Know Your Standard Standards under Mandatory Certification Group Wise Classification Ministry/Department Wise Classification
Total Standards : 110
Revised Standards
New Standards
| S.No | IS Number | IS Title | Amendment | Reaffirmation Year | Document | Action |
|---|---|---|---|---|---|---|
| 1 |
IS 10218 : 2025 (First Revision) |
GRINDABILITY INDEX - METHOD OF TEST ( First Revision ) | 0 | ---- | Buy | |
| 2 |
IS/ISO 10434 : 2020 Reviewed In : 2024 62586-1:2017 |
Bolted Bonnet Steel Gate Valves for the Petroleum, Petrochemical and Allied Industries | 0 | Jun, 2024 | Buy | |
| 3 |
IS 10459 : 2024 (First Revision) |
General Purpose Plug Valves - Specification (First Revision) | 0 | ---- | Buy | |
| 4 |
IS 10605 : 1989 Reviewed In : 2020 Reaffirmed but not taken up for revision (First Revision) |
Steel globe valves (Flanged And Butt Welded Ends) for petroleum, petrochemical and allied industries - Specification (First Revision) | 0 | Jul, 2020 | Download | |
| 5 |
IS 10661 : 2024 (First Revision) |
Glass Fibre Reinforced Polyester Chemical Resistant Tanks - Specification (First Revision) | 0 | ---- | Buy | |
| 6 |
IS 10688 : 2024 (First Revision) |
Method for Proving Gas - Tightness of Vacuum Plants - Method of Test (First Revision) | 0 | ---- | Buy | |
| 7 |
IS 10874 : 1983 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Specification for felsite grinding media and liner stones | 0 | Jul, 2020 | Download | |
| 8 |
IS 10989 : 1984 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Specification for cast or forged steel check valves (Flanged Or Butt Welding Ends) for petroleum, petrochemicals, chemicals and allied industries | 1 | Jul, 2020 | Download | |
| 9 |
IS 11132 : 2024 (First Revision) |
Ammonia Valves - Specification (First Revision) | 0 | ---- | Buy | |
| 10 |
IS 11332 : 2025 (First Revision) |
Industrial Ovens - Code of Practice ( First Revision ) | 0 | ---- | Buy | |
| 11 |
IS 11552 : 2020 Reviewed In : 2024 (First Revision) |
Liquid Nitrogen Vessels of Capacity up to 75 Litres — Specification ( Second Revision ) | 1 | Jun, 2024 | Download | |
| 12 |
IS 11611 : 2022 IEC 31010: 2019 (Second Revision) |
Testing of Valves - Fire Type-Testing Requirements (second revision) | 0 | ---- | Buy | |
| 13 |
IS 11620 : 2024 (First Revision) |
Fluid Bed Dryer - Code of Practice (First Revision) | 0 | ---- | Buy | |
| 14 |
IS 11699 : 1986 Reviewed In : 2018 Reaffirmed but not taken up for revision |
Specification for steel plug valves for petroleum, petrochemical and allied industries | 0 | Sep, 2018 | Download | |
| 15 |
IS 11790 : 2024 (First Revision) |
Preparation of Butt Welding Ends for Pipes, Valves, Flanges and Fittings - Code of Practice (First Revision) | 0 | ---- | Buy | |
| 16 |
IS 11791 : 1986 Reviewed In : 2018 Reaffirmed but not taken up for revision |
Specification for diaphragm type valves for general purposes | 0 | Sep, 2018 | Download | |
| 17 |
IS 12213 : 2025 (First Revision) |
Mechanical Vibrating Screens - Code of Practice ( First Revision ) | 0 | ---- | Buy | |
| 18 |
IS 12370 (Part 2) : 2023 ISO 15553 : 2006 ISO 15553 : 2006 |
SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE PART 2 BURSTING DISC SAFETY DEVICES (Second Revision of IS 12370 ) | 0 | ---- | Buy | |
| 19 |
IS 12370 (Part 3) : 2023 |
SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE PART 3 SAFETY VALVES AND BURSTING DISC SAFETY DEVICES IN COMBINATION (Second Revision of IS 12370 ) | 0 | ---- | Download | |
| 20 |
IS 12370 (Part 4) : 2023 |
SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE PART 4 PILOT OPERATED SAFETY VALVES (Second Revision of IS 12370 ) | 0 | ---- | Buy | |
| 21 |
IS 12370 (Part 5) : 2023 |
SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE PART 5 CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS CSPRS (Second Revision of IS 12370 ) | 0 | ---- | Buy | |
| 22 |
IS 12370 (Part 6) : 2023 |
SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE PART 6 APPLICATION SELECTION AND INSTALLATION OF BURSTING DISC SAFETY DEVICES ( Second Revision of IS 12370 ) | 0 | ---- | Buy | |
| 23 |
IS 12754 (Part 1) : 1989 ISO 3511-1:1977 Reviewed In : 2020 ISO 3511-1:1977 |
Process measurement controli functions and instrumentation - Symbolic representation: Part 1 basic requirements | 0 | Jul, 2020 | Buy | |
| 24 |
IS 12754 (Part 2) : 1989 ISO 3511-2:1977 Reviewed In : 2020 ISO 3511-2:1977 |
Process measurement control functions and instrumentation - Symbolic representation: Part 2 extension of basic requirements | 0 | Jul, 2020 | Buy | |
| 25 |
IS 12754 (Part 3) : 1989 ISO 3511-3:1977 Reviewed In : 2020 ISO 3511-3:1977 |
Process measurement control functions and instrumentation - Symbolic representation: Part 3 detailed symbols for instrument interconnection diagrams | 0 | Jul, 2020 | Buy | |
| 26 |
IS 12754 (Part 4) : 1989 ISO 3511-4:1977 Reviewed In : 2020 ISO 3511-4:1977 |
Industrial process measurement control functions and instrumentation - Symbolic representation: Part 4 basic symbols for process computer, interface, and shared display/control functions | 0 | Jul, 2020 | Buy | |
| 27 |
IS 12992 (Part 1) : 2024 (First Revision) |
Safety Relief Valves - Spring Loaded - Specification Part 1 Design (First Revision) | 0 | ---- | Buy | |
| 28 |
IS 12992 (Part 2) : 2023 (First Revision) |
SPRING LOADED SAFETY RELIEF VALVES SPECIFICATION PART 2 TESTING (First Revision) | 0 | ---- | Buy | |
| 29 |
IS 13095 : 2020 Reviewed In : 2024 (First Revision) |
Butterfly Valves for General Purposes ( First Revision ) | 2 | Jun, 2024 | Download | |
| 30 |
IS 13159 (Part 1) : 1993 Reviewed In : 2018 |
Pipe flanges and flanged fittings specification: Part 1 dimensions | 0 | Sep, 2018 | Download | |
| 31 |
IS 13187 : 1991 Reviewed In : 2018 Reaffirmed but not taken up for revision |
Road tankers for light petroleum products - Specification | 1 | Sep, 2018 | Download | |
| 32 |
IS 14404 : 1996 Reviewed In : 2022 Reaffirmed but not taken up for revision |
Process equipment - Recommendations on design pressure and temperature | 0 | Jan, 2022 | Download | |
| 33 |
IS 15729 : 2007 Reviewed In : 2022 |
Natural gas pressure regulating and metering terminal - Code of practice | 0 | Jan, 2022 | Download | |
| 34 |
IS/ISO 15761 : 2020 Reviewed In : 2024 (First Revision) |
