bridgehead water cycle

bridgehead water cycle, Total:260 items.

The international standard classification for "bridgehead water cycle" includes: Installations in buildings , Solid fuels , Examination of biological properties of water , Other lifting equipment , Miscellaneous domestic and commercial equipment , Chemical analysis , Water for industrial use , Pollution, pollution control and conservation , Refrigerating technology , Other textile machinery , Hydraulic energy engineering , Reproduction equipment , Transformers. Reactors , Water supply systems , Power stations in general , Fishing and fish breeding .

The Chinese standard classification for "bridgehead water cycle" includes: Oceanology , Basic standards and general methods for water treatment agent , Outdoor water supply and draining engineering , Coal dressing , Hoisting machinery , Others , Analysis methods for toxic substances in water , Refrigeration equipment , Spinning machinery and apparatus , Chemical equipment , Power plant and electric power system operating maintenance , Printing machinery , Transformer , Water power engineering , Water supply and draining engineering in general , Others , Cement and cement product equipment , Marine aquaculture and product , Technical management .

Guangdong Provincial Standard of the People's Republic of China

DB44/T 2191-2019 Standards for waste water recycling in stone production enterprises
DB44/T 115-2000 Central air-conditioning circulating water and circulating cooling water quality standards

Professional Standard - Ocean

HY/T 0187.5-2021 Specification for design of recirculating cooling seawater system—Part 5:Recirculating cooling water field

Hubei Provincial Standard of the People's Republic of China

DB4201/T 608-2019 Technical regulations for pond microcirculation flow water culture
DB42/T 1762-2021 Technical specification for construction of bridge prestressed tunnel with circulating grouting

Jilin Provincial Standard of the People's Republic of China

DB22/T 2135-2014 Circulating water ecological toilet

未注明发布机构

AGFW FW 523-2 M E:2010-12 Hot water production systems - circulation systems -
AGFW FW 510 A:2011-06 Circulating cooling water requirements and operation suggestions
AGFW FW 312 M:2014-12 Requirements for circulation water in district cooling systems
DVGW W Information Nr 85:2015-03 Nitrogen cycle in groundwater

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 35051-2018 Grade for closed process water circuit in coal preparation plant
GB/T 44325-2024 Technical specification for zero discharge of industrial circulating cooling water
GB/T 25861-2023 Water-source high temperature heat pumps using the vapor compression cycle
GB/T 29363-2012 Water chiller with the vapor compression cycle for nuclear power plant
GB/T 32116-2015 Determination of total organic carbon(TOC) in industrial circulating cooling water
GB/T 13689-2007 Water for industrial circulating cooling system and boiler—Determination of copper
GB/T 12149-2017 Determination of silica in water for industrial circulating cooling system and boiler
GB/T 12149-2007 Water for industrial circulating cooling system and boiler—Determination of silica
GB/T 27545-2011 Level circulating mechanical parking system
GB/T 23248-2020 Code for design of seawater treatment for recirculating cooling seawater system
GB/T 27545-2024 Horizontal circulating mechanical parking system
GB/T 15451-1995 Industrial circulating cooling water-Determination of alkalinity
GB/T 23248-2009 Code for design of seawater treatment for recirculating cooling seawater system
GB/T 31306-2014 Circulating water temperature regulator for aquariums and similar application
GB/T 31329-2014 Technical specification for saving water of circulating cooling water
GB/T 32107-2015 Code for recirculating cooling water treatment by ozone
GB/T 25861-2010 Water-source high temperature heat pumps using the vapor compression cycle
GB/T 6904-2008 Water used in industrial circulating cooling system and boiler - Determination of pH
GB/T 14424-2008 Industrial circulating cooling water-Determination of residual chlorine
GB/T 40392-2021 Detection of Legionella in circulating cooling water

