
Figure description:
- Entity: Socket Reducing (technical drawing
- Dimension A: Overall length of the fitting in millimetres
- Port 1: Larger diameter inlet/outlet
- Port 2: Smaller diameter inlet/outlet
- Context: Clause 9.1 technical specification
All dimensions in millimetres.
SOCKET REDUCING | Sl No.: (1)=i), (1).1=xxii) | Nominal Size of Outlet: (1) × (2) (2)=8 x 6, (1) × (2) (2).1=50 x 15 | Minimum Length: A (3)=25.0, A (3).1=70 | Sl No.: (1)=ii), (1).1=xxiii) | Nominal Size of Outlet: (1) × (2) (2)=10 x 6, (1) × (2) (2).1=50 x 20 | Minimum Length: A (3)=30.0, A (3).1=68 | Sl No.: (1)=iii), (1).1=xxiv) | Nominal Size of Outlet: (1) × (2) (2)=10 x 8, (1) × (2) (2).1=50 x 25 | Minimum Length: A (3)=29.0, A (3).1=67 | Sl No.: (1)=iv), (1).1=xxv) | Nominal Size of Outlet: (1) × (2) (2)=15 x 6, (1) × (2) (2).1=50 x 32 | Minimum Length: A (3)=41.0, A (3).1=65 | Sl No.: (1)=v), (1).1=xxvi) | Nominal Size of Outlet: (1) × (2) (2)=15 x 8, (1) × (2) (2).1=50 x 40
| (1) | (1).1 | (1) × (2) (2) | (1) × (2) (2).1 | A (3) | A (3).1 | |
|---|---|---|---|---|---|---|
| Sl No. | i) | xxii) | ||||
| Nominal Size of Outlet | 8 x 6 | 50 x 15 | ||||
| Minimum Length | 25.0 | 70 | ||||
| Sl No. | ii) | xxiii) | ||||
| Nominal Size of Outlet | 10 x 6 | 50 x 20 | ||||
| Minimum Length | 30.0 | 68 | ||||
| Sl No. | iii) | xxiv) | ||||
| Nominal Size of Outlet | 10 x 8 | 50 x 25 | ||||
| Minimum Length | 29.0 | 67 | ||||
| Sl No. | iv) | xxv) | ||||
| Nominal Size of Outlet | 15 x 6 | 50 x 32 | ||||
| Minimum Length | 41.0 | 65 | ||||
| Sl No. | v) | xxvi) | ||||
| Nominal Size of Outlet | 15 x 8 | 50 x 40 | ||||
| Minimum Length | 40.0 | 64 | ||||
| Sl No. | vi) | xxvii) | ||||
| Nominal Size of Outlet | 15 x 10 | 65 x 25 | ||||
| Minimum Length | 38.0 | 76 | ||||
| Sl No. | vii) | xxviii) | ||||
| Nominal Size of Outlet | 20 x 8 | 65 x 32 | ||||
| Minimum Length | 44.0 | 75 | ||||
| Sl No. | viii) | xxix) | ||||
| Nominal Size of Outlet | 20 x 10 | 65 x 40 | ||||
| Minimum Length | 43.0 | 73 | ||||
| Sl No. | ix) | xxx) | ||||
| Nominal Size of Outlet | 20 x 15 | 65 x 50 | ||||
| Minimum Length | 41.0 | 71 | ||||
| Sl No. | x) | xxxi) | ||||
| Nominal Size of Outlet | 25 x 8 | 80 x 25 | ||||
| Minimum Length | 54.0 | 86 | ||||
| Sl No. | xi) | xxxii) | ||||
| Nominal Size of Outlet | 25 x 10 | 80 x 32 | ||||
| Minimum Length | 52.0 | 84 | ||||
| Sl No. | xii) | xxxiii) | ||||
| Nominal Size of Outlet | 25 x 15 | 80 x 40 | ||||
| Minimum Length | 51.0 | 83 | ||||
| Sl No. | xiii) | xxxiv) | ||||
| Nominal Size of Outlet | 25 x 20 | 80 x 50 | ||||
| Minimum Length | 49.0 | 81 | ||||
| Sl No. | xiv) | xxxv) | ||||
| Nominal Size of Outlet | 32 x 10 | 80 x 65 | ||||
| Minimum Length | 60.0 | 79 | ||||
| Sl No. | xv) | xxxvi) | ||||
| Nominal Size of Outlet | 32 x 15 | 100 x 40 | ||||
| Minimum Length | 59.0 | 105 | ||||
| Sl No. | xvi) | xxxvii) | ||||
| Nominal Size of Outlet | 32 x 20 | 100 x 50 | ||||
| Minimum Length | 57.0 | 100 | ||||
