Similar International Standards
BS 1010: Part 2: 1973British Standards Institution (BSI), UK
HighWithdrawn
Water taps, stopcocks and draw-off cocks. Part 2: Mixing valves for ablutionary purposes
Specifies requirements for mixing valves for ablutionary purposes, covering dimensions, materials, and performance, directly aligning with IS 1701:1960's scope and era.
ISO 5183-1: 1983International Organization for Standardization (ISO), International
HighWithdrawn
Plumbing fixtures - Mixers for ablutionary purposes - Part 1: General specifications
Establishes general specifications for mixers used in plumbing fixtures for ablutionary purposes, directly matching the subject matter.
EN 817:2008European Committee for Standardization (CEN), Europe
MediumCurrent
Sanitary tapware - Mechanical mixers (PN 10) - General technical specifications
Covers mechanical mixers for sanitary tapware, including requirements for dimensions, leaktightness, pressure resistance, flow rate, and endurance, representing a modern equivalent to the function of IS 1701:1960.
ASME A112.18.1 / CSA B125.1-18American Society of Mechanical Engineers (ASME), USA / Canadian Standards Association (CSA), Canada
MediumCurrent
Plumbing Supply Fittings
A comprehensive standard for plumbing supply fittings, including mixing valves, covering materials, performance, and testing requirements in the North American context.
Key Differences
≠IS 1701:1960 lacks specific requirements for maximum lead content in wetted materials, common in 1960s metallurgy. Modern standards (e.g., ASME A112.18.1) impose strict limits (e.g., <0.25%) to prevent lead leaching into drinking water.
≠Modern standards like EN 817 include rigorous performance criteria such as minimum flow rates for water efficiency, thermal cycling tests, and noise level limits, which were not typically addressed in IS 1701:1960.
≠IS 1701:1960 does not contain provisions for anti-scald protection or maximum outlet temperature limits, which are critical safety features mandated by contemporary standards for mixing valves, especially for domestic and ablutionary purposes.
≠The materials specified in IS 1701:1960 are predominantly traditional metals like gunmetal and brass. Modern international standards permit and encourage a wider range of materials, including advanced dezincification-resistant brasses, stainless steel, and engineered plastics, often with specific requirements for durability and hygiene.
≠Endurance testing in IS 1701:1960 (20,000 cycles) is significantly less stringent than in modern standards like EN 817 (70,000 cycles), reflecting increased expectations for product lifespan and reliability.
Key Similarities
≈All standards aim to define the basic functional requirements for devices that mix hot and cold water for domestic ablutionary purposes, ensuring they deliver a combined water stream.
≈Each standard includes provisions for hydrostatic pressure testing to verify the structural integrity and leak-tightness of the mixing valve body and components under static pressure conditions.
≈Fundamental dimensional requirements for connections (e.g., pipe threads) are present across these standards to ensure interchangeability and proper installation within plumbing systems.
≈All standards specify acceptable materials for critical valve components like bodies and spindles, aiming to ensure durability and resistance to corrosion from water exposure.