STEEL GATE GLOBE AND CHECK VALVES FOR SIZES DN 100 AND SMALLER FOR THE PETROLEUM AND NATURAL GAS INDUSTRIES | 0 | Jun, 2024 | Download | |
| 35 |
IS/ISO 15848-1 : 2015 ISO/IEC 30107-1:2016 |
Industrial valves Measurement test and qualification procedures for fugitive emissions Part 1: Classification system and qualification procedures for type testing of valves | 0 | ---- | Buy | |
| 36 |
IS/ISO 15848-2 : 2015 37301 |
Industrial valves Measurement test and qualification procedures for fugitive emissions Part 2: Production acceptance test of valves | 0 | ---- | Buy | |
| 37 |
IS/ISO 16136 : 2006 5667-1:2023 5667-1:2023 |
Industrial valves Butterfly valves of thermoplastics materials | 0 | ---- | Buy | |
| 38 |
IS/ISO 17292 : 2015 (First Revision) |
Metal ball valves for petroleum petrochemical and allied industries First Revision | 0 | ---- | Download | |
| 39 |
IS/ISO 20430 : 2020 Reviewed In : 2024 ISO 20430 |
Plastics and Rubber Machines — Injection Moulding Machines — Safety Requirements | 0 | Jun, 2024 | Buy | |
| 40 |
IS/ISO 21360-1 : 2020 |
VACUUM TECHNOLOGY STANDARD METHOD FOR MEASURING VACUUM- PUMP PERFORMANCE PART 1 GENERAL DESCRIPTION | 0 | ---- | Buy | |
| 41 |
IS/ISO 21360-2 : 2020 |
VACUUM TECHNOLOGY STANDARD METHOD FOR MEASURING VACUUM- PUMP PERFORMANCE PART 2 POSITIVE DISPLACEMENT VACUUM PUMPS [ Amalgamation of IS 6849 ( Part 1,2 and 3 ) ] | 0 | ---- | Buy | |
| 42 |
IS/ISO 22109 : 2020 Reviewed In : 2024 ISO 22109:2020 |
Industrial Valves - Gearbox for Valves | 0 | Jun, 2024 | Buy | |
| 43 |
IS/ISO 22153 : 2020 Reviewed In : 2024 IS 22153:2020 |
Electric Actuators for Industrial Valves - General Requirements | 0 | Jun, 2024 | Buy | |
| 44 |
IS/ISO 23632 : 2021 |
INDUSTRIAL VALVES DESIGN VALIDATION - TESTING OF VALVES (Adoption of ISO 23632 ) | 0 | ---- | Download | |
| 45 |
IS 2379 : 2024 (Second Revision) |
Colour Code for Pipeline Identification - Code of Practice (Second Revision) | 0 | ---- | Buy | |
| 46 |
IS/ISO 2861 : 2020 ISO 14184-3:2023 ISO 14184-3:2023 |
VACUUM TECHNOLOGY DIMENSIONS OF CLAMPED-TYPE QUICKRELEASE COUPLINGS Adoption of ISO 2861 | 0 | ---- | Buy | |
| 47 |
IS 3133 : 2024 (Second Revision) |
Manhole and Inspection Openings for Chemical Equipment - General Requirements (Second Revision) | 0 | ---- | Buy | |
| 48 |
IS 3232 : 2024 (Third Revision) |
Recommendations on Graphical Symbols for Process Flow Diagrams, Piping and Instrumentation Diagrams (Third Revision) | 0 | ---- | Buy | |
| 49 |
IS 3233 : 2024 (First Revision) |
Safety and Relief Valves and their Parts - Glossary of Terms (First Revision) | 0 | ---- | Buy | |
| 50 |
IS/ISO 3669 : 2020 ISO 14093 : 2022 |
VACUUM TECHNOLOGY DIMENSIONS OF KNIFE-EDGE FLANGES Adoption of ISO 3669 | 0 | ---- | Buy | |
| 51 |
IS 4092 (Part 1) : 2025 (Third Revision) |
Centrifuges of the Basket and Bowl and Vibrating Type for use in Industrial and Commercial Applications - Specification (THIRD REVISION) | 0 | ---- | Buy | |
| 52 |
IS 4110 (Part 1) : 2022 ISO 23905:2020 ISO 23905:2020 (First Revision) |
Vacuum Technology - Vocabulary Part 1 General Terms (first revision) | 0 | ---- | Buy | |
| 53 |
IS 4110 (Part 2) : 2023 |
VACUUM TECHNOLOGY VOCABULARY PART 2 VACUUM PUMPS AND RELATED TERMS (First Revision of IS 4110 ) | 0 | ---- | Buy | |