| Sl No. | xvii) | xxxviii) | ||||
| Nominal Size of Outlet | 32 x 25 | 100 x 65 | ||||
| Minimum Length | 56.0 | 100 | ||||
| Sl No. | xviii) | xxxix) | ||||
| Nominal Size of Outlet | 40 x 15 | 100 x 80 | ||||
| Minimum Length | 65.0 | 98 | ||||
| Sl No. | xix) | xxxx) | ||||
| Nominal Size of Outlet | 40 x 20 | 125 x 80 | ||||
| Minimum Length | 64.0 | 115 | ||||
| Sl No. | xx) | xxxxi) | ||||
| Nominal Size of Outlet | 40 x 25 | 125 x 100 | ||||
| Minimum Length | 62.0 | 115 | ||||
| Sl No. | xxi) | xxxxii) | ||||
| Nominal Size of Outlet | 40 x 32 | 150 x 80 | ||||
| Minimum Length | 60.0 | 140 | ||||
| Sl No. | xxxxiii) | |||||
| Nominal Size of Outlet | 150 x 100 | |||||
| Minimum Length | 140 |

Figure description:
- Entity: Flat Cap ("CAP FLAT"
- Dimension A: Total length/depth of the cap
- Dimension T: Wall thickness
- Units: All dimensions in millimetres
- Features: Schematic shows a cross-sectional view with rounded outer corners and a flat face.

Figure description:
Entity: Cap Dome (technical diagram
Key Dimensions:
- A: Total height or length of the dome.
- T: Wall thickness of the material.
Details:
- The diagram shows a partial cross-section of a cylindrical cap with a rounded end.
- Includes a horizontal centerline indicating symmetry.
NOTE — Flat or dome pattern caps may be supplied at the option of the manufacturer.
| Nominal Size | Minimum Length | Minimum Thickness | |
|---|---|---|---|
| (1) | (2) | A (3) | T (4) |
| i) | 6 | 19 | 3.5 |
| ii) | 8 | 24 | 3.5 |
| iii) | 10 | 27 | 3.5 |
| iv) | 15 | 37 | 4.0 |
| v) | 20 | 38 | 4.0 |
| vi) | 25 | 44 | 4.5 |
| vii) | 32 | 51 | 5.0 |
| viii) | 40 | 54 | 5.5 |
| ix) | 50 | 60 | 6.0 |
| x) | 65 | 67 | 6.0 |
| xi) | 80 | 73 | 7.0 |
| xii) | 100 | 86 | 7.0 |
| xiii) | 125 | 98 | 7.0 |
| xiv) | 150 | 98 | 7.0 |
| Approximate Size of Square: S (4)=13 | Approximate Height of Square: H (5)=10 | Maximum Internal Diameter: D (6)=— | Minimum Thickness of Metal: K (7)=— | Fittings Allowance in Accordance with IS 554: (8)=23⁄4 | Sl No.: (1)=v) | Nominal Size: (2)=20 | Minimum Length of Thread for Basic Gauge: (3)=14.5 | Approximate Size of Square: S (4)=14 | Approximate Height of Square: H (5)=12 | Maximum Internal Diameter: D (6)=— | Minimum Thickness of Metal: K (7)=— | Fittings Allowance in Accordance with IS 554: (8)=23⁄4 | Sl No.: (1)=vi) | Nominal Size: (2)=25 | Minimum Length of Thread for Basic Gauge: (3)=16.8 | Approximate Size of Square: S (4)=17 | Approximate Height of Square: H (5)=12 | Maximum Internal Diameter: D (6)=22 | Minimum Thickness of Metal: K (7)=4 | Fittings Allowance in Accordance with IS 554: (8)=23⁄4 | Sl No.: (1)=vii) | Nominal Size: (2)=32 | Minimum Length of Thread for Basic Gauge: (3)=19.1 | Approximate Size of Square: S (4)=22 | Approximate Height of Square: H (5)=16 | Maximum Internal Diameter: D (6)=31 | Minimum Thickness of Metal: K (7)=5