Professional Standard - Textile

FZ/T 93081-2012 Recycle water treatment equipment for spun-laced machine

Professional Standard - Chemical Industry

HG/T 4270-2011 Vacuum deaerator of circulating water system
HG/T 3609-2000 Principle for water quality analytical methods of industrial circulating cooling water
HG/T 3525-1985 Industrial circulating cooling water.Determination of aluminium
HG/T 3525-2011 Industrial circulating cooling water-Determination of aluminum
HG/T 3923-2007 Reusing wastewater quality standard for industrial circulating cooling water
HG/T 4542-2013 Circulating Cooling Water - Determination of Polyepoxysuecinic Acid

Liaoning Provincial Standard of the People's Republic of China

DB21/T 3874-2023 Design specifications for factory-based circulating water aquaculture ponds for marine fish
DB21/T 3570-2022 Technical specification for water treatment of shrimp culture in circulating water
DB21/T 2350-2024 Technical specification for water treatment in industrial recirculating aquaculture system for marine fish

Group Standards of the People's Republic of China

T/ZZB 018-2015 Intelligent hot water circulating canned pump
T/CASME 1324-2024 Hydraulic power head for automatic workpiece cycle processing
T/FSS 41-2024 Water chilling package using the vapor compression cycle
T/CIPR 119-2023 Technical conditions of pig house wastewater recycling treatment equipment
T/CECS 872-2021 Technical specification for water treatment engineering of building circulating cooling water system
T/DASI 006-2020 Recyclable water-soluble machining coolant
T/KT S008888-2019 Water Quality Standards for Centralized Air Conditioning Circulating Water System
T/CHBAS 6-2021 Waste water is used as circulating cooling water technical specification for zero emission treatment
T/SCMES 9-2021 A recycling purification and sterilization device for bottle washing water
T/ZZB 038-2015 Water chiller with the vapor compression cycle for nuclear power plant
T/GDES 16-2017 The specification of waste water recycling for stone industry
T/FSS 20-2024 Domestic gas instantaneous water heater with circulating preheating function
T/ZJSC 0004-2025 Technical specifications for greenhouse circulating water aquaculture of American shad
T/CIET 1083-2025 Technical specifications for recycling of salt-containing dyeing wastewater
T/KT s8888-2018 Water Quality Standards for Centralized Air Conditioning Circulating Water System

Shandong Provincial Standard of the People's Republic of China

DB37/T 2769-2016 Technical specifications for marine fish recirculating aquaculture

Professional Standard - Urban Construction

CJ/T 534-2018 Circulating water pump for swimming pool and SPA pool

Professional Standard - Machinery

JB/T 11123-2010 Printing machinery-Damping water circulating system
JB/T 13705-2019 Intelligent hot water circulation canned motor pumps
JB/T 8316-2007 Forced-oil and water coolers for transformer
JB/T 8316-2025 Forced-oil and water coolers for transformer
JB/T 12594-2016 Wet ESP-Ash water recycling device
JB/T 8316-1996 Strong oil circulating water cooler for transformer

Ministry of Housing and Urban-Rural Development of the People's Replublic of China

GB/T 50102-2003 Code for design of cooling for industrial recirculating water
GB/T 50102-2014 Code for design of cooling for industrial recirculating water
GB/T 50746-2012 Code for design of petrochemical recirculation cooling water unit
GB/T 50050-2017 Code for design of industrial recirculating cooling water treatment
GB 50050-2007 Code for Design of Industrial Recirculating Cooling Water Treatmen
GB 50050-1995 Code for design of industrial recirculating cooling water treatment

Ningxia Provincial Standard of the People's Republic of China

DB64/T 2075-2024 Standard for Recirculating Aquaculture Water Channel Technology in Pond

Professional Standard - Coal

MT/T 810-1999 Grade for closed water circuit of coal preparation plant

Henan Provincial Standard of the People's Republic of China

DB41/T 2733-2024 Technical Specifications for Koi Circulating Aquaculture

Professional Standard - Energy and Power Planning

DL/T 1116-2021 Standard test method for efficacy of microbicides used in cooling water system
DL/T 1132-2020 Maintenance guide for the electrical motor of boiler circulating pump in power plant
DL/T 1132-2009 Maintaining guide of boiler water circulating pump motor for power station
DL/T 806-2013 Scaling-corrosion Inhibitor of Recirculating Water System in Power Plants
DL/T 1116-2009 Standard test method for efficacy of microbicides used in cooling water system
DL/T 2481-2022 Operating Guidelines for Power Station Boiler Water Circulation Pump Motor
DL/T 2076-2019 Water saving technical specifications for recirculating water of thermal power plants
DL/T 5489-2014 Technical Code for Design of Inlet Flow Passage of Circulating Water Pump House of Fossil-fired Power Plant
DL/T 286-2012 Specification for hydraulic model test of pump intake structures of nuclear or fossil fuel power plants

