23251 : 2006 AMD 17355 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
API 2021 : 2001 : R2015 | MANAGEMENT OF ATMOSPHERIC STORAGE TANK FIRES |
CSA N393:13 (R2018) | Fire protection for facilities that process, handle, or store nuclear substances |
NFPA 30 FRENCH : 1996 | FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE |
API 2001 : 2012 | FIRE PROTECTION IN REFINERIES |
OLF 075 : 2015 | RECOMMENDED GUIDELINES FOR WATER-BASED FIREFIGHTING SYSTEMS |
NFPA 1 : 2018 | FIRE CODE |
NFPA 804 : 2020 | FIRE PROTECTION FOR ADVANCED LIGHT WATER REACTOR ELECTRIC GENERATING PLANTS |
BS EN ISO 14224:2016 | Petroleum, petrochemical and natural gas industries. Collection and exchange of reliability and maintenance data for equipment |
NFPA 18:2021 | Standard on Wetting Agents |
API RP 2001:2019 | Fire Protection in Refineries |
NFPA 86:2023 | Standard for Ovens and Furnaces |
NFPA 909:2021 | Code for the Protection of Cultural Resource Properties - Museums, Libraries, and Places of Worship |
NFPA 801:2025 | Standard for Fire Protection for Facilities Handling Radioactive Materials |
ICC IFC International Fire Code:2021 | International Fire Code |
NFPA 22:2023 | WATER TANKS FOR PRIVATE FIRE PROTECTION |
NFPA 11:2024 | Standard for Low-, Medium, and High-Expansion Foam |
NFPA 58:2020 | Liquefied Petroleum Gas Code. |
NFPA 654 : 2020 | Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids |
NFPA 664:2020 | Standard for the Prevention of Fires and Explosions in Wood Processing and Woodworking Facilities |
NFPA 484:2022 | Standard for Combustible Metals |
NFPA 502:2023 | Standard for Road Tunnels, Bridges, and Other Limited Access Highways |
ANSI/MSS SP-58:2018 | PIPE HANGERS AND SUPPORTS Materials, Design, Manufacture, Selection, Application, and Installation (ANSI-approved American National Standard) |
NFPA 35:2021 | Standard for the Manufacture of Organic Coatings |
NFPA 805 : 2020 | Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants |
NFPA 850:2020 | Recommended Practice for Fire Protection for Electric Generating Plants and High Voltage Direct Current Converter Stations |
NFPA 1620 : 2020 | Standard for Pre-Incident Planning |
NFPA 52:2023 | Vehicular Natural Gas Fuel Systems Code |
NFPA 555:2021 | Guide on Methods for Evaluating Potential for Room Flashover |
NFPA 58:2024 | Liquefied Petroleum Gas Code |
NFPA 652 : 2019 | FUNDAMENTALS OF COMBUSTIBLE DUST |
PIP VEETA001 : 2016 | TANK SELECTION GUIDE |
AWS B2.2/B2.2M : 2010 | SPECIFICATION FOR BRAZING PROCEDURE AND PERFORMANCE QUALIFICATION |
NFPA 22 : 2013 | WATER TANKS FOR PRIVATE FIRE PROTECTION |
NFPA 750 : 2015 | WATER MIST FIRE PROTECTION SYSTEMS |
NFPA 25 : 2017 | INSPECTION, TESTING, AND MAINTENANCE OF WATER-BASED FIRE PROTECTION SYSTEMS |
ASME PV CODE 9 : 2017 | BOILER AND PRESSURE VESSEL CODE - WELDING, BRAZING, AND FUSING QUALIFICATIONS - QUALIFICATION STANDARD FOR WELDING, BRAZING, AND FUSING PROCEDURES; WELDERS; BRAZERS; AND WELDING, BRAZING, AND FUSING OPERATORS |
NFPA 1963 : 2014 | FIRE HOSE CONNECTIONS |
ASME B16.11 : 2016 | FORGED FITTINGS, SOCKET-WELDING AND THREADED |
NFPA 69 : 2014 | EXPLOSION PREVENTION SYSTEMS |
IEEE/ASTM SI_10-2010 | American National Standard for Metric Practice |
NFPA 24 : 2016 | INSTALLATION OF PRIVATE FIRE SERVICE MAINS AND THEIR APPURTENANCES |
NFPA 1964 : 2013 | SPRAY NOZZLES |
ASME B16.18 : 2012 | Cast Copper Alloy Solder Joint Pressure Fittings (B16.18 - 2012)<br> |
AWS A5.8/A5.8M : 2013 | SPECIFICATION FOR FILLER METALS FOR BRAZING AND BRAZE WELDING |
ASME B16.1 : 2015 | Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250 |
ASTM A 795/A795M : 2013 : REDLINE | Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use |
ASME B1.20.1 : 2013(R2018) | PIPE THREADS, GENERAL PURPOSE (INCH) |
NFPA 68 : 2013 | EXPLOSION PROTECTION BY DEFLAGRATION VENTING |
NFPA 14 : 2016 | INSTALLATION OF STANDPIPE AND HOSE SYSTEMS |
ASTM B 88 : 2016 : REDLINE | Standard Specification for Seamless Copper Water Tube |
IEEE C2-2017 | NATIONAL ELECTRICAL SAFETY CODE (NESC)(R) |
AWS B2.1/B2.1M : 2014 | SPECIFICATION FOR WELDING PROCEDURE AND PERFORMANCE QUALIFICATION |
NFPA 51B : 2014 | FIRE PREVENTION DURING WELDING, CUTTING, AND OTHER HOT WORK |
ASME B36.10M : 2015 | WELDED AND SEAMLESS WROUGHT STEEL PIPE |
NFPA 70 : 2017 | NATIONAL ELECTRICAL CODE |
NFPA 72 : 2016 | NATIONAL FIRE ALARM AND SIGNALING CODE |
NFPA 13 : 2016 | INSTALLATION OF SPRINKLER SYSTEMS |
ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
NFPA 30 : 2018 | FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE |
ASME B16.4 : 2016 | GRAY IRON THREADED FITTINGS: CLASSES 125 AND 250 |
ASME B16.9 : 2012 | FACTORY-MADE WROUGHT BUTTWELDING FITTINGS |
ASME B36.19 : 1976 | STAINLESS STEEL PIPE |
ASTM A 312/A312M : 2017-03 | SPECIFICATION FOR SEAMLESS, WELDED, AND HEAVILY COLD WORKED AUSTENITIC STAINLESS STEEL PIPES |
ASME B16.22 : 2013 | WROUGHT COPPER AND COPPER ALLOY SOLDER-JOINT PRESSURE FITTINGS |
NFPA 20 : 2016 | INSTALLATION OF STATIONARY PUMPS FOR FIRE PROTECTION |
ASME B16.25 : 2012 | BUTTWELDING ENDS |
ASME B16.3 : 2016 | MALLEABLE IRON THREADED FITTINGS: CLASSES 150 AND 300 |
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