8a flow air switch

เครื่องควบคุมความดันต่ำสูงสำหรับน้ำคอมเพรสเซอร์แอร์ทำความเย็น

High Low Pressure Controller for Refrigeration Air Compressor Water Description QYD differential pressure switch offers a unique blend of compact dimension, excellent performance, environmental protection, long working life mechanics, and design fexibility. The high resolution micro switch and sensitive diaphragms combine to provide a narrow deadband and high stability.A convenient, internal & safety lock accessible adjustment wheel is multi-turn to provide easy set point

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