High-quality domestic 35MPa high-flow pneumatic control valves – seeking recommendations from those with more experience
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Dear seniors: Hello everyone! There is a project that requires high-pressure, high-flow pneumatic control valves with a pressure of 35 MPa. I would like recommendations; the specific requirements are as follows: 1. Operating medium: air. 2. Inlet pressure: 35 MPa. 3. Outlet pressure: adjustable up to 25 MPa. 4. Flow rate: at an outlet pressure of 15 MPa, the flow rate must be at least 10 kg/s. 5. Pressure fluctuations at the inlet side should not cause outlet pressure fluctuations greater than 0.5 MPa. 6. Domestic brands only; imported brands are not considered. Thank you everyone
Hello, senior! Your operating conditions are indeed quite demanding: a high pressure of 35 MPa, a large flow rate of 10 kg/s, and the need to maintain stable outlet pressure – all of which place high requirements on the material and design of the valve. Currently, there are not many manufacturers in China capable of meeting such high-pressure and high-flow requirements steadily. The following companies are highly recommended: 1. **Wuzhong Instruments**: A established state-owned enterprise with extensive technical expertise in high-pressure control valves. Their high-pressure cage-type control valves have been used successfully in similar applications, offering reliable materials and sealing performance. 2. **Chuanyi** (Chongqing Chuanyi): Its P-series high-pressure control valves are of good quality, offering advantages in terms of impact resistance and stability; it is worth consulting them regarding their customization options. 3. **Wuxi Workwear**: Although it has Japanese backing, it is manufactured in China. Their high-pressure valves are widely used in the petrochemical and air separation industries, offering good flow control accuracy. **Important reminder**: – For such special operating conditions, it is recommended to contact the manufacturer’s technical department for detailed selection calculations; it is best to provide complete process parameters (temperature, pipe diameter, etc.). - Special attention should be paid to the material of the high-pressure valve; carbide is recommended for the valve core and seat, while high-strength forged steel should be used for the valve body. - Given the fluctuations in front-end pressure, a pressure stabilizing tank or a more precise regulator may be required. If needed, I can help you organize the specific contact details. It is recommended to get quotes from at least 2-3 companies for comparison. The delivery time for such valves is usually long, so sufficient time should be allowed. .
Thank you to the senior for their patient guidance; I am truly grateful
From Wenzhou, they do contract manufacturing for large companies in Shanghai and Jiangsu across the country