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IS 7834:2000 (Part 1) is the Indian Standard (BIS) for injection moulded pvc socket fittings with solvent cement joints for water supplies, part 1: general requirements. This standard (Part 1) specifies the general requirements for injection-moulded PVC socket fittings for use with unplasticized PVC pipes in water supply systems. It covers material composition, dimensions, colour, physical characteristics, performance tests, and marking for fittings joined by solvent cement.
injection moulded PVC socket fittings with solvent cement joints for water supplies, Part 1: General requirements
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
Practical Notes
! Always ensure the pressure class of the cap matches or exceeds that of the pipeline it is being fitted to.
! The effectiveness of the cap depends entirely on the correct application of solvent cement; follow manufacturer instructions and general guidelines in IS 7834 (Part 1).
! Check for the ISI certification mark on the fitting to ensure compliance with the standard.
Consolidated list per BIS. For the text of each amendment, refer to the BIS portal link above.
pvcupvcsolvent cementplastic
International Equivalents
Similar International Standards
ISO 1452-3:2009ISO (International Organization for Standardization)
HighCurrent
Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) — Part 3: Fittings
Specifies requirements for PVC-U fittings with solvent cement or elastomeric ring seal joints for pressure water systems.
ASTM D2466-22ASTM International (American Society for Testing and Materials), USA
MediumCurrent
Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40
Covers PVC Schedule 40 socket-type fittings for solvent cement joining, but based on a different (imperial) dimensional system.
EN ISO 1452-3:2010CEN (European Committee for Standardization), Europe
HighCurrent
Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 3: Fittings
European adoption of ISO 1452-3, defining requirements for metric PVC-U pressure fittings.
AS/NZS 1477:2006Standards Australia / Standards New Zealand
HighCurrent
PVC-U pipes and fittings for pressure applications
Specifies requirements for PVC-U pipes and fittings in metric series for pressure applications, including water supply.
Key Differences
≠IS 7834 specifies pressure classes based on kgf/cm² at 27°C, whereas ISO and EN standards use Nominal Pressure (PN) in bars at 23°C, and ASTM standards use a 'Schedule' system (e.g., Sch 40) with pressure ratings that vary by size.
≠The duration for the Heat Reversion test in IS 7834 is a fixed 30 minutes for most sizes, while in ISO 1452-3, the immersion time is dependent on the wall thickness of the fitting (e.g., 60 minutes for 3-5mm wall thickness).
≠IS 7834 mandates a specific colour of 'dark grey' for the fittings, whereas ISO 1452-3 allows for a range of colours, typically 'grey, blue, or cream'.
≠The reference temperature for mechanical property testing in IS 7834 is 27 ± 2°C, which reflects the standard ambient temperature for India. Most ISO, EN, and ASTM standards use a reference temperature of 23 ± 2°C.
Key Similarities
≈All standards are based on the same primary material: unplasticized polyvinyl chloride (PVC-U), and reference material compound standards to ensure quality.
≈The primary jointing method specified is the solvent cement socket-and-spigot type, ensuring a chemically welded, leak-proof joint.
≈Core performance tests are conceptually similar across all standards, including dimensional verification, short-term hydrostatic pressure (burst) tests, and thermal stability (Heat Reversion/Stress Relief).
≈All standards include an opacity requirement (typically limiting light transmission to ≤ 0.2%) to prevent algae and microbial growth within potable water systems.