Product model: DQ41Y/F
Nominal diameter: DN15 to DN300
Structural form: spherical
Nominal pressure: 1.6Mpa to 16.0Mpa
Connection method: flange
Applicable temperature: -46 ℃~-101 ℃~-196 ℃
Drive mode: manual, pneumatic, electric
Valve body material: cast steel, stainless steel
Manufacturing standards: National standard GB, German DIN, American API, ANSI
Applicable media: ethylene, liquid oxygen, liquid hydrogen, liquid nitrogen, liquid ammonia, liquid propane, liquefied natural gas
Widely used: petroleum, chemical, power, environmental protection, water conservancy, heating, water supply and drainage, industry, machinery
Product drawing
Product dimensions
| DN | PN1.6MPa | WT/kg |
| L | D | D1 | D2 | b | Z-Φd | H | W |
| 15 | 130 | 95 | 65 | 45 | 14 | 4-Φ14 | 178 | 140 | 3 |
| 20 | 140 | 105 | 75 | 55 | 14 | 4-Φ14 | 184 | 160 | 4 |
| 25 | 150 | 115 | 85 | 65 | 14 | 4-Φ14 | 195 | 180 | 5 |
| 32 | 165 | 135 | 100 | 78 | 16 | 4-Φ18 | 280 | 250 | 9 |
| 40 | 180 | 145 | 110 | 85 | 16 | 4-Φ18 | 280 | 300 | 11 |
| 50 | 203 | 160 | 125 | 100 | 16 | 4-Φ18 | 300 | 350 | 15 |
| 65 | 222 | 180 | 145 | 120 | 18 | 4-Φ18 | 330 | 350 | 19 |
| 80 | 241 | 195 | 160 | 135 | 20 | 8-Φ18 | 360 | 400 | 27 |
| 100 | 305 | 215 | 180 | 155 | 20 | 8-Φ18 | 400 | 500 | 38 |
| 125 | 356 | 245 | 210 | 185 | 22 | 8-Φ18 | 430 | 600 | 58 |
| 150 | 394 | 280 | 240 | 210 | 24 | 8-Φ23 | 500 | 800 | 81 |
| 200 | 457 | 335 | 295 | 265 | 26 | 12-Φ23 | 680 | 800 | 95 |
| 250 | 533 | 405 | 355 | 320 | 30 | 12-Φ25 | 790 | 1300 | 140 |
| DN | PN2.5MPa | WT/kg |
| L | D | D1 | D2 | b | Z-Φd | H | W |
| 15 | 140 | 95 | 65 | 45 | 16 | 4-Φ14 | 178 | 140 | 3 |
| 20 | 152 | 105 | 75 | 55 | 16 | 4-Φ14 | 184 | 160 | 4 |
| 25 | 165 | 115 | 85 | 65 | 16 | 4-Φ14 | 195 | 180 | 6 |
| 32 | 178 | 135 | 100 | 78 | 18 | 4-Φ18 | 280 | 250 | 10 |
| 40 | 190 | 145 | 110 | 85 | 18 | 4-Φ18 | 280 | 300 | 14 |
| 50 | 216 | 160 | 125 | 100 | 20 | 4-Φ18 | 300 | 350 | 20 |
| 65 | 241 | 180 | 145 | 120 | 22 | 8-Φ18 | 330 | 350 | 25 |
| 80 | 283 | 195 | 160 | 135 | 22 | 8-Φ18 | 360 | 400 | 30 |
| 100 | 305 | 230 | 190 | 160 | 24 | 8-Φ23 | 400 | 500 | 40 |
| 125 | 381 | 270 | 220 | 188 | 28 | 8-Φ25 | 430 | 600 | 65 |
| 150 | 403 | 300 | 250 | 218 | 30 | 8-Φ25 | 500 | 800 | 85 |
| 200 | 502 | 360 | 310 | 278 | 34 | 12-Φ25 | 680 | 800 | 100 |
| 250 | 568 | 425 | 370 | 332 | 36 | 12-Φ30 | 790 | 1300 | 165 |
Technical Documentation
1. Implement standard JB/T 7749-1995
2. Structural Length Standard GB/T 12221-2005
3. Flange size standard JB/T 79-2015
4. Testing standard JB/T 9092-1999
5. Pressure Temperature Standard GB/T 9124-2019
Product Parts List
| serial number | Part Name | AS to ASTM | SS to ASTM |
| Type A352 LCB | Type A352 LC3 | Type F304(L) | Type F304(L) |
| 1、2 | Valve body and valve cover | Type A352 LCB | Type A352 LC3 | A182 F304(L) | A182 F304(L) |
| 3 | Equal length double headed bolt | A193L7+cadmium plating | A193 3 B8 | A193 B8 | A193 B8M |
| 4 | nut | A193L7+cadmium plating | A194 8 | A194 8 | A194 8M |
| 5、8 | Sealing rings and gaskets | RTFE+Cu powder/Nylon 1010/PPL |
| 6 | sphere | A182 F304 | A182 F304（L） | A182 F304(L) | A182 F316(L) |
| 7 | valve stem | A182 F304 | A182 F304（L） | A182 F304(L) | A182 F316(L) |
| 9、10 | Thrust plate, packing | RTFE+Cu powder/nylon 1010/PPL, carbon fiber |
| 11 | cover pressing | A105N | A351 CF8 |
| 12 | positioning piece | A182 F321 |
| 13 | Flat nut | A194 4+cadmium plating | A194 8 | A194 8 | A194 8 |
| 14 | handle | A193 L7+cadmium plating | A193 B8 | A193 B8 | A193 B8 |
| 15 | cylindrical pin | Q235A |
| Applicable Temperature |
| ≥-40°C | ≥-101°C | ≥-196°C |
