All dimensions in millimetres.
Figure description:
The image illustrates three types of pipe nipples with dimensions in millimetres:
- Running Nipple (Parallel Threads: Features parallel threads across its entire length, designated as dimension A.
- Close Taper Nipple (Taper Threads Both Ends: Consists of two tapered threaded sections meeting in the middle. Total length is dimension B, with each tapered section being B/2.
- Barrel Nipple (Taper Threads Both Ends: Features tapered threads at both ends separated by a straight center section. The total length is designated as dimension C.
i) | Standard Length: Running Nipple, A=13.0, Close Taper Nipple, B=19.0, Barrel Nipple, C=32.0, Barrel Nipple, C=3.0, Nominal Bore (2)=6.0 ii) | Standard Length: Running Nipple, A=19.0, Close Taper Nipple, B=27.0, Barrel Nipple, C=38.0, Barrel Nipple, C=3.0, Nominal Bore (2)=8.0 iii) | Standard Length: Running Nipple, A=21.0, Close Taper Nipple, B=28.0, Barrel Nipple, C=38.0, Barrel Nipple, C=3.0, Nominal Bore (2)=10.0 iv) | Standard Length: Running Nipple, A=27.0, Running Nipple, A=1.5, Close Taper Nipple, B=37.0, Close Taper Nipple, B=1.5, Barrel Nipple, C=51.0, Barrel Nipple, C=4.5, Nominal Bore (2)=15.0 v) | Standard Length: Running Nipple, A=30.0, Running Nipple, A=1.5, Close Taper Nipple, B=39.0, Close Taper Nipple, B=1.5, Barrel Nipple, C=54.0, Barrel Nipple, C=4.5, Nominal Bore (2)=20.0
| Nominal Bore (2) | Running Nipple, A | Close Taper Nipple, B | Barrel Nipple, C | ||
|---|---|---|---|---|---|
| i) | Standard Length | 6.0 | 13.0 | 19.0 | 3.0 |
| ii) | Standard Length | 8.0 | 19.0 | 27.0 | 3.0 |
| iii) | Standard Length | 10.0 | 21.0 | 28.0 | 3.0 |
| iv) | Standard Length | 15.0 | 1.5 | 1.5 | 4.5 |
| v) | Standard Length | 20.0 | 1.5 | 1.5 | 4.5 |
| vi) | Standard Length | 25.0 | 1.5 | 1.5 | 4.5 |
| vii) | Standard Length | 32.0 | 38.0 | 51.0 | 6.0 |
| viii) | Standard Length | 40.0 | 38.0 | 51.0 | 6.0 |
| ix) | Standard Length | 50.0 | 48.0 | 60.0 | 6.0 |
| x) | Standard Length | 65.0 | 3.0 | 3.0 | 8.0 |
| xi) | Standard Length | 80.0 | 3.0 | 3.0 | 8.0 |
| Standard Length | 100.0 | 3.0 | 3.0 | 8.0 | |
| xii) | Standard Length | 125.0 | 78.0 | 96.0 | 124.0 |
| xiv) | Standard Length | 150.0 | 78.0 | 96.0 | 127.0 |
iv) | Approximate Standard Length, C: Unnamed: 5_level_1=1001), Unnamed: 6_level_1=150, Unnamed: 7_level_1=200, Unnamed: 8_level_1=250, Nominal Bore=15, Minimum Effective Length of Long Thread, B=52 v) | Faced Socket, A: Length, Min=37, Tolerance=3.0, Nominal Bore=20, Minimum Effective Length of Long Thread, B=54 v) | Approximate Standard Length, C: Unnamed: 5_level_1=1001), Unnamed: 6_level_1=150, Unnamed: 7_level_1=200, Unnamed: 8_level_1=250, Nominal Bore=20, Minimum Effective Length of Long Thread, B=54 vi) | Faced Socket, A: Length, Min=43, Tolerance=3.0, Nominal Bore=25, Minimum Effective Length of Long Thread, B=62 vi) | Approximate Standard Length, C: Unnamed: 5_level_1=1001), Unnamed: 6_level_1=150, Unnamed: 7_level_1=200, Unnamed: 8_level_1=250, Nominal Bore=25, Minimum Effective Length of Long Thread, B=62 vii) | Faced Socket, A: Length, Min=48, Tolerance=4.5, Nominal Bore=32, Minimum Effective