Main water inlet valve maintenance procedures

Main water inlet valve maintenance procedures, Total:99 items.

The international standard classification for "Main water inlet valve maintenance procedures" includes: Hydraulic energy engineering , Boilers and heat exchangers , Office machines , Wood, sawlogs and sawn timber , Valves , Petroleum products and natural gas handling equipment .

The Chinese standard classification for "Main water inlet valve maintenance procedures" includes: Electric power safety monitor , Power plant and electric power system operating maintenance , Leather processing and products in general , Fruit processing and products , Culture, education and drawing instruments, notebooks and cards , Office supplies and office implements , Stem wood and raw wood , Valve , Sugar refining and sugar products in general , Cereal crop and product , Petroleum and gas gathering and transportation , Water turbine and its auxiliary equipment , Water power engineering .

Professional Standard - Energy and Power Planning

DL/T 817-2014 Technical Regulations for Repair of Vertical Hydro-generator
DL/T 2654-2023 Hydropower station equipment maintenance procedures
DL/T 2574-2022 Code of maintenance for Francis turbine
DL/T 1833-2018 Inspection and maintenance rules for flexible direct current transmission converter valves
DL/T 1225-2024 Guidelines for production preparation of pumped storage power plants
DL/T 2020-2019 Code of operation and maintenance for Pelton turbine
DL/T 2734-2024 Operation and maintenance regulations for turbine cylinder valve control system
DL/T 817-2002 Technological code for maintenance of vertical hydro-generators
DL/T 835-2003 Technical code of safety inspection for hydraulic steel gate and hoist machinery
DL/T 2577-2022 Maintenance code for Kaplan hydro-turbine generating units
DL/T 2571.3-2022 Code of maintenance for public auxiliary equipment of hydropower station-Part 3: Water supply system and drainage system
DL/T 2576-2022 Code of operation and maintenance for main valve of turbine
DL/T 748.3-2001 Guide of maintenance of boiler unit for thermal power station Part 3 ： The maintenance of valves and steam-water system

Professional Standard - Commodity Inspection

SN/T 4157-2015 Rules for the inspection for import and export commodities - Water swelling gunny-bag
SN/T 1914-2007 Rule of the inspection of ink for ink jet printing for import and export
SN/T 4915-2017 Inspection and quarantine procedure for imported aquatic animals
SN/T 2421-2010 Rules for inspection of pesticides for import
SN/T 0976-2012 Rules for the inspection of oil fried fruits and vegetables crisp for import and export
SN/T 0994-2014 Rules for the Inspection of stationary cement packer for export and import
SN/T 5407-2021 Rules for the pre-clearance to importing fruits
SN/T 0888-2000 Rules for the inspection of dehydrated apple for import and export
SN/T 4977-2017 Rules for the inspection and qurantine of import sorghum
SN/T 2920-2011 Rules for Inspection of Fishery Products for Import and Export
SN/T 4597-2016 Rules for the inspection of nata de coco for import
SN/T 3805-2014 Rules for inspection and supervision of bulk cement for import and export
SN/T 4430-2016 Rules for inspection of imported coal
SN/T 0969-2011 Rules for the Inspection of Coloured Pen for Import and Export
SN/T 1373-2004 Rules of inspection on the import European Beech round logs
SN/T 1455-2004 Rules for the inspection of valves for export
SN/T 0947-2021 Inspection rule for import children's footwear
SN/T 0725-1997 Rules for the inspection of copper valves for export
SN/T 0116-1992 Rule for inspection of blue stamdard skinsfor import
SN/T 0676-1997 Rules for inspection of sugar for import and export
SN/T 2937-2011 Inspection Rules for Import Fertilizer
SN/T 0223-2011 Rules for the inspection of frozen aquatic products for import and export
SN/T 0960-2014 Rules for the inspection of pumps for import and export
SN/T 5403-2021 Rules of the inspection for import fireworks
SN/T 2546-2010 Rules for the inspection and quarantine of importing cassava tuber flake
SN/T 0960-2000 Rules for the inspection of pumps for import and export
SN/T 0969-2000 Rules for the inspection of water colour pen for import and export
SN/T 4978-2017 Inspection and quarantine regulations for imported corn
SN/T 2715-2015 Rules for inspection of iron ore for import
SN/T 2437-2010 Protocol of inspection and quarantine for import and export rabbit skin
SN/T 3242.2-2012 Rules for the inspection of water heaters for import and export-Part 2:Gas water heaters
SN/T 1455-2012 Rules for the inspection of valve for import and export-General requirements
SN/T 3000-2011 Rules for the Inspection of Import Coating
SN/T 2569-2010 Rules of inspection for import and export aquatic gasifies sport things
SN/T 1849-2006 Rules for the quarantine of import soybean
SN/T 0976-2000 Rules for the inpection of oil fried fruit and vegetables crisp for import and export
SN/T 2455-2010 Rules for the inspection and quarantine of fruit for import and export
SN/T 0230.1-2016 Rules for the inspection of dried vegetables for import and export

Professional Standard - Traffic

JT/T 1399-2021 Code of examine and repair for diving handling system
JT/T 40-1993 Maintenance Instructions for the Surface Compression Chamber

