Vitreous Sanitary Appliances (vitreous china) -, Part 7: Specific Requirements of Accessories for Sanitary Appliances

IS 2556 Part 7 - Scope: Key Specifications & Tables

Scope:
Covers dimensions, tolerances, construction, finish, tests, and marking of vitreous china accessories for sanitary appliances:

• Half round channel
• Foot rest
• Traps for squatting pans
• Floor traps
• Shower rose

Key Dimensions (Clause 4.1):

Accessories must conform to dimensions shown in respective figures:

Important Notes:

• Fluting at bottom of half round channel permitted (Fig. 2 note)
• Ovality within dimensional tolerance is allowed
• Functional dimensions are mandatory; other requirements per IS 2556 Part 1 (General requirements) must be met
• Water seal in traps: minimum 20 mm (Fig. 3B)

Compliance & Marking (Clause 9.2.2):

• Use of BIS Standard Mark governed by BIS Act, 1986
• Licensing details available from BIS

Summary Diagram: Accessories & Key Dimensions

graph TD
    A[Sanitary Accessories] --> B[Half Round Channel]
    A --> C[Foot Rest]
    A --> D[Traps for Squatting Pans]
    A --> E[Floor Traps]
    A --> F[Shower Rose]

    B -->|Fig. 1| G[Optional Stop End/Outlet/Socket]
    C -->|Fig. 2| H[Non-Slippery Surface]
    D -->|Fig. 3| I[Water Seal ≥ 20mm]
    E -->|Fig. 4| J[Ovality Allowed]
    F -->|Fig. 5| K[Typical Vitre

IS 2556 (Part 7): 1995 - Key References, Dimensions & Specifications

This part specifies requirements for vitreous china accessories: half round channels, foot rests, traps for squatting pans, floor traps, and shower roses.

Key Dimensions & Figures (Clause 4.1)

• Water Seal for traps: Minimum 20 mm (Fig. 3B).
• Ovality: Permissible within dimensional tolerances.
• Surface: Non-slippery design via chequering or fluting (Fig. 2).
• Fluting: Allowed at bottom of half round channels.

Compliance & General Requirements

• Follow IS 2556 (Part 1):1994 for general requirements (materials, thickness, finish, tests).
• Dimensions are in millimeters.
• Rounding off per IS 2:1960 rules.

Certification (Clause 9.2.2)

• Use of BIS Standard Mark governed by BIS Act 1986.
• Licensing details available from BIS.

Important Notes

• This Part 7 merges and updates earlier Parts 10-13.
• Illustrations are indicative; functional dimensions must be strictly followed.

Summary Table of Accessories Dimensions (Indicative)

For detailed dimensional tables and figures, refer to IS 2556 (Part 7):1995 full text.

flowchart TD
    A[IS 2556 Part 7 Accessories] --> B[Half

IS 2556 (Part 7): General Requirements for Accessories of Vitreous Sanitary Appliances

1. Scope & Applicability

• Covers dimensions, tolerances, construction, finish, tests, and marking for accessories like:
  • Half round channel
  • Footrest
  • Traps for squatting pans
  • Floor traps
  • Shower rose

2. Dimensions (Clause 4.1 & Table)

• Accessories must conform to specified dimensions as per respective figures (Fig. 2 to Fig. 5).

• Example:

  Accessory	Reference Figure
  Half round channel	Fig. 2
  Foot rest	Fig. 2
  Traps for squatting pans	Fig. 3
  Floor traps	Fig. 4
  Shower rose	Fig. 5

• Note: Fluting at the bottom of half-round channels is permissible.

3. Compliance (Clause 4.3)

• Except functional dimensions, all other requirements of IS 2556 Part 7 must be strictly followed.

4. Material & Manufacturing

• Accessories made of vitreous china.
• Follow general requirements of IS 2556 Part 1:1994 for materials, defects, thickness, finish, and tests.

5. Testing & Marking

• Testing methods and marking as per IS 2556 (Part 1).
• Rounding off numerical values per IS 2:1960.