Length of Long Thread, B=70 vii) | Approximate Standard Length, C: Unnamed: 5_level_1=1501), Unnamed: 6_level_1=200, Unnamed: 7_level_1=250, Unnamed: 8_level_1=300, Nominal Bore=32, Minimum Effective Length of Long Thread, B=70 viii) | Faced Socket, A: Length, Min=48, Tolerance=4.5, Nominal Bore=40, Minimum Effective Length of Long Thread, B=71 viii) | Approximate Standard Length, C: Unnamed: 5_level_1=1501), Unnamed: 6_level_1=200, Unnamed: 7_level_1=250, Unnamed: 8_level_1=300, Nominal Bore=40, Minimum Effective Length of Long Thread, B=71 ix) | Faced Socket, A: Length, Min=57, Tolerance=4.5, Nominal Bore=50, Minimum Effective Length of Long Thread, B=82 ix) | Approximate Standard Length, C: Unnamed: 5_level_1=1501), Unnamed: 6_level_1=2001), Unnamed: 7_level_1=250, Unnamed: 8_level_1=300, Nominal Bore=50, Minimum Effective Length of Long Thread, B=82 x) | Faced Socket, A: Length, Min=65, Tolerance=6.0, Nominal Bore=65, Minimum Effective Length of Long Thread, B=97
x) | Approximate Standard Length, C: Unnamed: 5_level_1=1501), Unnamed: 6_level_1=2001), Unnamed: 7_level_1=2501), Unnamed: 8_level_1=300, Nominal Bore=65, Minimum Effective Length of Long Thread, B=97 xi) | Faced Socket, A: Length, Min=71, Tolerance=6.0, Nominal Bore=80, Minimum Effective Length of Long Thread, B=106 xi) | Approximate Standard Length, C: Unnamed: 5_level_1=2001), Unnamed: 6_level_1=2001), Unnamed: 7_level_1=300, Unnamed: 8_level_1=400, Nominal Bore=80, Minimum Effective Length of Long Thread, B=106 xii) | Faced Socket, A: Length, Min=84, Tolerance=6.0, Nominal Bore=100, Minimum Effective Length of Long Thread, B=121 xii) | Approximate Standard Length, C: Unnamed: 5_level_1=2001), Unnamed: 6_level_1=2501), Unnamed: 7_level_1=300, Unnamed: 8_level_1=400, Nominal Bore=100, Minimum Effective Length of Long Thread, B=121 xiii) | Faced Socket, A: Length, Min=92, Tolerance=6.0, Nominal Bore=125, Minimum Effective Length of Long Thread, B=130 xiii) | Approximate Standard Length, C: Unnamed: 5_level_1=2501), Unnamed: 6_level_1=3001), Unnamed: 7_level_1=400, Unnamed: 8_level_1=500, Nominal Bore=125, Minimum Effective Length of Long Thread, B=130 xiv) | Faced Socket, A: Length, Min=92, Tolerance=6.0, Nominal Bore=150, Minimum Effective Length of Long Thread, B=132 xiv) | Approximate Standard Length, C: Unnamed: 5_level_1=2501), Unnamed: 6_level_1=3001), Unnamed: 7_level_1=400, Unnamed: 8_level_1=500, Nominal Bore=150, Minimum Effective Length of Long Thread, B=132 NOTE — For particulars of back nuts, see IS 3468.
- Double longscrew are not supplied in these lengths.
IS 1239 (Part 2) : 2011
Table 3 Dimensions of Longscrews
(Clauses 8.3.1 and 8.6)
All dimensions in millimetres.
Figure description:
Technical Drawing Details:
- Subject: Mechanical pipe fittings/connectors shown in two configurations.
- Key Features:
- Thread Types: Parallel pipe threads and taper pipe threads are specified.
- Dimensional Variables:
- A: Length of end caps/collars.
- B: Length of parallel threaded sections.
- C: Total span/length of the main body.
- Angles: 15° slant indicated on the locking nuts/rings.
- Units: All dimensions are in millimetres (mm)).
