Hard seal flanged ball valve is used to transport high corrosive medium under high temperature or high pressure. Compared soft seal ball valve, hard seal flanged ball valve has a wider applicable temperature range. It has long service life with less pressure losses.
Standards
Design: API 6D; JPI 7S-48
Flanged end: ANSI B16.5; JIS B2212-2214
Length: ANSI B16.10; JIS B2002
Testing & inspection: API 598
Materials
Parts | Body | WCB | ZG1Cr18Ni9Ti | CF8(304) | CF3(304L) | ZG1Cr18NT | CF8(316) | CF3M(316L) | ||
Ball/stem | 2Cr13 | 1Cr18Ni9Ti | OCr18Ni9 | 00Cr19Ni11 | 1Cr18Ni |
| 00Cr17Ni | |||
Seal ring | Specific hardened materials | |||||||||
Packing/gasket | Flexible graphite | |||||||||
Working conditions | Applicable medium | High temperature medium or medium containing pellets | ||||||||
Applicable temperature |
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Dimensions
Model | Nominal Diameter DN (mm) | Dimensions(mm) | |||||||
L | D | Dl | D2 | B-f | Z-φd | H | DO | ||
Q41H-16P | 15 | 130 | 96 | 86 | 46 | 14-2 | 4-14 | 60 | 108 |
20 | 140 | 105 | 75 | 65 | 14-2 | 4-14 | 64 | 120 | |
25 | 150 | 165 | 85 | 65 | 16-2 | 4-14 | 90 | 165 | |
32 | 165 | 135 | 100 | 78 | 16-2 | 4-18 | 105 | 180 | |
40 | 180 | 146 | 110 | 85 | 18-3 | 4-18 | 150 | 24O | |
50 | 200 | 160 | 126 | 100 | 18-3 | 4-18 | 190 | 240 | |
65 | 220 | 180 | 145 | 120 | 18-3 | 4-18 | 195 | 320 | |
80 | 260 | 195 | 160 | 135 | 20-3 | 8-18 | 216 | 360 | |
100 | 280 | 216 | 180 | 165 | 20-3 | 8-18 | 260 | 400 | |
125 | 320 | 246 | 210 | 186 | 22-3 | 8-18 | 280 | 500 | |
150 | 360 | 280 | 2lO | 210 | 2l-3 | 8-23 | 320 | 600 | |
200 | 400 | 335 | 295 | 265 | 26-3 | 12-23 | 370 | 800 | |
250 | 450 | 406 | 355 | 320 | 3O-33 | 12-25 |
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Model | Nominal Diameter DN (mm) | Dimensions (mm) | |||||||
L | D | D1 | D2 | B-f | B-f | Z-φd | H | ||
Q41H-40P | 15 | 130 | 96 | 66 | 46 | 40 | 16-2 | 4-14 | 80 |
20 | 140 | 105 | 75 | 65 | 5l | 16--2 | 4-14 | 66 | |
25 | 150 | 116 | 85 | 65 | 58 | 16-2 | 4-14 | 90 | |
32 | 180 | 135 | 100 | 78 | 66 | 18_S | 4-18 | 105 | |
40 | 200 | 145 | 110 | 85 | 76 | 20-3 | 4-18 | 170 | |
50 | 220 | 160 | 125 | 100 | 88 | 20-3 | 4-18 | 230 | |
65 | 260 | 180 | 146 | 120 | IIO | 22-3 | 8-18 | 250 | |
80 | 280 | 195 | 160 | 135 | 12l | 22-3 | 8-18 | 250 | |
100 | 320 | 230 | 190 | 160 | 150 | 24-3 | 8-23 | 296 | |
125 | 400 | 270 | 220 | 188 | 176 | 28-3 | 8-25 | 330 | |
150 | 400 | 300 | 250 | 218 | 204 | 30-3 | 8-26 | 376 | |
200 | 457 | 376 | 320 | 282 | 260 | 38-3 | 12-30 | 440 | |
250 | 533 | 446 | 385 | 346 | 313 | 42-3 | 12-3l |
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