Summary Table: Key Specifications

flowchart TD
    A[Accessories] --> B[Half Round Channel]
    A --> C[Foot Rest]
    A --> D[Traps for Squatting P

IS 2556 (Part 7) - Dimensions and Tolerances for Vitreous China Accessories

Key Points from Clause 4:

• Dimensions: Accessories like half round channels, foot rests, traps for squatting pans, floor traps, and shower roses must conform to dimensions shown in respective figures (Figs. 2 to 5).
• Tolerances: Where not specified, tolerances follow IS 2556 (Part 1):1994.
• Construction: Accessories must be one-piece construction except for floor trap grating (jali), which is separate.
• Surface Finish: All water-contact surfaces must be uniformly glazed and smooth.
• Functional Dimensions: Must strictly comply with the standard; other dimensions follow general requirements.

Tolerance Reference:

Refer to IS 2556 (Part 1):1994 for dimensional tolerances, typically:

Notes:

• Fluting at the bottom of half round channels is allowed.
• Water seal minimum for traps: 20 mm.

Summary Table of Accessories & Key Dimensions (Indicative):

flowchart LR
    A[Accessories] --> B(Half Round Channel)
    A --> C(Foot Rest)
    A --> D(Traps for Squatting Pans)
    A --> E(Floor Traps)
    A --> F(Shower Rose)
    E --> G(Separate Grating)
    D --> H(Water Seal ≥ 20 mm)

**For detailed dimensional tables, consult respective figures in

IS 2556 Part 7: Construction and Finish of Accessories for Vitreous Sanitary Appliances

Key Specifications:

• Accessories Covered: Half round channel, Foot rest, Traps for squatting pans, Floor traps, Shower rose.
• Construction: Accessories must be one-piece construction, except floor trap grating (jali) which is separate.
• Functional Surfaces: All water-contact surfaces must be uniformly glazed and smooth for efficient function.
• Dimensions & Tolerances: As per Clause 4.1 and respective figures (Fig. 2 to Fig. 5). Tolerances follow IS 2556 Part 1:1994 where not specified.
• Design Notes:
  • Fluting at the bottom of channels is permissible.
  • Water seal in traps for squatting pans minimum 20 mm.
• Finish: Smooth, uniform glazing on all functional surfaces.

Dimension Table (Extract from Clause 4.1):

Summary:

• Accessories must comply with IS 2556 Part 1 for general requirements.
• Emphasis on one-piece construction and glazed finish for durability and hygiene.
• Follow figures for exact dimensions and tolerances.
• Water seal in squatting pan traps is critical for odor control.

flowchart LR
    A[Accessories] --> B[Half round channel]
    A --> C[Foot rest]
    A --> D[Traps for squatting pans]
    A --> E[Floor traps]
    A --> F[Shower rose]

    D --> G[Water seal ≥ 20 mm]
    E --> H[Separate grating]
    B --> I[Fluting allowed]

References:

• IS 2556 (Part 7):1995,

IS 2556 Part 7: Performance Tests Summary

1. Performance Test for Shower Rose (Clause 7.1)

• Test Setup:
  • Install shower rose at 2100 mm height from floor.
  • Provide a minimum 3 m water head.
• Acceptance Criteria:
  • Water must wet a circular area ≥ 450 mm diameter on the floor.

2. Flushing Test for Traps (Clause 7.2)

• Applicable only for traps for squatting pans.
• Performed as per IS 2556 Part 3:1994 provisions.

Additional Notes:

• Sampling and inspection follow IS 9140:1996.
• Dimensions for accessories like shower rose, traps, etc., are given in respective figures (Fig. 2 to Fig. 5).

Visual Summary of Shower Rose Performance Test:

flowchart TD
    A[Shower Rose Mounted at 2100 mm Height]
    B[Water Head ≥ 3 m]
    C[Water Spray]
    D[Circular Wet Area on Floor ≥ 450 mm Diameter]

    A --> B --> C --> D

This ensures proper water distribution and functional performance of sanitary appliances.

IS 2556 Part 7 (1995) - Sampling, Progress Inspection, and Lot Inspection

1. Sampling & Inspection Methods:

   • Refer IS 9140:1996 for detailed procedures on:
     • Sampling plans for vitreous and fire clay sanitary appliances.
     • Progress inspection during manufacturing.
     • Lot inspection criteria and acceptance/rejection rules.

2. Key Points:

   • Sampling is statistical, based on lot size and quality level.
   • Progress inspection ensures ongoing compliance.
   • Lot inspection validates the final batch quality.

3. Flushing Test (Clause 7.2):

   • Applicable only for traps for squatting pans (see Fig. 3).
   • Conducted as per IS 2556 Part 3:1994 provisions.