i) | Faced Socket, A: Length, Min=17, Tolerance=1.5, Nominal Bore=6, Minimum Effective Length of Long Thread, B=29 i) | Approximate Standard Length, C: Unnamed: 5_level_1=100, Unnamed: 6_level_1=150, Unnamed: 7_level_1=200, Unnamed: 8_level_1=250, Nominal Bore=6, Minimum Effective Length of Long Thread, B=29 ii) | Faced Socket, A: Length, Min=25, Tolerance=1.5, Nominal Bore=8, Minimum Effective Length of Long Thread, B=37 ii) | Approximate Standard Length, C: Unnamed: 5_level_1=100, Unnamed: 6_level_1=150, Unnamed: 7_level_1=200, Unnamed: 8_level_1=250, Nominal Bore=8, Minimum Effective Length of Long Thread, B=37 iii) | Faced Socket, A: Length, Min=25, Tolerance=1.5, Nominal Bore=10, Minimum Effective Length of Long Thread, B=40 iii) | Approximate Standard Length, C: Unnamed: 5_level_1=1001), Unnamed: 6_level_1=150, Unnamed: 7_level_1=200, Unnamed: 8_level_1=250, Nominal Bore=10, Minimum Effective Length of Long Thread, B=40 iv) | Faced Socket, A: Length, Min=35, Tolerance=3.0, Nominal Bore=15, Minimum Effective Length of Long Thread, B=52
| Nominal Bore | Minimum Effective Length of Long Thread, B | Length, Min | Tolerance | Unnamed: 5_level_1 | Unnamed: 6_level_1 | Unnamed: 7_level_1 | Unnamed: 8_level_1 | ||
|---|---|---|---|---|---|---|---|---|---|
| i) | Faced Socket, A | 6 | 29 | 17 | 1.5 | ||||
| i) | Approximate Standard Length, C | 6 | 29 | 100 | 150 | 200 | 250 | ||
| ii) | Faced Socket, A | 8 | 37 | 25 | 1.5 | ||||
| ii) | Approximate Standard Length, C | 8 | 37 | 100 | 150 | 200 | 250 | ||
| iii) | Faced Socket, A | 10 | 40 | 25 | 1.5 | ||||
| iii) | Approximate Standard Length, C | 10 | 40 | 1001) | 150 | 200 | 250 | ||
| iv) | Faced Socket, A | 15 | 52 | 35 | 3.0 | ||||
| iv) | Approximate Standard Length, C | 15 | 52 | 1001) | 150 | 200 | 250 | ||
| v) | Faced Socket, A | 20 | 54 | 37 | 3.0 | ||||
| v) | Approximate Standard Length, C | 20 | 54 | 1001) | 150 | 200 | 250 | ||
| vi) | Faced Socket, A | 25 | 62 | 43 | 3.0 | ||||
| vi) | Approximate Standard Length, C | 25 | 62 | 1001) | 150 | 200 | 250 | ||
| vii) | Faced Socket, A | 32 | 70 | 48 | 4.5 | ||||
| vii) | Approximate Standard Length, C | 32 | 70 | 1501) | 200 | 250 | 300 | ||
| viii) | Faced Socket, A | 40 | 71 | 48 | 4.5 | ||||
| viii) | Approximate Standard Length, C | 40 | 71 | 1501) | 200 | 250 | 300 | ||
| ix) | Faced Socket, A | 50 | 82 | 57 | 4.5 | ||||
| ix) | Approximate Standard Length, C | 50 | 82 | 1501) | 2001) | 250 | 300 | ||
| x) | Faced Socket, A | 65 | 97 | 65 | 6.0 | ||||
| x) | Approximate Standard Length, C | 65 | 97 | 1501) | 2001) | 2501) | 300 | ||
| xi) | Faced Socket, A | 80 | 106 | 71 | 6.0 | ||||
| xi) | Approximate Standard Length, C | 80 | 106 | 2001) | 2001) | 300 | 400 | ||
| xii) | Faced Socket, A | 100 | 121 | 84 | 6.0 | ||||
| xii) | Approximate Standard Length, C | 100 | 121 | 2001) | 2501) | 300 | 400 | ||
| xiii) | Faced Socket, A | 125 | 130 | 92 | 6.0 | ||||
| xiii) | Approximate Standard Length, C | 125 | 130 | 2501) | 3001) | 400 | 500 | ||
| xiv) | Faced Socket, A | 150 | 132 | 92 | 6.0 | ||||
| xiv) | Approximate Standard Length, C | 150 | 132 | 2501) | 3001) | 400 | 500 |
vii) | Approximate Centre to Face for Springs: 112.5°=133, 135°=127, 157.5°=124, Nominal Bore (2)=32, Bends 90° Approximate Centre of Face=197, Approximate Radius=108 viii) | Approximate Centre to Face for Springs: 112.5°=149, 135°=143, 157.5°=140, Nominal Bore (2)=40, Bends 90° Approximate Centre of Face=219, Approximate Radius=127 ix) | Approximate Centre to Face for Springs: 112.5°=181, 135°=175, 157.5°=168, Nominal Bore (2)=50, Bends 90° Approximate Centre of Face=264, Approximate Radius=159 x) | Approximate Centre to Face for Springs: 112.5°=222, 135°=213, 157.5°=206, Nominal Bore (2)=65, Bends 90° Approximate Centre of Face=321, Approximate Radius=197 xi) | Approximate Centre to Face for Springs: 112.5°=260, 135°=248, 157.5°=241, Nominal Bore (2)=80, Bends 90° Approximate Centre of Face=371, Approximate Radius=232 xii) | Approximate Centre to Face for Springs: 112.5°=340, 135°=324, 157.5°=318, Nominal Bore (2)=100, Bends 90° Approximate Centre of Face=467, Approximate Radius=308 xiii) | Approximate Centre to Face for Springs: 112.5°=476, 135°=457, 157.5°=444, Nominal Bore (2)=125, Bends 90° Approximate Centre of Face=632, Approximate Radius=460 xiv) | Approximate Centre to Face for Springs: 112.5°=572, 135°=540, 157.5°=527, Nominal Bore (2)=150, Bends 90° Approximate Centre of Face=718, Approximate Radius=540