| Fittings Allowance in Accordance with IS 554: (8)=23⁄4 | Sl No.: (1)=viii) | Nominal Size: (2)=40 | Minimum Length of Thread for Basic Gauge: (3)=19.1 | Approximate Size of Square: S (4)=27 | Approximate Height of Square: H (5)=16 | Maximum Internal Diameter: D (6)=33 | Minimum Thickness of Metal: K (7)=5 | Fittings Allowance in Accordance with IS 554: (8)=23⁄4 | Sl No.: (1)=ix) | Nominal Size: (2)=50 | Minimum Length of Thread for Basic Gauge: (3)=23.4 | Approximate Size of Square: S (4)=32 | Approximate Height of Square: H (5)=19 | Maximum Internal Diameter: D (6)=48 | Minimum Thickness of Metal: K (7)=5 | Fittings Allowance in Accordance with IS 554: (8)=31⁄4 | Sl No.: (1)=x) | Nominal Size: (2)=65 | Minimum Length of Thread for Basic Gauge: (3)=26.7 | Approximate Size of Square: S (4)=37 | Approximate Height of Square: H (5)=19 | Maximum Internal Diameter: D (6)=62 | Minimum Thickness of Metal: K (7)=6 | Fittings Allowance in Accordance with IS 554: (8)=4 | Sl No.: (1)=xi) | Nominal Size: (2)=80 | Minimum Length of Thread for Basic Gauge: (3)=29.8
| Approximate Size of Square: S (4)=37 | Approximate Height of Square: H (5)=22 | Maximum Internal Diameter: D (6)=73 | Minimum Thickness of Metal: K (7)=8 | Fittings Allowance in Accordance with IS 554: (8)=4 | Sl No.: (1)=xii) | Nominal Size: (2)=100 | Minimum Length of Thread for Basic Gauge: (3)=35.8 | Approximate Size of Square: S (4)=46 | Approximate Height of Square: H (5)=25 | Maximum Internal Diameter: D (6)=97 | Minimum Thickness of Metal: K (7)=10 | Fittings Allowance in Accordance with IS 554: (8)=41⁄2 | Sl No.: (1)=xiii) | Nominal Size: (2)=125 | Minimum Length of Thread for Basic Gauge: (3)=40.1 | Approximate Size of Square: S (4)=51 | Approximate Height of Square: H (5)=29 | Maximum Internal Diameter: D (6)=120 | Minimum Thickness of Metal: K (7)=12 | Fittings Allowance in Accordance with IS 554: (8)=5 | Sl No.: (1)=xiv) | Nominal Size: (2)=150 | Minimum Length of Thread for Basic Gauge: (3)=40.1 | Approximate Size of Square: S (4)=60 | Approximate Height of Square: H (5)=32 | Maximum Internal Diameter: D (6)=145 | Minimum Thickness of Metal: K (7)=12
| Fittings Allowance in Accordance with IS 554: (8)=5 | Sl No.: (1)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required. | Nominal Size: (2)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required. | Minimum Length of Thread for Basic Gauge: (3)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required. | Approximate Size of Square: S (4)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required. | Approximate Height of Square: H (5)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required. | Maximum Internal Diameter: D (6)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required. | Minimum Thickness of Metal: K (7)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required. | Fittings Allowance in Accordance with IS 554: (8)=NOTE — Plugs of nominal sizes 25 to 150 mm may be either solid or hollow, and the attention of the purchaser is drawn to the necessary of stating in his enquiry and order which pattern is required.