SOLDO SF Series Feedback Device NAMUR Signal Applied in FLOWSERVE Pneumatic Control Valve Applications

Zhuhai SEVICON has always been committed to the integration of informatization and industrialization, assisting industrial enterprise users in advancing toward Industry 4.0. Amid a new wave of digitalization and industrial transformation, SEVICON will leverage industrial big data, the industrial Internet, and intelligent technologies to discover and create new value, aiming to achieve the integrated innovation of process technology, equipment technology, operational technology, automation technology, and information technology. This empowers users to achieve the goals of "safety, quality improvement, cost reduction, efficiency enhancement, and environmental protection," while promoting the green, digital, and intelligent development of industries across society, making work and life easier.
SOLDO SF Features:
1. SOLDO SF Series SPDT Signal Ground Wire Gauge Selection

Data line: Required to be greater than 2.5mm²; when the length exceeds 0.5 meters, it should be greater than 4mm². YD/T5098-1998.

Data line: Required to be greater than 2.5mm²; when the length exceeds 0.5 meters, it should be greater than 4mm². YD/T5098-1998.
Power line: When the phase line cross-sectional area S ≤ 16mm², the ground wire should use S; when the phase line cross-sectional area is 16mm² ≤ S ≤ 35mm², the ground wire should use 16mm²; when the phase line cross-sectional area S ≥ 35mm², the ground wire should be S/2. GB 50054, Article 2.2.9.
3. SOLDO SF Series PNP 24VDC Signal Ground Wire Gauge Selection

The FLOWSERVE series pneumatic diaphragm double-seat control valves feature a double-guided structure and are equipped with multi-spring actuators. They offer advantages such as compact structure, light weight, sensitive operation, high valve capacity, precise flow characteristics, and convenient assembly and disassembly. They are widely used for the precise control of gases, liquids, steam, and other media, maintaining process parameters such as pressure, flow, temperature, and liquid level at specified values. They are particularly suitable for media that are not very clean, where larger pressure drops and allowable leakage are acceptable. This series of products includes various models such as standard type, bellows-sealed type, and jacketed insulation type. The nominal pressure ratings are PN10, 16, 40, and 64; the valve body size ranges from DN20 to DN200. Suitable fluid temperatures range from -200°C to 560°C, covering multiple grades within this range. Leakage standards are available in Class II or Class IV. Flow characteristics are linear or equal percentage. A wide variety of models and specifications are available for selection.

Product Features: Top-bottom and double-stage guided double-seat control valve, offering good stability during operation.