GPTQF-JF
- [Name]: GPTQF-JF
- [PN]: 1.0-10mpa
- [Medium]: water, oil, chemical, power generation, pulp and paper, atomic energy, aviation, rocket and other departments
- [Material]: SS304, SS316, Q235, Carbon steel, Brass etc.
- [Certification]: ISO, CE
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GPTQF-JF and flange gate valve are the same type, the difference is closure part is sphere, the spheres rotate around the valve center line for to achieve open and close. Ball valve is mainly used for cutting off, distribution and change media flow direction in pipeline. Two type and three type ball valve is a new type widely used recently.
1. leave valve rotation stem position
2. cannot be used for throttling
3. ball valve with transmission should be installed vertically
GPTQF-JF working priciple depends on valve rotation, which makes valve open or close. Ball valve switch is light, samll volum, good sealing, simple structure, easy maintenance , also can make large diamter valve. And the it's not easy to erose when the sealing suface and spherical are in close state.
1. there is no friction when open and close, which solve traditional valve friction and impact between the sealing surface of the sealing problem.
2. Top type structure, can check and maintenace during valve working in pipeline which can reduce stop frequency and its cost efficiently.
3. single seat design, release the secure problems of due to increasing pressure abnormally to effect use.
4. Design of low torque. special structure design of stem just need a small valve to open easily.
5. Seal structure of the wedge. valve provides mechanical force with stem, Ball wedge pressure to the valve seat and then sealing, which do not affected by the pipeline pressure changes. It has reliable assurance in any conditions.
6. sealing surface self-cleaning structure. When ball tilts seat, pipeline flow is along with the ball sealing surface going through into 360°, which not only eliminate erosion to seat by high speed flow, also washed away the accumulation of sealing surface to achive the cleaning purpose.
| 部件Description Of Parts | Q41F-(16-25)C | Q41F-(16-25)P | Q41F-(16-25)R |
| 阀体Body | WCB | ZG1Cr18Ni9TI CF 8 | ZG1Cr18Ni12Mo2Ti CF8M |
| 阀盖Bonnet | WCB | ZG1Cr18Ni9TI CF 8 | ZG1Cr18Ni12Mo2Ti CF8M |
| 球体Ball | ICr18Ni9Ti 304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 阀杆Stem | ICr18Ni9Ti 304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 密封Sealing | 聚四氟乙烯(PTFE) | ||
| 包装Packing | 聚四氟乙烯(PTFE) |
| INCH | DN | L | D | K | D1 | N-φ | C | W |
| 1/2〞 | 15 | 108 | 95 | 65 | 45 | 4-14 | 14 | 140 |
| 3/4〞 | 20 | 117 | 105 | 75 | 55 | 4-14 | 14 | 140 |
| 1〞 | 25 | 127 | 115 | 85 | 65 | 4-14 | 14 | 165 |
| 11/4〞 | 32 | 140 | 135 | 100 | 78 | 4-18 | 16 | 165 |
| 11/2〞 | 40 | 165 | 145 | 110 | 85 | 4-18 | 16 | 190 |
| 2〞 | 50 | 178 | 160 | 125 | 100 | 4-18 | 16 | 210 |
| 21/2〞 | 65 | 190 | 180 | 145 | 120 | 4-18 | 18 | 240 |
| 3〞 | 80 | 203 | 195 | 160 | 135 | 8-18 | 20 | 260 |
| 4〞 | 100 | 229 | 215 | 180 | 155 | 8-18 | 20 | 320 |
| 5〞 | 125 | 356 | 245 | 210 | 185 | 8-18 | 22 | 520 |
| 6〞 | 150 | 394 | 280 | 240 | 210 | 8-23 | 24 | 600 |
| 8〞 | 200 | 457 | 335 | 295 | 265 | 12-23 | 26 | 800 |
| 10〞 | 250 | 533 | 405 | 355 | 320 | 12-25 | 30 | 1000 |
| 12〞 | 300 | 610 | 460 | 410 | 375 | 12-25 | 30 | 1200 |
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1. What's the DN and PN?
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5. What's the medium working with?
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