| 54 |
IS 4110 (Part 3) : 2023 |
VACUUM TECHNOLOGY VOCABULARY PART 3 TOTAL AND PARTIAL PRESSURE VACUUM GAUGES (First Revision of IS 4110 ) | 0 | ---- | Buy | |
| 55 |
IS/ISO 4126-1 : 2013 ISO 14097 : 2021 |
SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE PART 1 SAFETY VALVES Adoption of ISO 4126 Part 1 | 0 | ---- | Buy | |
| 56 |
IS 4179 : 2024 (First Revision) |
Sizes of Process Vessels and Leading Dimensions (First Revision) | 0 | ---- | Buy | |
| 57 |
IS 4642 : 2024 (First Revision) |
Ball, Pebble and Tube Mills - Code of Practice (First Revision) | 0 | ---- | Buy | |
| 58 |
IS 4682 (Part 1) : 2024 (Second Revision) |
Medical Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 1 Rubber Lining (Second Revision) | 0 | ---- | Buy | |
| 59 |
IS 4682 (Part 2) : 2024 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 2 Glass Enamel Lining (First Revision) | 0 | ---- | Buy | |
| 60 |
IS 4682 (Part 3) : 2024 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 3 Lead Lining (First Revision) | 0 | ---- | Buy | |
| 61 |
IS 4682 (Part 4) : 2024 (Second Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 4 Lining with Sheet Thermoplastics (Second Revision) | 0 | ---- | Buy | |
| 62 |
IS 4682 (Part 5) : 2024 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 5 Epoxide Resin Lining (First Revision) | 0 | ---- | Buy | |
| 63 |
IS 4682 (Part 6) : 2024 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 6 Phenolic Resin Lining (First Revision) | 0 | ---- | Buy | |
| 64 |
IS 4682 (Part 7) : 1974 Reviewed In : 2020 |
Code of practice for lining of vessels and equipment for chemical processes: Part 7 corrosion and heat resistant metals | 0 | Jul, 2020 | Download | |
| 65 |
IS 4682 (Part 7) : 2025 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 7 Corrosion and Heat Resistant Metals ( First Revision ) | 0 | ---- | Buy | |
| 66 |
IS 4682 (Part 8) : 2024 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 8 Precious Metals (First Revision) | 0 | ---- | Buy | |
| 67 |
IS 4682 (Part 9) : 1974 Reviewed In : 2020 |
Code of practice for lining of vessels and equipment for chemical processes: Part 9 titanium | 0 | Jul, 2020 | Download | |
| 68 |
IS 4682 (Part 9) : 2025 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 9 Titanium ( First Revision ) | 0 | ---- | Buy | |
| 69 |
IS 4682 (Part 10) : 1974 Reviewed In : 2020 |
Code of practice for lining of vessels and equipment for chemical processes: Part 10 brick and tile | 0 | Jul, 2020 | Download | |
| 70 |
IS 4682 (Part 10) : 2025 (First Revision) |
Lining of Vessels and Equipment for Chemical Processes - Code of Practice Part 10 Brick and Tile ( First Revision ) | 0 | ---- | Buy | |
| 71 |
IS 4854 (Part 1) : 2023 (First Revision) |
GLOSSARY OF TERMS FOR VALVES AND THEIR PARTS PART 1 SCREW- DOWN STOP CHECK AND GATE VALVES AND THEIR PARTS ( First Revision ) | 0 | ---- | Buy | |
| 72 |
IS 4854 (Part 2) : 2024 (First Revision) |
Glossary of Terms for Valves and their Parts Part 2 Plug Valves and Cocks and their Parts (First Revision) | 0 | ---- | Buy | |
| 73 |
IS 4854 (Part 3) : 2023 (First Revision) |