Professional Standard - Building Materials

JC/T 2318-2015 Internal circulating separator for cement industry

Professional Standard - Energy

NB/T 10665-2021 Technical code of inlet flow passage of circulating water pump station for nuclear power plants
NB/T 25038-2014 Circulating water system commissioning program rule of PWR

Military Standard of the People's Republic of China-General Armament Department

GJB 9371-2018 General specifications for rebreathers
GJB 8039-2013 Testing methods for semi-closed circuit underwater apparatus

Zhejiang Provincial Standard of the People's Republic of China

DB33/T 711-2008 Guidelines for fish culture technology in industrial recirculation system
DB3301/T 1074-2018 Technical specifications for circulating water culture in ponds
DB33/T 2291-2020 Technical Specifications for Aquaculture in Circulating Flow Tanks in Ponds

Shaanxi Provincial Standard of the People's Republic of China

DB6111/T 187-2022 Technical specification for industrial aquaculture circulating water treatment

Hebei Provincial Standard of the People's Republic of China

DB13/T 5340-2021 Technical specification for pond engineering recirculating aquaculture
DB1302/T 586-2024 Technical regulations for engineered circulating water aquaculture in seawater ponds
DB13/T 1287-2010 Technical specification for steam turbine circulating water waste heat heating

Sichuan Provincial Standard of the People's Republic of China

DB51/T 2908-2022 Technical specifications for fish culture in pond circulating water

Guizhou Provincial Standard of the People's Republic of China

DB5223/T 46-2023 Technical specification for land-based ecological recirculating aquaculture

Hunan Provincial Standard of the People's Republic of China

DB43/T 2936-2024 Technical specifications for evaluation of industrial circulating water systems
DB43/T 2225-2021 Technical specifications for circulating water aquaculture in ponds
DB43/T 2984-2024 Technical regulations for recycling tail water from shrimp farming in rice fields

Professional Standard - Non-ferrous Metal

YS/T 1771-2024 Technical specification for recycling and utilization of copper smelting wastewater
YS/T 1404-2020 Technical specification for recycling and utilization of lead smelting wastewater

Professional Standard - Light Industry

QB/T 8097-2024 Air circulation fan

Tianjin Provincial Standard of the People's Republic of China

DB12/T 1168-2022 Technical Requirements for Seawater Industrialized Circulating Water IoT System

Professional Standard - Petrochemical Industry

SHJ 16-1990 Code for design of circulating water plants for petrochemical enterprises
SH 3016-1990 1990 Code for Design of Circulating Water Plants for Petrochemical Ente

Beijing Provincial Standard of the People's Republic of China

DB11/T 1663-2019 Technical specification for industrialized recirculating aquaculture system

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 1983-2012 Technical Specifications for Australian Grouper Recirculating Water Tank Culture
DB32/T 4191-2021 Technical specifications for pond engineering recirculating aquaculture
DB32/T 4254-2021 Technical specifications for pond engineering recirculating aquaculture

Professional Standard - Aquaculture

SC/T 6093-2019 Design code for recirculating aquaculture factory

Shanxi Provincial Standard of the People's Republic of China

DB14/T 675-2012 Guidelines for the Implementation of Circular Economy Evaluation in the Cement Industry

Fujian Provincial Standard of the People's Republic of China

DB35/T 1905-2020 Technical specification for industrial recirculating aquaculture of eel

Shanghai Provincial Standard of the People's Republic of China

DB31/T 960-2015 The regulating and testing methods of cooling tower water circulating system for energy saving

ICEA - Insulated Cable Engineers Association Inc.

