Q340H側裝式偏心半球閥是本公司生產的系列高溫球閥之一,設計采用一體式縮徑球閥結構標準,選用了球閥長系列的結構長度與截止閥結構長度相符合,所以此系列球閥可替代原有管路上的截止閥擴大了球閥的使用范圍.整體側裝式球閥結構簡單,零件數量少,安裝方便.適用于較小通徑的場合
Q340H側裝式偏心半球閥主要外形和連接尺寸 ：
| 公稱壓力 PN（MPa） | 公稱通徑 DN（mm） | 尺寸（mm ） | |||||||
| L | D 系列1/ 系列2 | D 1 | D 2 | D 6 | b | f | Z- фd | ||
| 法蘭 | |||||||||
| 法蘭標準 JB/T82.1-94 結構長度 GB12221-89 0.6 | 40 | 125 | 130 | 100 | 80 | - | 16 | 3 | 4-14 |
| 50 | 140 | 140 | 110 | 90 | - | 16 | 3 | 4-14 | |
| 65 | 178 | 160 | 130 | 110 | - | 16 | 3 | 4-14 | |
| 80 | 190 | 190/185 | 150 | 125 | - | 18 | 3 | 4-18 | |
| 100 | 200 | 210/205 | 170 | 145 | - | 18 | 3 | 4-18 | |
| 125 | 254 | 240/235 | 200 | 175 | - | 20 | 3 | 8-18 | |
| 150 | 267 | 265/260 | 225 | 200 | - | 20 | 3 | 8-18 | |
| 200 | 292 | 320/315 | 280 | 255 | - | 22 | 3 | 8-18 | |
| 250 | 330 | 375/370 | 335 | 310 | - | 24 | 3 | 12-18 | |
| 300 | 390 | 440/435 | 395 | 362 | - | 24 | 4 | 12-23 | |
| 350 | 430 | 490/485 | 445 | 412 | - | 26 | 4 | 12-23 | |
| 400 | 530 | 540/535 | 495 | 462 | - | 28 | 4 | 16-23 | |
| 450 | 580 | 595/590 | 550 | 518 | - | 28 | 4 | 16-23 | |
| 500 | 630 | 645/640 | 600 | 568 | - | 30 | 4 | 16-23 | |
| 600 | 800 | 755 | 705 | 670 | - | 30 | 5 | 20-25 | |
| 法蘭標準 JB/T79.1-94 結構長度 GB12221-89 2.5 | 40 | 125 | 145 | 110 | 85 | - | 18 | 3 | 4-18 |
| 50 | 140 | 160 | 125 | 100 | - | 20 | 3 | 4-18 | |
| 65 | 178 | 180 | 145 | 120 | - | 22 | 3 | 8-18 | |
| 80 | 190 | 195 | 160 | 135 | - | 22 | 3 | 8-18 | |
| 100 | 200 | 230 | 190 | 160 | - | 24 | 3 | 8-23 | |
| 125 | 254 | 270 | 220 | 188 | - | 28 | 3 | 8-25 | |
| 150 | 267 | 300 | 250 | 218 | - | 30 | 3 | 8-25 | |
| 200 | 292 | 360 | 310 | 278 | - | 34 | 3 | 12-25 | |
| 250 | 330 | 425 | 370 | 332 | - | 36 | 3 | 12-30 | |
| 300 | 390 | 485 | 430 | 390 | - | 40 | 4 | 16-30 | |
| 350 | 430 | 550 | 490 | 448 | - | 44 | 4 | 16-34 | |
| 400 | 530 | 610 | 550 | 505 | - | 48 | 4 | 16-34 | |
| 450 | 580 | 660 | 600 | 555 | - | 50 | 4 | 20-34 | |
| 500 | 630 | 730 | 660 | 610 | - | 52 | 4 | 20-41 | |
| 600 | 800 | 840 | 770 | 718 | - | 56 | 5 | 20-41 | |
| 700 | 900 | 955 | 875 | 815 | - | 60 | 5 | 24-48 | |
| 800 | 1000 | 1070 | 990 | 930 | - | 64 | 5 | 24-48 | |
| 法蘭標準 JB/T79.1-94 結構長度 GB12221-89 4.0 | 40 | 125 | 145 | 110 | 85 | - | 18 | 3 | 4-18 |
| 50 | 140 | 160 | 125 | 100 | - | 20 | 3 | 4-18 | |
| 65 | 178 | 180 | 145 | 120 | - | 22 | 3 | 8-18 | |
| 80 | 190 | 195 | 160 | 135 | - | 22 | 3 | 8-18 | |
| 100 | 200 | 230 | 190 | 160 | - | 24 | 3 | 8-23 | |
| 125 | 254 | 270 | 220 | 188 | - | 28 | 3 | 8-25 | |
| 150 | 267 | 300 | 250 | 218 | - | 30 | 3 | 8-25 | |
| 200 | 292 | 375 | 320 | 282 | - | 38 | 3 | 12-30 | |
| 250 | 330 | 445 | 385 | 345 | - | 42 | 3 | 12-34 | |
| 300 | 390 | 510 | 450 | 408 | - | 46 | 4 | 16-34 | |
| 350 | 430 | 570 | 510 | 465 | - | 52 | 4 | 16-34 | |
| 400 | 530 | 655 | 585 | 535 | - | 58 | 4 | 16-41 | |
| 450 | 580 | 680 | 610 | 560 | - | 60 | 4 | 20-41 | |
| 500 | 630 | 755 | 670 | 612 | - | 62 | 4 | 20-48 | |
| 600 | 800 | 890 | 795 | 730 | - | 62 | 5 | 20-54 | |
| 700 | 900 | 995 | 900 | 835 | - | 68 | 5 | 24-54 | |
| 800 | 1000 | 1135 | 1030 | 960 | - | 76 | 5 | 24-58 | |
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