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Design and manufacture as ANSI B16.34, JIS 2071
Face to face dimensions as JIS B2002
End flange dimension as JIS B2212, 2214
Pressure test as JIS B2003
Test Pressure
| Test Item | Shell Test | Seal Test | Back Seal Test | Air Seal Test | |
| Medium | Water | Air | |||
| Unit | MPa | MPa | MPa | MPa | |
| Nominal Pressure | 10K | 2.4 | 1.5 | 1.5 | 0.5-0.7 |
| 20K | 5.8 | 4.0 | 4.0 | ||
Materials for Main Parts
| Name | Material | ||||||||
| Body Bonnet | A216WCB | A352 LCB | A217 WC6 | A217 WC9 | A217C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Ball | A182 F6 | A182 F304 | |||||||
| Stem | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | ||||
| Handle | KTH350-10 | ||||||||
| Bonnet Bolt | A193-B7 A320-L7 A193-B8 | ||||||||
| Nut | A194-2H A194-7 A194-8 | ||||||||
Main Connection Dimensions
| Type | Size(mm) | Dimension(mm) | ||||||||
| inch | DN | L | D | D1 | D2 | b | z-Φd | H | D0 | |
| Q410F/Y-10K Q341F/Y-10K Q641F/Y-10K | 1/2″ | 15 | 108 | 95 | 70 | 52 | 12 | 4-Φ15 | 68 | 115 |
| 3/4″ | 20 | 117 | 100 | 75 | 58 | 14 | 4-Φ15 | 75 | 130 | |
| 1″ | 25 | 127 | 125 | 90 | 70 | 14 | 4-Φ19 | 85 | 150 | |
| 11/4″ | 32 | 140 | 135 | 100 | 80 | 16 | 4-Φ19 | 96 | 190 | |
| 11/2″ | 40 | 165 | 140 | 105 | 85 | 16 | 4-Φ19 | 107 | 230 | |
| 2″ | 50 | 178 | 155 | 120 | 100 | 16 | 4-Φ19 | 118 | 240 | |
| 21/2″ | 65 | 190 | 175 | 140 | 120 | 18 | 4-Φ19 | 145 | 280 | |
| 3″ | 80 | 203 | 185 | 150 | 130 | 18 | 8-Φ19 | 160 | 310 | |
| 4″ | 100 | 229 | 210 | 175 | 155 | 18 | 8-Φ19 | 185 | 330 | |
| 5″ | 125 | 356 | 250 | 210 | 185 | 20 | 8-Φ23 | 230 | 600 | |
| 6″ | 150 | 394 | 280 | 240 | 215 | 22 | 8-Φ23 | 260 | 800 | |
| 8″ | 200 | 457 | 330 | 290 | 265 | 22 | 12-Φ23 | 310 | 1000 | |
| 10″ | 250 | 533 | 400 | 355 | 325 | 24 | 12-Φ25 | 350 | 1200 | |
Main Connection Dimensions
| Type | Size(mm) | Dimension(mm) | ||||||||
| inch | DN | L | D | D1 | D2 | b | z-Φd | H | D0 | |
| Q41F/Y-20K Q341F/Y-20K Q641F/Y-20K | 1/2″ | 15 | 140 | 95 | 70 | 52 | 14 | 4-Φ15 | 72 | 115 |
| 3/4″ | 20 | 152 | 100 | 75 | 58 | 16 | 4-Φ15 | 75 | 130 | |
| 1″ | 25 | 165 | 125 | 90 | 70 | 16 | 4-Φ19 | 85 | 150 | |
| 11/4″ | 32 | 178 | 135 | 100 | 80 | 18 | 4-Φ19 | 95 | 190 | |
| 11/2″ | 40 | 190 | 140 | 105 | 85 | 18 | 4-Φ19 | 110 | 230 | |
| 2″ | 50 | 216 | 155 | 120 | 100 | 22 | 8-Φ19 | 120 | 240 | |
| 21/2″ | 65 | 241 | 175 | 140 | 120 | 24 | 4-Φ19 | 150 | 280 | |
| 3″ | 80 | 283 | 200 | 160 | 135 | 26 | 8-Φ23 | 165 | 310 | |
| 4″ | 100 | 305 | 225 | 185 | 160 | 28 | 8-Φ23 | 190 | 330 | |
| 5″ | 125 | 381 | 270 | 225 | 195 | 30 | 8-Φ25 | 240 | 600 | |
| 6″ | 150 | 403 | 305 | 260 | 230 | 32 | 12-Φ25 | 270 | 800 | |
| 8″ | 200 | 502 | 350 | 305 | 275 | 34 | 12-Φ25 | 315 | 1000 | |
| 10″ | 250 | 568 | 430 | 380 | 345 | 34 | 12-Φ27 | 380 | 1200 | |