P-56-520-1984 Cable Tray Flame Tests - A Round-Robin Study

RO-ASRO

STAS 4661-1981 OVERHEAD TRAVELLING CRANES Tracks and circulation spaces
STAS 3361/1-1987 Natural luel g'ases DETERMINATION OF IIEATING POWER IN A WATER CIRCULATION CALORIMETER

Insulated Cable Engineers Association （ICEA)

ICEA P-56-520-1984 Cable Tray Flame Tests - A Round-Robin Study

American Water Works Association (AWWA)

AWWA WQTC71649 Closing the Urban Water Cycle: Water Recycling in Singapore
AWWA ACE95296 Impact of Recycle Streams on Water Quality
AWWA ACE93181 Impacts of Recycle Streams on Finished Water Quality
AWWA MTC61141 Membranes in the Water Cycle — Achievements and Challenges
AWWA CONS51073 Cost Effectiveness of Water Conservation Programs: Water Recycling
AWWA WQTC52990 Membrane Bioreactors for Water Recycling
AWWA SOURCES55732 Water Recycling — South Tahoe Faces the Future
AWWA ACE99574 Economic Analysis of Regional Water Recycling Investments
AWWA 51861 Water Recycling in Food Processing Operations
AWWA REUSE52074 Evolution of South Bay Water Recycling Into the 21st Century
AWWA QTC98276 Scale Modeling of Water Storage Tanks to Improve Flow Circulation
AWWA WQTC50432 Water Quality Impacts of Filter Backwash Recycle
AWWA SOURCES55706 Aquifer Recharge: The Relevance of Boron Isotopes as an Environmental Tracer of Recycled Water

Military Standards (MIL-STD)

DOD A-A-54335-1991 PUMP, CIRCULATING

TIA - Telecommunications Industry Association

EIA-455-102-1988 FOTP-102 Water Pressure Cycling

Korean Agency for Technology and Standards (KATS)

KS B 8206-2024 Hot-water circulating pumps for boiler
KS B 8206-2019 Hot-water circulating pumps for boiler
KS B 8206-2014(2024) Hot-water circulating pumps for boiler
KS B 8206-2014 Hot-water circulating pumps for boiler
KS B 8206-1998 Hot-water circulating pumps for boiler
KS C 3119-1974 heateycle test for aluminium fittings
KS B 8296-2015 Solar water heaters(Thermosiphon, Forced circulation, Evacuated-tube integrated type)
KS V 4316-1982 Shipbuilding-Water cooled four cycle generator diesel engines
KS V 4316-2012 Shipbuilding-Water cooled four cycle generator diesel engines
KS C 6012-1982 Testing method of sealing(immersion cyclic) for electronic components
KS C 6012-1960 Testing method of sealing(immersion cyclic) for electronic components
KS M ISO 15270:2013 Plastics — Guidelines for recovery
KS V 4311-1984 Shipbuilding-Water cooled four cycle diesel engine for propelling use
KS M ISO 15270:2010 Plastics-Guidelines for recovery
KS V 4311-2009 Shipbuilding-Water cooled four cycle diesel engine for propelling use
KS K 3101-2007 Test methods for water flux of hollow fiber ultrafiltration membrane module for recycling wasterwater

British Standards Institution (BSI)

BS 6102-15:1991 Cycles. Specification for dimensions of spoke nipples
BS EN 17988-5:2024 Circular design of fishing gear and aquaculture equipment - Circular business models
BS EN 17988-4:2024 Circular design of fishing gear and aquaculture equipment - Environmental and circularity requirements and guidelines
BS EN 15194:2017+A1:2023 Cycles. Electrically power assisted cycles. EPAC Bicycles
BS ISO 59040:2025 Circular economy. Product circularity data sheet
23/30462540 DC BS EN 17988-4. Circular design of fishing gear and aquaculture equipment - Part 4. Environmental and circularity requirements and guidelines
BS ISO 59020:2024 Circular economy. Measuring and assessing circularity performance
23/30439281 DC ISO 59040 Circular economy. Product circularity data sheet
PD CEN/TS 17831:2023 Cycles. Electrically power assisted cycles. Anti-tampering measures
23/30462537 DC BS EN 17988-5. Circular design of fishing gear and aquaculture equipment - Part 5. Circular business model
BS EN 17404:2022 Cycles. Electrically power assisted cycles. EPAC Mountain bikes

