Fabricated PVC-U Fittings for Potable Water Supplies - Specification, Part 6: Specific Requirements for Flanged Tail Pieces with Metallic Flanges

IS 10124 Part 6: Scope - Key Specifications & Tables

Scope Summary:

• Covers dimensions and specifications for flanged tail pieces with metallic flanges for elastomeric sealing ring joints.
• Applicable for PVC-U fabricated fittings used in potable water supplies.
• Dimensions and tolerances are critical for proper jointing and sealing.

Key Table: Dimensions of Flanged Tail Piece with Metallic Flange (Elastomeric Sealing Ring Joint)

IS 10124 Part 6 (2009) - Key References & Flanged Tail Piece Dimensions

References (Table 2)

Flanged Tail Piece with Metallic Flange Dimensions (mm)

(For Elastomeric Sealing Ring Joint, Clause 3.2.2)

Note: Full table available in IS 10124 Part 6.

Additional Specifications:

• Rounding off values per IS 2:1960 rules.
• BIS certification

IS 10124 Part 6: Manufacture - Key Specifications and Table

Manufacture Clause (3.2)

• Refers to dimensional and material specifications for flanged tail pieces with metallic flanges designed for elastomeric sealing ring joints.
• Compliance with referenced standards (IS 210, IS 4985, IS 10124 Part 1) is mandatory.
• Final test values must be rounded per IS 2:1960 rules.

Key Table: Dimensions of Flanged Tail Piece with Metallic Flange (Clause 3.2.2)

*Note: Dia d tolerance is +1.0 to -0 mm for most sizes, +2.

IS 10124 Part 6 (2009) — Key Dimensions for Flanged Tail Pieces

1. Flanged Tail Piece with Metallic Flange (PVC) — Table 1 & Fig. 1

All dimensions in mm. Key parameters:

Refer Table 1 for full sizes.

2. Flanged Tail Piece with Metallic Flange for Elastomeric Sealing Ring Joint — Table 2 & Fig. 2

All dimensions in mm. Key parameters:

IS 10124 Part 6: Flanged Tail Piece Key Details

1. Illustration

• Fig. 1: Typical PVC flanged tail piece with metallic flange (defines terms in Table 1).
• Fig. 2: Flanged tail piece with metallic flange for elastomeric sealing ring joint (defines terms in Table 2).

2. Dimensions (Clause 3.2.2 & Table 1)

Dimensions for PVC flanged tail pieces with metallic flanges (all in mm):

Refer to Table 1 for full sizes.

3. Socketed Tail Piece

• May be plain or socketed.
• Socket dimensions follow **IS 10124

IS 10124 Part 6: Flanged Tail Pieces — Key Specifications & Dimensions

Types:

• Plain flanged tail piece
• Socketed flanged tail piece (socket per IS 10124 Part 1)

Dimensions for PVC Flanged Tail Piece with Metallic Flanges (Table 1, Fig. 1)

(Refer to Table 1 in IS 10124 Part 6 for full sizes)

Notes:

• Dia d: Tail piece internal diameter with tolerance +1.0/-0 mm.
• Bolt Size corresponds

IS 10124 Part 6: Material & Dimensions for Metallic Flanges

1. Material Specification (Clause 3.2.3)

• Metallic flanges shall be made of cast iron.
• Minimum quality: Grade FG 150 as per IS 210.

2. Dimensions (Clause 3.2.2)

• Dimensions must follow Table 1 & Fig. 1 for PVC flanged tail pieces with metallic flanges.
• For elastomeric sealing ring joints, dimensions follow Table 2 & Fig. 2.

3. Key Dimensions from Table 2 (Elastomeric Sealing Ring Joint)

All dimensions in mm.

4. Notes:

• Dia d includes tolerance (+1.0 or +2.0 mm).
• T = Thickness of flange.
• Bolt sizes increase with nominal size (M16 to M27).
• Refer to IS 210 for detailed cast iron Grade FG 150 properties.

Illustration of flange terms (Fig. 2):

IS 10124 Part 6 - Marking of Flanged Tail Pieces with Metallic Flange

Key Marking Requirements (Clause 4.1)

Each flange tail piece must be clearly and indelibly marked with:

• Manufacturer's name or ID mark
• Size of flange tail piece and Class (working pressure) per IS 4985
• Colour code for class of fittings:

BIS Certification Marking (Clause 4.2)

• Optional Standard Mark usage governed by BIS Act, 1986.
• Manufacturer must obtain license for Standard Mark.

Important Dimensional Tables for Flanged Tail Pieces (All dimensions in mm)

Refer IS 10124 Part 6 Table 2 for full size range.

Summary Diagram of Marking Elements

flowchart LR
    A[

IS 10124 Part 6: Marking Requirements for Flanged Tail Pieces with Metallic Flange

1. Marking Details (Clause 4.1)

Each flange tail piece must be clearly and indelibly marked with:

• Manufacturer's name or identification mark
• Size of the flange tail piece and the corresponding class (working pressure) as per IS 4985
• Colour marking according to the class of fittings:

2. BIS Certification Marking (Clause 4.2)

• Flanged tail pieces may also bear the BIS Standard Mark for certification.

3. Dimensional Specifications (Excerpt from Table 2)

(Refer to full Table 2 for all sizes)

4. Rounding Off (General)

• Values shall be rounded off as per IS 2:1960 rules, maintaining the same number of significant figures

BIS Certification Marking (IS 10124 Part 6: 2009)

Clause 4.2 specifies that each flanged tail piece with a metallic flange may be marked with the BIS Standard Mark to indicate conformity.

Key Specifications for Flanged Tail Piece with Metallic Flange (Table 2)

Refer to the full table for intermediate sizes.

Additional Notes:

• Marking: The BIS Standard Mark certifies compliance with Indian Standards.
• Dimensions: All dimensions are in millimeters.
• Bolt Sizes: Range from M16 to M27 depending on nominal size.
• Tolerance: Diameter "d" has a positive tolerance (+1.0 or +2.0 mm) and zero negative tolerance.

Summary Diagram: Flanged Tail Piece Marking

graph LR
A[Flanged Tail Piece] --> B[Metallic Flange]
B --> C[BIS Standard Mark]
B --> D[Dimensions per Table 2]
D --> E[Nominal Size, Dia G, Dia D, Dia d, Thickness, Bolt Size]

For detailed dimensions and marking guidelines, refer to **Clause 4.2 and Table 2 of IS 10124 Part