| DQ61F three-stage low-temperature high-pressure forged steel ball valve socket weld |
Main Performance Specifications:
Test pressure
Mpa |
Nominal pressure Mpa |
25.0 |
CL1500 |
Strength test |
37.5 |
38.4 |
Seal test |
27.5 |
28.1 |
Airtight test |
0.5～0.7 |
Operating Temperature |
-196℃≤180℃ |
For media |
Water, oil, ammonia, nitrogen, chlorine, etc. |
|
Products structural features:
Valve, in order to prevent low-temperature conditions do not stem packing seal failure, low temperature valve seat with long neck structure design with automatic pressure relief function with the structural design to prevent the valve in the cavity medium since the emergence of abnormal temperature boost, the valve combination should be explosion-proof and fireproof function. |
The material shows the main components:
Part Name |
Material |
Body, bonnet |
F304 |
Ball, stem |
F304+Nitriding |
Stud |
B8M |
Filler |
Carbon Fiber + Flexible Graphite |
Ring |
PTFE+Carbon+Cu |
|
The main dimensions:
PN25.0Mpa
CL1500 |
Nominal Path |
Size（mm） |
mm |
in |
d |
L |
L1 |
D |
D1 |
W |
H |
15 |
1/2 |
13 |
92 |
9.6 |
36 |
21.8 |
160 |
230 |
20 |
3/4 |
18 |
111 |
12.7 |
42 |
27.3 |
220 |
260 |
25 |
1 |
23 |
127 |
12.7 |
52 |
33.8 |
220 |
280 |
32 |
11/4 |
28 |
140 |
12.7 |
60 |
42.6 |
250 |
290 |
40 |
11/2 |
35 |
152 |
12.7 |
68 |
48.7 |
300 |
320 |
50 |
2 |
45 |
178 |
15.7 |
80 |
61.2 |
350 |
340 |
|
|
|
|
Female threaded and 