Institute of Electrical and Electronics Engineers (IEEE)

IEEE Std 802.1Qch-2017 IEEE Standard for Local and metropolitan area networks—Bridges and Bridged Networks—Amendment 29: Cyclic Queuing and Forwarding
IEEE 802.1QCH-2017 Local and metropolitan area networks-Bridges and Bridged Networks-Amendment 29: Cyclic Queuing and Forwarding (IEEE Computer Society)

Standard Association of Australia （SAA）

AS 1926.3:2010(R2016) Swimming pool safety water circulation system
AS 1926.3:2010/Amdt 1:2011 Swimming pool safety water circulation system
AS ISO 59020:2024 Circular economy - Measuring and assessing circularity performance
AS 1926.3:1993 Swimming pool safety - Water recirculation and filtration systems
AS 1926.3:2003 Swimming pool safety - Water recirculation systems

YU-JUS

JUS M.E2.211-1993 Boiler plants - Recurrent testing - Water pressure test

US-FCR

FCR FED H-08-4 VOL 3 SEC II 611.0-1988 CIRCULATING PUMPS & EXPANSION TANK SYSTEM
FCR FED H-08-4 VOL 3 SEC I 440-1983 DUPLEX SODIUM CYCLE WATER SOFTENING PIPING DIAGRAM
FCR COE MOGS-11233-1983 WATER SOFTENERS, CATION-EXCHANGE (SODIUM CYCLE)

Ente Nazionale Italiano di Unificazione

UNI EN 12295:2001 Plastics piping systems - Thermoplastics pipes and associated fittings for hot and cold water - Test method for resistance of joints to pressure cycling
UNI 7555:1976 Nuclear installations. Primary circulation pumps of water reactors.
UNI ISO 10285:1995 Rolling b earings, linear lmotion, recirculating ball, sleeve type. Metric series.

CZ-CSN

CSN ON 04 7404-1964 Technical regulations for water jets and water recirculation
CSN ONA 30 9841-1964 Cycle pujnps.
CSN 11 0915-1957 loop expansion

Magyar Szabványügyi Testület

MSZ 4661-1957 Recyclable cans made of aluminum sheets
MNOSZ 15309-1952 R Construction of sewage purification circulation valve

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 6692:2008 Cycles - Marking of cycle components

CN-QIYE

Q/BYSB 1-2023 Water circulation purification pressure filter

International Association of Plumbing and Mechanical Officials

IAPMO PS 116-1999 Hot Water Circulating Devices Which Do not Use a Pump
IAPMO IGC 213-2005(2014) Closed-Loop Biological Wastewater System
IAPMO /ASSE IGC 384-2023 Digital Mixing Valves for Recirculating Hot Water Systems

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

ASHRAE AT-96-20-3-1996 Resorption Cycle Using Ammonia and Water
ASHRAE CH-99-16-4-1999 Control Strategies for Domestic Hot Water Recirculation Systems

International Organization for Standardization (ISO)

ISO/CD TS 21152:2024 Guidance on water saving techniques of circulating cooling water in thermal power plants
ISO/DIS 59040:2023 Circular economy — Product circularity data sheet
ISO/CD 59040 Circular Economy — Product Circularity Data Sheet
ISO 15270:2006 Plastics - Guidelines for the recovery and recycling of plastics waste
ISO/DIS 59020 Circular economy — Measuring and assessing circularity
ISO 59040:2025 Circular economy — Product circularity data sheet
ISO/FDIS 59020:2023 Circular economy — Measuring and assessing circularity performance
ISO 15270:2008 Plastics - Guidelines for the recovery and recycling of plastics waste
ISO 59020:2024 Circular economy — Measuring and assessing circularity performance
ISO 19892:2011 Plastics piping systems - Thermoplastics pipes and fittings for hot and cold water - Test method for the resistance of joints to pressure cycling
ISO/TR 59032:2024 Circular economy