Professional Standard - Petroleum

SY 6470-2011 Operation, maintenance and repair procedures for general valves in oil and gas pipelines
SY/T 5826-2012 Maintenance and Service Procedure for Hydraulic Piston Pump
SY/T 6470-2000 Code for operation maintenance repair of general purpose valve in oil and gas pipeline
SY/T 5872-2011 Inspection and Repair Regulations of Sucker Rod Pumps
SY/T 5826-1993 Hydraulic Piston Pump Overhaul Regulations
SY/T 6470-2011 Regulation for Operation Maintenance Repair of General Purpose Valve in Oil and Gas Pipeline
SY/T 5872-1993 Oil Well Pump Overhaul Regulations

Group Standards of the People's Republic of China

T/NXJX 051-2023 Servicing technical specification for control valve in steam application
T/NXJX 052-2023 Inspection and maintenance technical specification for control valve packing
T/BWEA 3-2025 Technical Code for Maintenance of Low-Pressure Water Conveyance Tunnels
T/CAS 413-2020 Supervision Regulations for Drainage Pipeline Inspection and Trenchless Restoration
T/CECS 1333-2023 Technical specification for trenchless restoration engineering of drainage inspection wells
T/CDSA 305.18-2017 Operating procedure of flooded member detection for underwater steel structure
T/CEC 335-2020 Pumped storage generator circuit breaker maintenance rules
T/NXJX 028-2022 Technical specification for control valve servicing
T/SJCE 002-2024 Construction Engineering Quality Inspection Technical Data Management Regulations: 2. Main Structure and Decoration

Professional Standard - Energy

DL/T 2025.10-2025 Power Station Valve Maintenance Guide Part 10: Minimum Flow Valve for Power Station Boiler Feed Pumps
NB/T 10812-2021 Code for operating and overhauling of small hydropower units
NB/T 10326-2019 Code for operating and overhauling of excitation system of small hydropower units
NB/T 10811-2021 Code for operating and overhauling of governing system of small hydropower units
NB/T 10078-2018 Specification for selection，testing and acceptance of spherical inlet valves for hydraulic turbine

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 4636-2024 Technical regulations for maintenance of hydraulic hoists in water conservancy projects
DB32/T 3834-2020 Technical regulations for maintenance of screw hoist in water conservancy projects
DB32/T 3994-2021 Inspection and Quarantine Operation Rules for Entry Aquatic Animal Isolation Field
DB32/T 2948-2016 Technical regulations for maintenance of hoist hoist in water conservancy projects

Anhui Provincial Standard of the People's Republic of China

DB34/T 3587-2020 Technical regulations for inspection and repair of urban drainage pipelines
DB34/T 4237-2022 Technical regulations for maintenance of large vertical water pump units
DB34/T 1708-2020 Power station plugging valve inspection regulations
DB34/T 1708-2012 Power station plugging valve inspection regulations

Professional Standard - Petrochemical Industry

SH 3518-2000 Code for valves inspection and management

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

GB/T 14478-2025 Basic technical specification of inlet valves for large and medium-sized hydraulic turbines
GB/T 35709-2017 Maintenance regulation for bulb hydro-turbine generating units
GB/T 32506-2016 Gode of operation and maintenance for excitation system of pumped storage unit

State Grid Corporation of China

Q/GDW 493-2010 Specifications for maintenance of HVDC converter valves

Ningxia Provincial Standard of the People's Republic of China

DB64/T 1181-2016 Rules for inspection of main forest tree seeds

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

GJB/J 3346-1998(XG1-2015) Solid propellant specific impulse test system calibration regulations revision sheet 1-2015

Professional Standard - Hydroelectric Power

SD 230-1987 Power plant maintenance procedures

American Water Works Association (AWWA)

AWWA DSS63724 Underwater Inspection and Repair of an Active Water Storage Basin Liner

British Standards Institution (BSI)

BS 5163-1:2004 Valves for waterworks purposes - Predominantly key-operated cast iron gate valves - Code of practice

American Petroleum Institute (API)

API RP 14H RUSSIAN-2007 Recommended Practice for Installation@ Maintenance and Repair of Surface Safety Valves and Underwater Safety Valves Offshore (Fifth Edition)
API RP 14H-2007 Recommended Practice for Installation@ Maintenance and Repair of Surface Safety Valves and Underwater Safety Valves Offshore (Fifth Edition)
API RP 14H KAZAKH-2007 Recommended Practice for Installation@ Maintenance and Repair of Surface Safety Valves and Underwater Safety Valves Offshore (FIFTH EDITION)
API RP 14H-1991 RECOMMENDED PRACTICE FOR INSTALLATION@ MAINTENANCE AND REPAIR OF SURFACE SAFETY VALVES AND UNDERWATER SAFETY VALVES OFFSHORE THIRD EDITION

Standard Association of Australia （SAA）

AS 1357.1/AMD 1:2005 Amendment No.1(2005) to AS 1357.1--2004 Valves primarily for use in heated water systems Part 1: Protection valves
ATS 5200.016-2005 Technical Specification for plumbing and drainage products - Cistern inlet valves

Manufacturers Standardization Society of the Valve and Fitting Industry (MSS)

MSS SP-153-2017 Modification specification of valves for new waterworks

Others: