Pneumatic valves are generally in the international arena standard, it is also more convenient and secure procurement of buyers. However, although the domestic pneumatic valve is also a national standard, but due to the different requirements of the reform market, domestic manufacturers to meet customer needs, each manufacturer based on the national standard, made the appropriate changes and innovations to adapt to different Better use of pneumatic valve environment. So to remind the majority of buyers, must be based on the needs of the scene, the procurement specifications and requirements specified in detail, and manufacturers negotiate on the pneumatic valve requirements and marked in the annex to the contract clearly: for example, the pressure is greater than the pressure on the pipe several times, often Open or normally closed state can withstand the pressure value. Of course, manufacturers will also tell their customers for their own innovative or non-standard specifications for reference. High Pressure Gauge,Digital Pressure Gauge,Vacuum Pressure Gauge,Hydraulic Pressure Gauge HONGQI INSTRUMENT (CHANGXING) CO.,LTD , https://www.hongqi-instrument.com
Purchase should pay attention to the standard problem of pneumatic valve
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