Danish Standards Foundation

DS/INSTA 213:1990 Plastic pipies and fittings. Temperature cycling test
DANSK DS/EN 17988-5:2024 Circular design of fishing gear and aquaculture equipment – Part 5: Circular business models
DANSK DS/ISO 59040:2025 Circular economy – Product circularity data sheet
DANSK DS/EN 17988-4:2024 Circular design of fishing gear and aquaculture equipment – Part 4: Environmental and circularity requirements and guidelines
DS/EN 15496:2008 Cycles - Requirements and test methods for cycle locks
DANSK DS/ISO 59020:2024 Circular economy – Measuring and assessing circularity performance

Swedish Institute for Standards

SS-EN 17988-4:2024 Circular design of fishing gear and aquaculture equipment — Part 4: Environmental and circularity requirements and guidelines
SS-EN 17988-5:2024 Circular design of fishing gear and aquaculture equipment — Part 5: Circular business models
SS-EN 15496:2008 Cycles - Requirements and test methods for cycle locks
SS-EN 16297-3:2012 Pumps - Rotodynamic pumps - Glandless circulators - Part 3: Energy efficiency index (EEI) for circulators integrated in products

German Institute for Standardization

DIN EN 17988-5:2023 Circular design of fishing gear and aquaculture equipment - Part 5: Circular business model; German and English version prEN 17988-5:2023
DIN EN 17988-4:2023 Circular design of fishing gear and aquaculture equipment - Part 4: Environmental and circularity requirements and guidelines; German and English version prEN 17988-4:2023
DIN 6406:1966-02 Loops
DIN EN 17988-5 E:2023 Draft Document - Circular design of fishing gear and aquaculture equipment - Part 5: Circular business model; German and English version prEN 17988-5:2023
DIN EN 17988-5 E:2023-09 Draft Document - Circular design of fishing gear and aquaculture equipment - Part 5: Circular business model; German and English version prEN 17988-5:2023
DIN EN 17988-4 E:2023 Draft Document - Circular design of fishing gear and aquaculture equipment - Part 4: Environmental and circularity requirements and guidelines; German and English version prEN 17988-4:2023
DIN EN 17988-4 E:2023-09 Draft Document - Circular design of fishing gear and aquaculture equipment - Part 4: Environmental and circularity requirements and guidelines; German and English version prEN 17988-4:2023
DIN EN 14143:2003-12 Respiratory equipment - Self-contained re-breathing diving apparatus
DIN 3368-2:1989 Gas appliances, central heating boilers, combi-waterheaters; requirements, testing

American Society for Testing and Materials (ASTM)

ASTM E715-80(2001) Standard Specification for Gravity-Convection And Forced-Circulation Water Baths
ASTM E715-80(1996)e1 Standard Specification for Gravity-Convection And Forced-Circulation Water Baths
ASTM E715-80(2006) Standard Specification for Gravity-Convection And Forced-Circulation Water Baths
ASTM D1276-68(1978) Water vapor transmission rate test method (cycle method)

U.S. Military Regulations and Norms

ARMY UFGS-22 31 00-2009 WATER SOFTENERS, CATION-EXCHANGE (SODIUM CYCLE)

AT-ON

ONORM B 5107-2000 Water recycling installations for vehicle washing stations
ONORM M 7447-1983 Gas-fired circulation heaters and combined water heaters