GLOSSARY OF TERMS FOR VALVES AND THEIR PARTS PART 3 BUTTERFLY VALVES ( First Revision ) | 0 | ---- | Buy | |
| 74 |
IS 4864 (Part 4870) : 1968 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Specification for shell flanges for vessels and equipment | 0 | Jul, 2020 | Download | |
| 75 |
IS 4870 : 1968 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Flat gaskets for shell flanges - (SEE IS 4864 TO IS 4870) | 0 | Jul, 2020 | Download | |
| 76 |
IS 5036 : 1969 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Specification for filter presses, recessed plate type, and plate and frame type | 0 | Jul, 2020 | Download | |
| 77 |
IS/ISO 5210 : 2017 ISO 5210 |
Industrial Valves — Multi-Turn Valve Actuator Attachments | 0 | ---- | Buy | |
| 78 |
IS/ISO 5211 : 2017 ISO 5211 |
Industrial Valves — Part-Turn Actuator Attachments | 0 | ---- | Buy | |
| 79 |
IS 5428 (Part 1) : 2023 (Second Revision) |
Gauge Glasses � Specification Part 1 Tubular Glasses for Level Gauges (Second Revision) | 0 | ---- | Buy | |
| 80 |
IS 5428 (Part 2) : 2023 (Second Revision) |
Gauge Glasses - Specification Part 2 Protector Glasses for Tubular Gauge Glasses (Second Revision) | 0 | ---- | Buy | |
| 81 |
IS 5428 (Part 3) : 2023 (Second Revision) |
Gauge Glasses � Specification Part 3 Through-Vision and Reflex Glasses (Second Revision) | 0 | ---- | Buy | |
| 82 |
IS 5428 (Part 4) : 2023 (Second Revision) |
Gauge Glasses - Specification Part 4 Circular Sight and Light Glasses ( Second Revision ) | 0 | ---- | Buy | |
| 83 |
IS 5428 (Part 5) : 2023 (Second Revision) |
Gauge Glasses - Specification Part 5 Port Gauge Glasses as used in Fittings for Steam Boilers ( Second Revision ) | 0 | ---- | Buy | |
| 84 |
IS 5675 : 2024 (Second Revision) |
Rotary-Disc Vacuum Filters - Specification (Second Revision) | 0 | ---- | Buy | |
| 85 |
IS 6034 : 1989 Reviewed In : 2020 (First Revision) |
Insulating oil conditioning plants - Specification (First Revision) | 0 | Jul, 2020 | Download | |
| 86 |
IS 6076 : 2022 (Second Revision) |
Vacuum Technology - Dimensions of Non-Knife Edge Flanges (second revision) | 0 | ---- | Download | |
| 87 |
IS 6088 : 2024 (Second Revision) |
Oil-to-Water Heat Exchangers for Transformers - Specification (Second Revision) | 0 | ---- | Buy | |
| 88 |
IS 6157 : 2024 (Second Revision) |
VALVE INSPECTION AND TEST - METHODS OF TEST (Second Revision) | 0 | ---- | Buy | |
| 89 |
IS 6202 : 2024 (First Revision) |
Flat Glass Oil Level Gauges for Oil Storage Tanks - Specification (First Revision) | 0 | ---- | Buy | |
| 90 |
IS 6838 : 1973 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Dimensions for `O' rings and grooves for vacuum flanges | 0 | Jul, 2020 | Download | |
| 91 |
IS 6849 (Part 1) : 1999 ISO 1607-1:1989 Reviewed In : 2020 ISO 1607-1:1989 (Second Revision) |
Positive displacement vacuum pumps - Measurement of performance characteristics: Part 1 measurement of volume rate of flow (Pumping Speed) (Second Revision) | 0 | Jul, 2020 | Buy | |
| 92 |
IS 6849 (Part 2) : 1993 ISO 1607-2:1989 Reviewed In : 2018 ISO 1607-2:1989 (First Revision) |
Positive displacement vacuum pumps - Measurement of performance characteristics: Part 2 measurement of ultimate pressure (First Revision) | 0 | Sep, 2018 | Buy | |
