Ball valve in the field of Marine engineering and ship should stop valve), the standard of GB/T21465-2008 "valve terms" is defined as: opening and closing (sphere) driven by the valve stem, and around the ball valve axis rotation movement of the valve. Can also be used on regulation and control of fluid, including hard seal ball valve v-shaped the v-shaped ball core of carbide surfacing with strong shear force between metal valve seat, especially suitable for fiber, tiny solid material, such as medium. And ball valve in the pipeline is not only more connected to the confluence of flexible control medium, shunt, and the flow switch, at the same time also can close any channel and make the other two. This valve shall generally be installed in the pipeline. Classification of ball valve, pneumatic ball valves, electric ball valves, manual ball valve.
No.
name
AS to ASTM
SS to ASTM
Type LF2
Type LF3
Type F304
Type F316(L)
1 2
body/ gland
A350 LF2
A350 LF3
A182 F304(L)
A182 F316(L)
3
Bolt
A193 L7
A193 B8
A193 B8
A193 B8M
4
nut
A194 7
A194 8
A194 8
A194 8M
5 8
packing/gasket
RTFE+1010/PPL
6
ball
A182 F304
A182 F304
A182 F304(L)
A182 F316(L)
7
stem
A182 F304
A182 F6
A182 F304(L)
A182 F316(L)
9 10
Packing/gasket
RTFE+1010/PPL
11
Packing gland
A105N
A182 F304
12
Locating plate
A182 F321
13
nut
A194 7
A194 8
A194 8
A194 8M
14
bolt
A194 7
A194 8
A194 8
A194 8M
15
handwheel
ANSI 1025
Sutiable temperature
-40 oC
-101 oC
-196 oC
size(MM) 800LB~1500LB
|
DN |
INCH |
L |
D |
L1 |
D |
D1 |
H |
W |
|
15 |
1/2" |
92 |
13 |
9.6 |
36 |
21.8 |
230 |
160 |
|
20 |
3/4" |
111 |
18 |
12.7 |
42 |
27.3 |
260 |
220 |
|
25 |
1" |
127 |
23 |
12.7 |
52 |
33.8 |
280 |
200 |
|
32 |
1-1/4" |
140 |
28 |
12.7 |
60 |
42.6 |
290 |
250 |
|
40 |
1-1/2" |
152 |
35 |
12.7 |
68 |
48.7 |
320 |
250 |
|
50 |
2" |
178 |
45 |
15.9 |
80 |
61.2 |
340 |
350 |
