This company is the first private enterprise that is engaged in the design and manufacture of electro-hydraulic servovalve in China. At present, its products includes HTPL801, HTPL802, HTPL803 and HTPL808 Double Flapper-Nozzle, Two Stage Electro-Hydraulic Flow Control Servovalves as well as HTS818 Three Stage Electro-Hydraulic Flow Control Servovalve.
The valves above mentioned are applicable for controlling position, velocity, acceleration and force of electro-hydraulic servo control system, which is widely applied to various fields such as metallurgy, light industry and engineering mechanism, machine building, large scale test facility, aerospace, shipping, radar, rtillery and etc. Those valves can replace MOOG series servovalve.
| Technical Data |
| items | HTPL801-6.5 | HTPL801-16.5 | HTPL801-32.5 | HTPL801-50 | HTPL801-63 | HTPL801-100 |
| Rated flow(no-load) L/min | 6.5 | 16.5 | 32.5 | 50 | 63 | 10000% |
| Rated pressure PN MPa | 21 |
| Rated current iN (mA) | 15 | 40 |
| Operating pressure range MPa | 3.5~21 |
| Proof pressure | supply port MPa | 150% rated pressure(return open) |
| | return port MPa | 100% rated pressure |
| Null bias | ≤2%,after long-term of use ≤5% |
| Null shift | temperature(10centigrade ~66centigrade ) | ≤2% |
| | Supply pressure(80%~110%) | ≤2% |
| | Back pressure(0~20% of supply) | ≤2% |
| | Acceleration (0~20g) | ≤4% |
| Hysteresis | ≤3% |
| Threshold | ≤0.8% |
| Symmetry | ≤10% |
| Linearity | ≤7.5% |
| Pressure gain(zero lap) | ≥30PN/1%iN |
| Frequency response | Amplitude ratio(-3dB) | ≥100Hz(Rated flow≤32.5L) |
| | Phase lag(-90°) | ≥100Hz(Rated flow≤32.5L) |
| Temperature range | -55centigrade ~135centigrade |
| Fluids | Mineral oil based hydraulic fluid others on request |
| Filter rating | ≤10u(absolute) |
| Weight | 1.15kg |
Wuxi Huatong Hydraulic Pneumatic Manufacturing Co., Ltd. is one of the leading and high-tech enterprises in hydraulic pneumatic industry. Our company has 20 years' history in this field, and attached great importance to credit and quality.
After 20 years development, our company has a strong technical force. In 2007, our company brought in advanced equipment such as Swiss grinding machines, America machining centers, and Japan electro discharge machining plants. The performance and quality of our products are reliable and up to the international standard. Our company mainly produces various hydraulic units, cylinders and pneumatic elements, electronic hydraulic servo valves as well as numeric control mould type forming machines for colored cement tiles and steel fiber machines. Among the products, the electronic hydraulic servo valve is the leading hi-tech product around the world. We can also design and produce special non-standard products according to users' requirements as well as provide consultation on designing and technology.
Our company is located in Wuxi, which is near to the beautiful Taihu Lake, with Hu-Ning Highway and Jing-Hu Railway nearby. With convenient transportation and communication and elegant environment, we warmly welcome you to our company for business negotiation and will provide you with high quality products and excellent after-sales service.
