GOST 8960-75
GOST 8960−75 Connecting parts from malleable cast iron with cylindrical thread for pipelines. Futorki. Main dimensions (with Amendments No. 1, 2)
GOST 8960−75
Group B61
INTERSTATE STANDARD
CONNECTING PARTS FROM MALLEABLE CAST IRON WITH CYLINDRICAL THREAD FOR PIPELINES. FUTORKI
Basic dimensions
Dictile iron fittings with parallel thread for pipelines. Threaded bushings. Basic dimensions
ISS 23.040.60
Date of introduction 1977−01−01
The decision of the State standards Committee of the Council of Ministers of the USSR from
Limitation of actions taken by Protocol No. 2−92 of the Interstate Council for standardization, Metrology and certification (ICS 2−93)
REPLACE GOST 8960−59
EDITION (September, 2010) with Changes No. 1, 2 approved in September 1980 and March 1983 (IUS sizes 11−80, 7 to 83)
1. Basic dimensions fotorok shall be as specified in the drawing and in the table.
Standard is fully consistent with CT CMEA 3304−81.
Drawing. main dimensions fotorok
Note. The drawing does not define the design futorki.
Dimensions in mm
Conditional pass |
Type | Thread | Weight uncoated kg no more* | ||||||
| The variant according to GOST 8944−75 | |||||||||
| 1 | 2 | ||||||||
| 10x8 |
I | G |
G |
20 | 19 | 7 | - | 0,019 | - |
| 15х8 |
II | G |
G |
24 | 24 | 7 | - | 0,038 | - |
| 15x10 |
I | G |
G |
24 | 24 | 7 | - | 0,032 | - |
| 20х8 |
II | G |
G |
26 | 30 | 7 | - | 0,056 | - |
| 20x10 |
II | G |
G |
26 | 30 | 7 | - | 0,064 | - |
| 20х15 |
I | G |
G |
26 | 30 | 7 | - | 0,054 | - |
| 25х8 |
II | G 1 — B | G |
29 | 36 | 7 | - | 0,082 | - |
| 25х10 |
II | G 1 — B | G |
29 | 36 | 7 | - | 0,094 | - |
| 25х15 |
II | G 1 — B | G |
29 | 36 | 7 | - | 0,106 | - |
| 25х20 |
I | G 1 — B | G |
29 | 36 | 7 | - | 0,084 | - |
| 32х10 |
II | G 1 |
G |
31 | 46 | 7 | - | 0,202 | - |
| 32х15 |
II | G 1 |
G |
31 | 46 | 7 | - | 0,221 | - |
| 32х20 |
II | G 1 |
G |
31 | 46 | 7 | - | 0,180 | - |
| 32х25 | I | G 1 |
G 1 — |
31 | 46 | 7 | - | Of 0.146 | - |
| About 40 x 10 |
II | G 1 |
G |
31 | 50 | 7 | - | 0,282 | - |
| 40х15 |
II | G 1 |
G |
31 | 50 | 7 | - | 0,299 | - |
| 40х20 |
II | G 1 |
G |
31 | 50 | 7 | - | 0,256 | - |
| 40х25 |
II | G 1 |
G 1 — B | 31 | 50 | 7 | - | 0,198 | - |
| 40х32 |
I | G 1 |
G 1 |
31 | 50 | 7 | - | 0,122 | - |
| 50х15 |
III | G-2 — B | G |
48 | 65 | 8 | 35 | 0,381 | 0,393 |
| 50х20 |
III | G-2 — B | G |
48 | 65 | 8 | 35 | 0,379 | 0,391 |
| 50х25 |
II | G-2 — B | G 1 — B | 35 | 65 | 8 | - | 0,471 | - |
| 50х32 |
II | G-2 — B | G 1 |
35 | 65 | 8 | - | 0,360 | - |
| 50x40 |
II | G-2 — B | G 1 |
35 | 65 | 8 | - | 0,271 | - |
| 65х25 |
III | G-2 |
G 1 |
40 | 80 | 9 | 54 | 0,508 | - |
| (65х32) |
III | G-2 |
G 1 |
54 | 80 | 9 | 40 | 0,586 | 0,607 |
| (65х40) |
II | G-2 |
G 1 |
40 | 80 | 9 | - | 0,739 | - |
| (65х50) |
II | G-2 |
G-2 — B | 40 | 80 | 9 | - | 0,489 | - |
| 80х25 |
III | G 3 — B | G 1 — B | 44 | 95 | 10 | 59 | 1,209 | - |
| 80х32 |
III | G 3 — B | G 1 |
44 | 95 | 10 | 59 | 1,250 | - |
| (80 x 40) |
III | G 3 — B | G 1 |
59 | 95 | 10 | 41 | 0,900 | 0,909 |
| (80x50) |
II | G 3 — B | G-2 — B | 44 | 95 | 10 | - | 1,039 | - |
| (80х65) |
II | G 3 — B | G-2 |
44 | 95 | 10 | - | 1,576 | - |
| (100x50) |
III | G 4 — B | G-2 — B | 69 | 120 | 11 | 51 | 1,580 | 1,609 |
| (100х65) |
III | G 4 — B | G-2 |
69 | 120 | 11 | 51 | 1,480 | 1,500 |
| (100х80) |
II | G 4 — B | G 3 — B | 51 | 120 | 11 | - | 1,461 | - |
_______________
* For inquiries.
Notes:
1. Futorki with specified in the table in brackets is not recommended.
2. Weight of galvanized fittings should not exceed the weight non more than 5%.
Examples of symbols
Futorki uncoated with a 25 mm at
15 mm:
Overlay threaded 25х15 GOST 8960−75
The same zinc-coating:
Overlay threaded C-25х15 GOST 8960−75
(Changed edition, Rev. N 1, 2).
2. The constructive dimensions and technical requirements — GOST 8944−75.
3. Deviation of the size of the key — according to GOST 6424−73.
The electronic text of the document
prepared by JSC «Code» and checked by:
the official publication of the
Pipes of metal and connecting
parts to them. Part 4. Pipe black
metals and alloys cast and connective
parts to them. The basic dimensions. Methods
technological tests of tubes:
SB. Standards. — M.: STANDARTINFORM, 2010