4. Dimensions & Figures (Clause 4.1):

   • Accessories dimensions as per respective figures:
     • Half round channel, Foot rest (Fig. 2)
     • Traps for squatting pans (Fig. 3)
     • Floor traps (Fig. 4)
     • Shower rose (Fig. 5)

Summary Table: Sampling Reference

flowchart TD
    A[Manufacturing Process] --> B[Progress Inspection (IS 9140)]
    B --> C[Sampling of Products (IS 9140)]
    C --> D{Lot Inspection}
    D -->|Pass| E[Accept Lot]
    D -->|Fail| F[Reject Lot]
    E --> G[Dispatch]
    F --> H[Rework or Scrap]

For exact sampling sizes and acceptance criteria, consult IS 9140:1996 tables directly.

IS 2556 Part 7 (1995) — Marking Specifications

Marking Requirements (Clause 9.1 & 9.2)

Each accessory piece shall be clearly and indelibly marked at a suitable place with:

• Manufacturer's name or trade-mark
• Batch or lot number

Additionally, the product may bear the BIS Standard Mark (Clause 9.2.1) indicating BIS certification.

Dimensions Reference (Clause 4.1 & Table 4)

Accessories must conform to specified dimensions as per respective figures:

• Half round channel (Fig. 1)
• Foot rest (Fig. 2)
• Traps for squatting pans (Fig. 3)
• Floor traps (Fig. 4)
• Shower rose (Fig. 5)

Note: Figures illustrate typical design only.

Summary Table for Marking

This marking ensures traceability and quality assurance per IS 2556 Part 7.

IS 2556 Part 7: BIS Certification Marking (Clause 9.2)

Key Points:

• Clause 9.2.1: Products may be marked with the BIS Standard Mark to indicate conformity.
• Clause 9.2.2: Use of the Standard Mark is regulated by the Bureau of Indian Standards Act, 1986 and related rules. Licensing details can be obtained from BIS.

Marking Requirements (Clause 9.1)

Each product accessory must be clearly and indelibly marked with:

• Manufacturer's name or trade-mark
• Batch or lot number

Summary Table for Certification Marking

Additional Notes

• Certification mark use is subject to BIS licensing.
• Marking ensures product traceability and quality assurance.
• Ovality and dimensional tolerances are allowed as per the product specifications.

flowchart TD
    A[Product] --> B[Mark Manufacturer Name/Trade-mark]
    B --> C[Mark Batch/Lot Number]
    C --> D[Apply BIS Standard Mark (if licensed)]
    D --> E[Product Certified & Traceable]

This ensures compliance with IS 2556 Part 7 and BIS regulations.

IS 2556 Part 7: Committee Composition Summary

The Committee Composition for IS 2556 Part 7 is detailed in Annex A and includes representatives from various government bodies, research institutes, industries, and professional organizations related to sanitary appliances and water fittings.

Key Points:

• Chairman: Shri S. Prakash (Delhi Water Supply and Sewage Disposal Undertaking)
• Members: Include officials and experts from:
  • Central Public Health and Environmental Engineering
  • Ministry of Defence (Engineer-in-Chief's Branch)
  • CSIR Institutes (Glass & Ceramic Research, Environmental Engineering)
  • Public Health Engineering Departments (Kerala Water Authority, Maharashtra Water Supply)
  • Industry representatives (Hindustan Sanitaryware, Kirloskar Brothers, E.I.D. Parry)
  • Central Public Works Department
  • Indian Water Works Association and Institution of Engineers (India)
  • BIS Director General (Ex-officio Member)
• Member Secretaries: Shri S. S. Sethi and Shri R. S. Juneja (BIS Civil Engineering Directorate)

Purpose:

• To oversee and guide the standardization of vitreous sanitary appliances and related water fittings.
• Ensure representation from all stakeholders in public health, engineering, manufacturing, and research.

No formulas or tables apply to committee composition. For technical specs, refer to respective clauses and figures (e.g., dimensions in Clause 4.1 and Figures 1-5).

graph TD
A[Committee Composition] --> B[Chairman]
A --> C[Members]
A --> D[Member Secretaries]

B --> E[Shri S. Prakash]
C --> F[Govt. Bodies]
C --> G[Research Institutes]
C --> H[Industry Representatives]
C --> I[Professional Organizations]
D --> J[Shri S. S. Sethi]
D --> K[Shri R. S. Juneja]

For detailed technical design and dimensions, consult Clause 4.1 and figures in IS 2556 Part 7.