| Welding Neck |
Out side diameter |
O.D.600 or smaller
O.D. Over 600
|
|
|
Inside diameter
(Bore) |
250 and smaller
12 Through 450
500 and larger | ± 3.1 |
± 0.7
± 1.6
- 1.6 |
|
Diameter of
Contact face |
1.6 raised face
6.3 raised face: tongue &
Grooved male and female
|
± 0.7
± 0.4 |
|
Diameter of Hub
At base |
When E is 600 or smaller
When E over 600 |
± 1.6
± 3.1 |
|
Diameter of hub
At point of welding |
125 and smaller
150and larger |
±0.7
±4.0 |
±0.7
±0.0 |
Thickness |
450 and smaller
500 and larger |
±3.1
±4.7 |
±0.0
±0.0 |
Lenght through
Hub |
250 and smaller
300 and larger
Bolt circle |
|
±1.6
±3.1
±1.6 |
Drilling |
Bolt hole spacing
Eccenticity with respect
To bore |
|
± 0.7
0.7max |
| Threaded,slip on, Lap joint, Socket welding and blind |
Threaded, slip on, Lap joint, Socket welding and blind |
Outside diameter |
O.D.50 or smaller
O.D. Over 600 |
|
±1.6
±3.1 |
Inside Diameter (Bore) |
Threaded: to standard
gauge limited
SLIP ON:LAP
JOINT: SOCKET- WELDING
250 and LARGER
300 and LARGER |
±0.7
±1.6 |
-0.0
-0.0 |
Diameter of Counter Bore |
250 raised face
300 and large |
±0.7
±1.6 |
-0.0
-0.0 |
Outside Meter of Hub |
300 and smaller
350 and large |
±2.3 |
-1.6
±3.1
|
Diameter of Contact face |
1.6 raised face
6.3 raised: tongue & grooved
male &female |
|
± 0.7
± 4.0 |
Thickness |
450 and smaller
500 and larger |
±3.1
±4.7 |
-0.0
-0.0 |
Lenght through Hub |
250 and smaller
300 and larger Bolt circle |
|
± 1.6
± 3.1
± 1.6 |
Drilling |
Bolt hole spacing
Eccenticity with respect to Bore |
|
± 0.7
0.7max
|
