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Date: 2026-01-20 Category: Extra Ordinary State: Union Government Country: India

In pursuance of Sub rule 1 of Rule 15 of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Amendments to Indian standards, particulars of which are given in schedule hereto annexed have been established

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Executive Summary & Key Takeaways

**Executive Summary** This document is a notification from the Bureau of Indian Standards (BIS) regarding amendments to several Indian standards. These amendments have been established as of January 16, 2026 and unless replaced will remain valid until July 15, 2026. The notification is issued under Rule 15(1) of the Bureau of Indian Standards Rules, 2018. **Key Points / Main Content** * **Amendments to Indian Standards:** * The BIS has established amendments to the following Indian Standards: * IS 1791: 2020 (Batch Type Concrete Mixers) - Amendment No. 1 * IS 3315: 2024 (Direct Evaporative Air Cooler) - Amendment No. 1 * IS 5456: 2024 (Positive Displacement Type Air Compressors and Exhausters) - Amendment No. 1 * IS 9523: 2000 (Ductile Iron Fittings for Pressure Pipes) - Amendment No. 7 * IS 9550: 2024 (Bright Steel Bars) - Amendment No. 1 * IS 13095: 2020 (Butterfly Valves for General Purposes) - Amendment No. 3 * IS 16542: 2016 (Direct Insertion Type Storage Water Tank for All Glass Evacuated Tubes Solar Collector) - Amendment No. 2 * IS 17891 (Part 1): 2023/ ISO 3601-1:2012 (Fluid Power Systems - O-Rings) - Amendment No. 1 * **Effective Dates:** * Date of Establishment of Amendment: January 16, 2026. * Date till which standard without amendment remains in force: July 15, 2026. **Impact Analysis** **Manufacturers and Suppliers of Goods and Materials Covered by the Standards** * **Impact:** They need to ensure their products meet the amended standards and manufacturing processes. * **Action Required:** Review and implement the changes specified in the amendments to ensure compliance by July 15, 2026. **Consumers and End Users** * **Impact:** Benefit from improved product quality and safety due to the updated standards. * **Action Required:** Be aware of the updated standards and ensure that products purchased meet the latest requirements. **Bureau of Indian Standards (BIS)** * **Impact:** BIS is responsible for implementing and enforcing the updated standards. * **Action Required:** Ensure that testing and certification processes are updated to reflect the new amendments. **Regulatory Bodies and Government Agencies** * **Impact:** They may need to update regulations and guidelines based on the amended standards. * **Action Required:** Review existing regulations and guidelines to incorporate the changes introduced by the amendments.

