The QJ41M integral high-temperature ball valve is specifically engineered for high-temperature environments, featuring resistance to high temperatures, wear, and corrosion. It is suitable for media such as steam, oil, hot oil, and acids.
● Easy to Operate: The rotating sphere allows for effortless switching of actions, eliminating the need for additional tools or complex procedures, thereby significantly enhancing work efficiency.
● High Temperature Resistance: The valve body is typically constructed from high-quality cast steel, enabling it to function continuously and stably in severe conditions such as high temperatures, high pressures, and corrosive environments, thus extending the equipment's service life.
● Convenience: Featuring a compact structure and minimal installation space requirements, the installation process is straightforward. Moreover, maintenance costs are kept low, with regular inspections and replacement of seals and other consumables being sufficient to ensure optimal operation.
| No. | Parts Name | Material |
| 1 | Body | A105+ENP, A182 F6, F304, F304L, F316, F316L, F51 |
| 2 | Seat | PTFE, R-PTFE, PEEK, PPL |
| 3 | Anti-static Spring | Stainless Steel |
| 4 | Stem | A105+ENP, A182 F6, F304, F304L, F316, F316L, F51 |
| 5 | O-ring | NBR, PTFE |
| 6 | Limited Plate | 1015+Cr, Carbon Steel+Cr |
| 7 | Lever | A216 WCB, 1025+Cr |
| 8 | Fix Nut | Stainless Steel |
| 9 | Backup Ring | A182 F304, F316 |
| 10 | Packing | PTFE, Graphite |
| 11 | Positioning Pin | Stainless Steel |
| 12 | Thrust Washer | PTFE |
| 13 | Gasket | PTFE, Graphite |
| 14 | Ball | A105+ENP, A182 F6, F304, F304L, F316, F316L, F51 |
| 15 | Bonnet | A105+ENP, A182 F6, F304, F304L, F316, F316L, F51 |
| 16 | O-ring | NBR, PTFE |
| 17 | Stud | A193 B7, B7M, B8, B8M |
| 18 | Nut | A194 2H, 2HM, 8, 8M |
Main Dimensions
| Model | Size(mm) | Dimensions(mm) | ||||||||
| QJ41M | inch | DN | L | D | D1 | D2 | b | Z-Φd | H | W |
| 3/4″ | 20 | 117 | 98 | 70 | 43 | 12 | 4-Φ15 | 75 | 130 | |
| 1″ | 25 | 127 | 108 | 79.5 | 51 | 12 | 4-Φ15 | 85 | 150 | |
| 11/4″ | 32 | 140 | 117 | 89 | 64 | 13 | 4-Φ15 | 96 | 190 | |
| 11/2″ | 40 | 165 | 127 | 98.5 | 73.2 | 15 | 4-Φ15 | 107 | 230 | |
| 2″ | 50 | 178 | 152 | 120.7 | 92 | 16 | 4-Φ19 | 118 | 240 | |
| 21/2″ | 65 | 190 | 177.8 | 139.7 | 104.7 | 18 | 4-Φ19 | 145 | 280 | |
| 3″ | 80 | 203 | 190.5 | 152.4 | 127 | 19 | 4-Φ19 | 160 | 310 | |
| 4″ | 100 | 229 | 229 | 190.5 | 157 | 24 | 8-Φ19 | 185 | 330 | |
| 5″ | 125 | 356 | 254 | 216 | 185.7 | 26 | 8-Φ22 | 230 | 600 | |
| 6″ | 150 | 394 | 279 | 241.3 | 216 | 26 | 8-Φ22 | 260 | 800 | |
| 8″ | 200 | 457 | 343 | 298.5 | 270 | 29 | 8-Φ22 | 310 | 1000 | |
| 10″ | 250 | 533 | 406 | 362 | 324 | 31 | 12-Φ25 | 350 | 1200 | |
| Test Item | Shell Test | Sealing Test | Back Seal Test | Air Test | |||||
| Medium | Water | Air | |||||||
| Unit | MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
| Test Pressure | 150 | 3.1 | 450 | 2.2 | 315 | 2.2 | 315 | 0.5-0.7 | 60-100 |
| 300 | 7.8 | 1125 | 5.6 | 815 | 5.6 | 815 | |||
| 400 | 10.3 | 1500 | 7.6 | 1100 | 7.6 | 1100 | |||
| 600 | 15.3 | 2225 | 11.2 | 1630 | 11.2 | 1630 | |||
| 900 | 23.1 | 3350 | 16.8 | 2440 | 16.8 | 2440 | |||
Product Display
Q1:What is the benefit of the floating ball design?
The floating ball design allows for smooth, efficient flow control as the ball moves with the flow of the fluid, ensuring minimal resistance and optimal performance.
Q2:What is the valve's temperature and pressure range?
The valve can handle temperatures from -40ºC to 300ºC (hard seal) or -40ºC to 180ºC (soft seal) and is rated for nominal pressures from PN1.6 to 6.4 MPa.
Our high-temperature ball valves are crafted from advanced materials and intricate processes, ensuring superior heat resistance and an extended service life. Designed for compactness, they are easy to install and significantly save space, thereby reducing time costs. Each product is subjected to comprehensive quality testing to meet industry standards, ensuring trouble-free operation. We provide comprehensive after-sales service, including technical consultation and repair services, to quickly address your needs.