Defense Logistics Agency

DLA QPL-83723-66-2006 CONNECTORS, ELECTRICAL (CIRCULAR, ENVIRONMENT RESISTING), RECEPTACLES AND PLUGS, GENERAL SPECIFICATION FOR
DLA MIL-DTL-13791/6-2009 IGNITION DISTRIBUTOR ASSEMBLY, L. H. 4 CYCLE SUBMERSIBLE
DLA MIL-DTL-83723 F (1)-2002 CONNECTORS, ELECTRICAL, (CIRCULAR, ENVIRONMENT RESISTING), RECEPTACLES AND PLUGS, GENERAL SPECIFICATION FOR
DLA MIL-DTL-83723 F-2000 CONNECTORS, ELECTRICAL, (CIRCULAR, ENVIRONMENT RESISTING), RECEPTACLES AND PLUGS, GENERAL SPECIFICATION FOR
DLA MIL-DTL-83723 F SUPP 1A-2001 CONNECTORS, ELECTRICAL, (CIRCULAR, ENVIRONMENT RESISTING), RECEPTACLES AND PLUGS, GENERAL SPECIFICATION FOR

Canadian Standards Association (CSA)

CAN/CSA-B45.6-1988 Non-recirculating toilets and holding tanks for RVs
CSA B45.6-1994 Toilettes sans recirculation et réservoirs de rétention pour véhicules de camping
CSA B45.6-2011(C2016) Non-recirculating toilets, suction toilets and holding tanks for RVs

U.S. Air-Conditioning, Heating, and Refrigeration Institute (US-AHRI)

ARI 550/590-2003 Water Chilling Packages Using the Vapor Compression Cycle

United States Navy

NAVY A-A-50560-1996 PUMPS, CENTRIFUGAL, WATER CIRCULATING, ELECTRIC-MOTOR-DRIVEN

Association Francaise de Normalisation

NF T47-263:1986 Rubber hoses for vapour circulation. Specifications.
NF X30-904*NF ISO 59020:2024 Circular economy - Measuring and assessing circularity performance
NF ISO 59020:2024 Circular economy - Measuring and assessing circularity performance
NF T54-942:1999 Plastics piping systems - Thermoplastics pipes and associated fittings for hot and cold water - Test method for resistance of joints to pressure cycling.
NF EN ISO 19893:2018 Plastic piping systems - Thermoplastic tubes and fittings for hot and cold water - Method of testing the resistance of assemblies to temperature cycling
NF D35-343:1984 GAS HOT WATER CENTRAL HEATING BOILERS WITH ATMOSPHERIC BURNERS AND A SEALED COMBUSTION CIRCUIT COMPRISING A FAN IN THE "COMBUSTION AIR" OR "COMBUSTION PRODUCTS CIRCUIT".
NF EN 15532:2009 Cycles - Terminologie

(U.S.) Plastic Pipe Association

PPI RECOMMENDATION E-2016 Recommendation Against Mixing Hydronic Heating Water with Potable Water

Standards Norway

NS 2960:1973 Hot and cold water cycling test for pipes and fittings for drainage systems
NS-ISO 59020:2024 Circular economy - Measuring and assessing circularity performance
NS-EN 15532:2008 Cycles — Terminology

IT-UNI

UNI 7555-1976 Nuclear equipment. Original circulation pump for water reactor

Spanish Association for Standardization (UNE)

UNE-EN 15496:2008 Cycles - Requirements and test methods for cycle locks

Japanese Industrial Standards Committee (JISC)

JIS A 5527:1978 Fittings of circulating pipe for Japanese bathtub
JIS B 0225:1960 Cycle threads

Cooling Technology Institute

CTI PTB-110-1977 Recirculation

Lithuanian Standards Office

LST EN 15496-2008 Cycles - Requirements and test methods for cycle locks

GM North America

GM GM9505P-1999 Automotive Environmental Cycles

American Association

ASSE IAPMO IGC 384-2022 Digital Mixing Valves for Recirculating Hot Water Systems
ASSE IAPMO IGC 384-2023 Digital Mixing Valves for Recirculating Hot Water Systems

Indonesia Standards

SNI 03-3969-1995 Ground water drilling method by direct circulation system twist drill

National Sanitation Foundation (NSF)

NSF 50-1985 Circulation System Components for Swimming Pools, Spas, or Hot Tubs

CEN - European Committee for Standardization

EN ISO 19892:2018 Plastics piping systems - Thermoplastics pipes and fittings for hot and cold water - Test method for the resistance of joints to pressure cycling