Pneumatic Ball Valve
1. Q641F/H/Y Pneumatic Floating Ball Valve Product Overview
Q641F/H/Y pneumatic floating ball valve belongs to pneumatic valves, no leakage, light weight, small size, in actual use, it has the advantages of flexible opening and closing, low wear, reducing the labor intensity of valve maintenance workers, saving maintenance funds. The valve has a simple structure, long service life, suitable for almost all media, high temperature resistance, and chemical corrosion resistance.
Longgong Valve continuously adopts new materials and technologies to ensure the applicability of Q641F/H/Y pneumatic floating ball valve to working conditions and its long service life. Our factory provides users with detailed instructions on pneumatic ball valve model standards, structural dimensions, working principles, installation and maintenance.
The valve is suitable for various pipelines with PN1.0MPa~PN10.0MPa, used to cut off or connect the medium in the pipeline, and different materials can be selected. Q641F/H/Y pneumatic floating ball valve can be used for water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea and other media. The product is widely used in the automation control system of industrial departments such as papermaking, petrochemical, chemical, metallurgy, electric power, environmental protection, petroleum, light industry, etc.
2. Main parts and materials of Q641F/H/Y pneumatic floating ball valve
| Serial number | Parts Name | Material Name | ||
| Q641F/H/YC | Q641F/H/YP | Q641F/H/YR | ||
| 1 | Valve body | WCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti |
| 2 | Sphere | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 3 | Valve stem | 2Cr13 | 304 | 316 |
| 4 | Sealing surface | Reinforced polytetrafluoroethylene, polytetrafluoroethylene (PTFE), para-polyphenylene (PPL), metal cladding cobalt-based | ||
| 5 | filler | Polytetrafluoroethylene (PTFE), flexible graphite | ||
| 6 | Applicable media | Water, gas, oil and particle-containing media | Nitric Acid | Acetic acid |
| 7 | Applicable temperature | -29~450℃ | ||
3. Main performance specification table of Q641F/H/Y pneumatic floating ball valve
| Nominal pressure(MPa) | 1.6 | 2.5 | 4 | |
| Strength test | 2.4MPa | 3.8MPa | 6.0MPa | |
| Water tightness test | 1.76MPa | 2.8MPa | 4.4MPa | |
| Airtightness test | 0.4MPa-0.7MPa | |||
| Actuator | model | BAW series, GT series, SW series | ||
| Air source pressure | 0.4-0.7Mpa | |||
4. Main dimensions of Q641F/H/Y pneumatic floating ball valve
| Nominal pressure | Nominal diameter | Dimensions (mm) | Actuator Model | ||||||
| PN(MPa) | DN(mm) | L | D | D1 | D2 | b | f | Z-Φd | |
| 1.6 | 15 | 108 | 95 | 65 | 45 | 14 | 2 | 4-14 | GT52/GT63K |
| 20 | 117 | 105 | 75 | 55 | 14 | 4-14 | GT63/GT63K | ||
| 25 | 127 | 115 | 85 | 65 | 14 | 4-14 | GT63/GT83K | ||
| 32 | 140 | 135 | 100 | 78 | 16 | 4-18 | GT83/GT83K | ||
| 40 | 165 | 145 | 110 | 85 | 16 | 3 | 4-18 | GT83/GT110K | |
| 50 | 178 | 160 | 125 | 100 | 16 | 4-18 | GT83/GT110K | ||
| 65 | 190 | 180 | 145 | 120 | 18 | 4-18 | GT110/GT127K | ||
| 80 | 203 | 195 | 160 | 135 | 20 | 8-18 | GT127/GT127K | ||
| 100 | 305 | 215 | 180 | 155 | 20 | 8-18 | GT127/GT160K | ||
| 125 | 256 | 245 | 210 | 185 | twenty two | 8-18 | GT160/GT190K | ||
| 150 | 394 | 280 | 240 | 210 | twenty four | 8-23 | GT190/GT210K | ||
| 200 | 457 | 335 | 295 | 265 | 26 | 12-23 | GT254/BAW20S | ||
| 250 | 533 | 405 | 335 | 320 | 30 | 12-25 | BAW17/BAW20S | ||
