|
Nominal Pressure |
0.6
|
1.0
|
1.6
|
2.0
|
2.5
|
4.0
|
5.0
|
6.4
|
10
|
|
|
Shell Test Pressure |
0.9
|
1.5
|
2.4
|
3.0
|
3.8
|
6.0
|
7.5
|
9.6
|
15
|
|
|
High Pressure Sealing Test |
0.66
|
1.1
|
1.76
|
2.2
|
2.75
|
4.4
|
5.5
|
7.04
|
11
|
|
|
Applicable Medium & Temperature |
QBQ341W
|
water, vapor, pulp and other solutions. t≤425℃ |
||||||||
|
QBQ341H
|
Natural gas, coal gas, liquefied gas crude oil, heavy oil. t≤425℃ |
|||||||||
|
QBQ341M
|
Conveying of solutions and ore slurry. t≤425℃ |
|||||||||
|
QBQ941M1
|
Alumina powder, coal powder, coal ash, dusty gas, waste residues, etc. t≤350℃ |
|||||||||
|
Name of parts |
QBQ341W
|
QBQ341H
|
QBQ341M
|
QBQ341M1
|
|
Valve body |
Carbon steel |
Carbon steel, WCB, Stainless steel |
Carbon steel |
Carbon steel, WCB |
|
Stem
|
45#
|
45#2Cr13
|
45#40Cr
|
45#
|
|
Sealing set of disc |
Nitriding steel |
Special hard alloy steel Cr-Mn-Si |
Special hard alloy steel Cr-Mo-V |
Special hard alloy steel Cr-Mo-V |
|
Sealing set of seat |
W
|
Special hard alloy steel Cr-Mn-Si |
Special hard alloy steel Cr-Mo-V |
Special hard alloy steel Cr-Mo-V |
1. The product adopts convex flanged, flanging sizes in accordance with GB/T 9113. 1- 2000.
2. Refer to GB 12221-89 for structure lengths.
3. Refer to GB-122237-89 for technical specification of manufacturing and acceptance.
4. JB/T 9092-1999 and GB/T13927-92 are followed for pressure test.