Key Entities Referenced

Bureau of Indian Standards: The primary regulator responsible for establishing and notifying amendments to Indian Standards. Indian Standards: The set of technical standards that the notification amends; these standards specify requirements for products and processes. Bureau of Indian Standards Rules, 2018: The procedural rules under which the Bureau of Indian Standards operates and establishes standards. New Delhi: Location where the notification was issued, signifying the central authority's involvement.
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रजिस्ट्री स.ं डी.एल.- 33004/99 REGD. No. D. L.-33004/99 सी.जी.-डी.एxलx.x-GअID.H-2xx10x 12026-269498 CG-DLxx-xEG-I2D1E0x1x2x0 26-269498 असाधारण EXTRAORDINARY भाग III—खण् ड 4 PART III—Section 4 प्राजधकार स ेप्रकाजित PUBLISHED BY AUTHORITY स.ं 55] नई दिल्ली, मगं लिार, िनिरी 20, 2026/पौष 30, 1947 No. 55] NEW DELHI, TUESDAY, JANUARY 20, 2026/PAUSHA 30, 1947 भारतीय मानक ब्य रू ो (उपभोक्त ा मामल े जिभाग) अजधसचू ना नई दिल्ली, 19 िनिरी, 2026 सिं भ:भ HQ-PUB015/1/2020-PUB-BIS (1405) .—भारतीय मानक ब्यरू ो जनयम, 2018 के जनयम 15 के उपजनयम (1) के अनुसरण म ें भारतीय मानक ब्यरू ो एतिद्वारा अजधसूजचत करता ह ै इसम ें संलग्न अनूसूची म ें दिय े गय े मानकों में संिोधन दकये गय ेह|ैं 443 GI/2026 (1)2 THE GAZETTE OF INDIA : EXTRAORDINARY [PART III—SEC.4] अनसु चू ी क्रम स्ट्थाजपत भारतीय मानकों की सख्ं या, िष भ सिं ोधनों की सख्ं या सिं ोधनों की जतजथ िब तक स.ं एि ं जतजथ प्रजतस्ट्थापन जतजथ मानक तीसरे तथा िीषकभ स्ट्तभं म ेंइंजगत सिं ोधन के जबना भी लाग ूरहगे ा (1) (2) (3) (4) (5) 1 आई एस 1791 : 2020 संिोधन संख्या 1 16 िनिरी 2026 15 िुलाई 2026 बैच टाइप कंक्रीट जमक्सर के जलए सामान्य िनिरी 2026 अपेक्षाएँ ( तीसरा पुनरीक्षण ) 2 आई एस 3315 : 2024 संिोधन संख्या 1 16 िनिरी 2026 15 िुलाई 2026 डायरेक्ट िाष्पिील िायु िीतलन यंत्र — िनिरी 2026 जिजिजि (चौथा पनु रीक्षण) 3 आई एस 5456 : 2024 संिोधन संख्या 1 16 िनिरी 2026 15 िुलाई 2026 जनजित जिस्ट्थापन टाइप िायु संपीडक िनिरी 2026 और एग्ज़ॉस्ट्टसभ — परीक्षण और स्ट्िीकायभता (तीसरा पनु रीक्षण) 4 आई एस 9523 : 2000 संिोधन संख्या 7 16 िनिरी 2026 15 िुलाई 2026 पानी, गैस एिं मल िल के जलए िाब िनिरी 2026 पाइप हते ु तन्ि लोह े की दिटटंग ें— जिजिजि (पहला पुनरीक्षण) 5 आई एस 9550 : 2024 संिोधन संख्या 1 16 िनिरी 2026 15 िुलाई 2026 चमकीले इस्ट्पात की छड़ े — जिजिजि िनिरी 2026 (िसू रा पनु रीक्षण) 6 आई एस 13095 : 2020 संिोधन संख्या 3 16 िनिरी 2026 15 िुलाई 2026 सामान्य प्रयोिनाथभ बटरफ्लाई िाल्ि िनिरी 2026 (पहला पुनरीक्षण)[भाग III—खण् ड 4] भारत का रािपत्र : असाधारण 3 क्रम स्ट्थाजपत भारतीय मानकों की सख्ं या, िष भ सिं ोधनों की सख्ं या सिं ोधनों की जतजथ िब तक स.ं एि ं जतजथ प्रजतस्ट्थापन जतजथ मानक तीसरे तथा िीषकभ स्ट्तभं म ेंइंजगत सिं ोधन के जबना भी लाग ूरहगे ा (1) (2) (3) (4) (5) 7 आई एस 16542 : 2016 संिोधन संख्या 2 16 िनिरी 2026 15 िुलाई 2026 समस्ट्त ग्लास इिेक्यूएटटड नजलका सौर िनिरी 2026 संग्रहक हते ु भंडारण पानी की टंकी — जिजिजि 8 आई एस 17891 (भाग 1) : 2023 संिोधन संख्या 1 16 िनिरी 2026 15 िुलाई 2026 िनिरी 2026 आई एस ओ 3601-1 : 2012 द्रि पािर पद्धजतया ँ — ओ-टरंग्स भाग 1 आंतटरक आयाम, क्रॉस-सेक्िन, तनन और अजभनाम कोड जचत्रा गुप् ता, िैज्ञाजनक िी एि ंउप महाजनिेिक (हॉलमार्किंग एि ं रेननंग) [जिज्ञापन-III/4/असा./630/2025-26]4 THE GAZETTE OF INDIA : EXTRAORDINARY [PART III—SEC.4] BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs) NOTIFICATION New Delhi, the 19th January, 2026 Ref: HQ-PUB015/1/2020-PUB-BIS (1405).—In pursuance of Sub-rule (1) of Rule (15) of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Amendments to Indian standards, particulars of which are given in schedule hereto annexed have been established. SCHEDULE Sl. No., Year & Title of the Indian No. and Date of Date till which the No. Standard Month/Year of the Establishment of standard without Amendment the Amendment the amendment as mentioned in column 3 shall remain in force (1) (2) (3) (4) (5) 1 IS 1791 : 2020 Amendment No. 1 16 January 2026 15 July 2026 General Requirements for Batch January 2026 Type Concrete Mixers (Third Revision) 2 IS 3315 : 2024 Amendment No. 1 16 January 2026 15 July 2026 Direct Evaporative Air Cooler — January 2026 Specification (Fourth Revision) 3 IS 5456 : 2024 Amendment No. 1 16 January 2026 15 July 2026 Positive Displacement Type Air January 2026 Compressors and Exhausters — Testing and Acceptance (Third Revision) 4 IS 9523 : 2000 Amendment No. 7 16 January 2026 15 July 2026 Ductile Iron Fittings for Pressure January 2026 Pipes for Water, Gas and Sewage — Specification (First Revision) 5 IS 9550 : 2024 Amendment No. 1 16 January 2026 15 July 2026 Bright Steel Bars — Specification January 2026 (Second Revision) 6 IS 13095 : 2020 Amendment No. 3 16 January 2026 15 July 2026 Butterfly Valves for General January 2026 Purposes (First Revision)[भाग III—खण् ड 4] भारत का रािपत्र : असाधारण 5 Sl. No., Year & Title of the Indian No. and Date of Date till which the No. Standard Month/Year of the Establishment of standard without Amendment the Amendment the amendment as mentioned in column 3 shall remain in force (1) (2) (3) (4) (5) 7 IS 16542 : 2016 Amendment No. 2 16 January 2026 15 July 2026 Direct Insertion Type Storage Water January 2026 Tank for All Glass Evacuated Tubes Solar Collector — Specification 8 IS 17891 (Part 1) : 2023 Amendment No. 1 16 January 2026 15 July 2026 ISO 3601-1 : 2012 January 2026 Fluid Power Systems — O-Rings Part 1 Inside Diameters, Cross- Sections, Tolerances and Designation Codes CHITRA GUPTA, Scientist G & DDG (Hallmarking and Training) [ADVT.-III/4/Exty./630/2025-26] Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, New Delhi-110064 and Published by the Controller of Publications, Delhi-110054.

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