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維特隆定位器is an automation control equipment produced by an automation instrument factory, mainly including a series of products such as electric pneumatic valve positioners and pneumatic valve positioners, which are widely used in industries such as petroleum, chemical, and power.

維特隆定位器是工業自動化控制中的關鍵設備，主要用于精確調節閥門開度。其產品系列包括電-氣閥門定位器（如YL-1000L、YL-1000R、HEP系列）、氣動閥門定位器以及配套的空氣過濾減壓器等。‌‌ is a key equipment in industrial automation control, mainly used for precise adjustment of valve opening. Its product line includes electric pneumatic valve positioners (such as YL-1000L, YL-1000R, HEP series), pneumatic valve positioners, and matching air filter pressure reducers. ‌‌
Technical features
High precision control: adopting MCU intelligent control technology, with sensitivity of ± 0.2% F.S (single action) and ± 0.5% F.S (double action), supporting split range control within 1/2 range. ‌‌
Stability and compatibility:
The design of the nozzle baffle structure reduces the quality requirements of the gas source, and there is no resonance phenomenon within the range of 5-200Hz. ‌‌
Suitable for complex working conditions such as high temperature, high pressure, and corrosive media, and able to overcome valve friction and medium pressure changes. ‌‌
Explosion proof certification: The product has passed the national explosion-proof certification and meets the performance standards of GB/T 22137.2-2018 Intelligent Valve Positioner. ‌‌
Application Fields
Mainly serving industries such as petroleum, chemical, power, metallurgy, etc., providing highly reliable valve positioning solutions for automation control systems. ‌‌
主要服務于石油、化工、電力、冶金等行業，為自動化控制系統提供高可靠性的閥門定位解決方案。‌‌