| 93 |
IS 6849 (Part 3) : 1976 ISO 1607-3:1989 Reviewed In : 2018 ISO 1607-3:1989 |
Methods of measurement of performance characteristics of positive - Displacement vacuum pumps: Part 3 water vapour pumping capacity | 0 | Sep, 2018 | Buy | |
| 94 |
IS 7366 : 1974 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Specification for edge type filters required for filtration of oils of straight mineral type | 0 | Jul, 2020 | Download | |
| 95 |
IS 8243 (Part 1) : 1999 ISO 1608-1:1993 Reviewed In : 2021 ISO 1608-1:1993 (Second Revision) |
Vapour vacuum pumps - Measurement of performance characteristics: Part 1 measurement of volume rate of flow (Pumping Speed) (Second Revision) | 0 | Sep, 2021 | Buy | |
| 96 |
IS 8243 (Part 2) : 1993 ISO 1608-2:1993 Reviewed In : 2021 ISO 1608-2:1993 (First Revision) |
Vapour vacuum pumps - Measurement of performance characteristics: Part 2 measurement of critical backing pressure (First Revision) | 0 | Sep, 2021 | Buy | |
| 97 |
IS 8244 : 2022 61478:2003 61478:2003 (First Revision) |
Vacuum Gauges - Calibration by Direct Comparison with a Reference Gauge (first revision) | 0 | ---- | Buy | |
| 98 |
IS 8262 (Part 2) : 1976 Reviewed In : 2021 |
Specification for qusck - Release couplings for vacuum pipelines: Part 2 clamped type | 0 | Sep, 2021 | Buy | |
| 99 |
IS 8276 (Part 1) : 2025 (First Revision) |
Method for Calibration of vacuum gauges Part 1 Pressure reduction by continuous flow in the pressure range of 10-5 Pa to 10-1Pa ( First Revision ) | 0 | ---- | Buy | |
| 100 |
IS 8280 : 2022 1833-22:2020 1833-22:2020 (Second Revision) |
Vacuum Technology - Vacuum Gauges - Specifications for Hot Cathode Ionization Gauges (first revision) | 0 | ---- | Buy | |
| 101 |
IS 8288 : 1976 Reviewed In : 2021 |
Specification for bakeable flanges | 0 | Sep, 2021 | Buy | |
| 102 |
IS 9446 : 2022 (First Revision) |
Graphical Symbols for Pipelines and Instrumentation Diagrams ( First Revision ) | 0 | ---- | Buy | |
| 103 |
IS 9520 : 2008 Reviewed In : 2023 (First Revision) |
Nominal sizes for valves (First Revision) | 0 | Dec, 2023 | Download | |
| 104 |
IS 9522 : 2025 (First Revision) |
AGITATOR EQUIPMENT - CODE OF PRACTICE (First Revision) | 0 | ---- | Buy | |
| 105 |
IS 9618 : 1980 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Specification for road tankers for liquefied petroleum gas | 0 | Jul, 2020 | Download | |
| 106 |
IS 9625 : 2023 (First Revision) |
Locations of By-Pass and Drain Connections for Valves ( First Revision ) | 0 | ---- | Buy | |
| 107 |
IS 9705 (Part 1) : 1980 Reviewed In : 2020 Reaffirmed but not taken up for revision |
Specification for quick release coupling for vacuum pipe lines: Part 1 screwed couplings type b | 0 | Jul, 2020 | Download | |
| 108 |
IS 9866 : 2025 (First Revision) |
MARKING SYSTEM FOR VALVES (First Revision) | 0 | ---- | Buy | |
| 109 |
IS 9884 : 2023 (First Revision) |
Metal Valves for use in Flanged Pipe Systems - Face-to-Face and Centre-to Face Dimensions | 1 | ---- | Buy | |
| 110 |
IS 9890 : 1981 Reviewed In : 2024 |
Specification for general purpose ball valves | 0 | Jun, 2024 | Download |