Ningbo Chen’an Machinery Co., Ltd. was founded in 1995 in Ningbo, a major coastal city in China. We focus on the design, development, and manufacture of customized aluminum components for screw air compressors, including compressor inlet valves, minimum pressure valves, oil filter seats, combination valves, temperature control valves, and related products.
Over the years, Chen’an has established a professional manufacturing system supported by advanced production equipment, inspection facilities, and experienced technical personnel. We place strong emphasis on product quality and follow the principle that customer satisfaction is an important measure of our work.
Our production process includes strict control of incoming raw materials and finished-product inspection. The factory manages quality in accordance with ISO9001 standards to maintain consistent product performance and reliability. Through continuous improvements in manufacturing technology and quality management, we aim to provide practical and dependable compressor components for customers in different markets.
The MPV series is designed for screw compressor applications where stable pressure control is required. Multiple connection sizes are available to accommodate different system configurations.
Technical Parameters
| Model |
MPV-15 |
MPV-20 |
MPV-25 |
MPV-32 |
MPV-40 |
MPV-50 |
MPV-65 |
MPV-80 |
| DN (mm) |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
| Regular Opening Pressure (bar) |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
| Maximum Working Pressure (bar) |
16 |
16 |
16 |
16 |
16 |
16 |
16 |
16 |
Product dimensions and detailed size information can be provided according to the specific model and customer requirements.
Chen’an continues to invest in technical development, manufacturing capabilities, and quality improvement to support the needs of compressor manufacturers, distributors, and industrial customers. We also welcome customized requirements for different compressor applications and system configurations.
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