GOST 8963-75
GOST 8963−75 Connecting parts from malleable cast iron with cylindrical thread for pipelines. Tube. Main dimensions (with Amendments No. 1, 2)
GOST 8963−75
Group B61
INTERSTATE STANDARD
CONNECTING PARTS FROM MALLEABLE CAST IRON WITH CYLINDRICAL THREAD FOR PIPELINES. TUBE
Basic dimensions
Dictile iron fittings with parallel thread for pipelines. Plugs. 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 N)
REPLACE GOST 8963−59
EDITION (September, 2010) with Changes No. 1, 2 approved in September 1980 and March 1983 (IUS sizes 11−80, 7 to 83)
1. The main dimensions of the tubes shall be as specified in the drawing and in the table.
The standard fully complies ST SEV 3306−81
Drawing. The main dimensions of the tubes
Note. The drawing does not determine the tube design.
Dimensions in mm
Conditional pass |
Thread |
Coating mass, kg, not more* | |||
8 |
G — B |
22 |
9 |
6 |
0,016 |
10 |
G - |
24 |
11 |
7 |
0,024 |
15 |
G — B |
26 |
14 |
7 |
0,040 |
20 |
G — B |
32 |
17 |
9 |
To 0.069 |
25 |
G 1 — B |
36 |
19 |
10 |
0,110 |
32 |
G 1 — B |
39 |
22 |
12 |
0.157 inch |
40 |
G 1 — B |
41 |
22 |
12 |
0,186 |
50 |
G-2 — B |
48 |
27 |
14 |
0,322 |
(65) |
G-2 — B |
54 |
32 |
16 |
0,494 |
(80) |
G 3 — B |
60 |
36 |
18 |
0,720 |
(100) |
G 4 — B |
70 |
46 |
22 | 1,247 |
_______________
* For inquiries.
Notes:
1. Weight of galvanized fittings should not exceed the weight non more than 5%.
2. Tubes with specified in the table in brackets is not recommended.
Examples of symbols
Tube uncoated with a 25 mm
Tube 25 GOST 8963−75
The same zinc-coating:
Tube C-25 8963−75
(Changed the wording. Izm. N 1, 2).
2. The constructive dimensions and technical requirements — GOST 8944−75.
3. Deviation of the size — 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