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OF200/OF300/OF400 Zinc Alloy Air Filter

The NANPU compressed air line filters, available in 1/4", 3/8", and 1/2" NPT configurations, are meticulously engineered for optimal performance. Equipped with 5-micron brass filter elements, they effectively eliminate contaminants. The integrated mounting bracket facilitates rapid installation, while the polymeric bowl ensures resistance to pressures up to 145 psi, guaranteeing dependable operation in industrial compressed air systems.

product details

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OF200/OF300/OF400 Zinc Alloy Air Filter

NANPUOF200/OF300/OF400 Zinc Alloy Air Filter

OFR	200		BSP	D
Series Number	Port Size	Thread Type	Thread Type	Drainage Method
	200：1/4"	BSP	BSP	Blank: Differential Pressure Drain
	300: 3/8"	NPT	NPT	A: Manual Drain
	400: 1/2"	PT	PT	D: Auto Drain

NANPUTechnical Specifications

Model		Specification
Manual Drain	Auto Drain	（L/min）/Rated Flow Rate
OF200	OF200-D	1950
OF300	OF300-D	2500
OF400	OF400-D	3000

Max Input Pressure	1.2Mpa{12.24kgf/cm²} /174.04Psi
Max Operating Pressure	1.0Mpa{10.2kgf/cm²} /145Psi
Temperature Range	5~60℃
Filtration Accuracy	5μm、40μm
Bowl Material	Polycarbonate
Bowl Guard	（YES）
Pressure Range	OF200-OF400/0.05~0.85Mpa（0.51~8.7kgf/cm² )/0~125Psi

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Preparation

All calibration assemblies shall be meticulously fabricated and assembled to fully conform to the maximum flow rate specifications. Such compliance is critical for ensuring the system's optimal performance and operational reliability. Prior to installation, it is imperative to thoroughly degrease all ports and fittings using approved solvents and specialized tools. This procedure effectively prevents particulate matter and debris from contaminating the air pathway, mitigating the risk of flow obstructions. During installation, carefully validate that the airflow direction corresponds with the arrow indicators on the product housing and ensure precise matching of port dimensions and thread specifications to guarantee a hermetically sealed, leak-free connection.

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Filtration

The filtration process is administered via an automated system, integrating advanced mechanical and filtration technologies to ensure uniform and efficient purification. The 5-micron filter element, a critical component of this system, employs a multi-layer architecture to effectively intercept and remove diverse contaminants. These include sediment, suspended solids, colloids, rust, and other particulate matter entrained in the airstream. Such precision filtration not only protects downstream equipment but also ensures the delivery of high-purity compressed air, complying with rigorous industrial standards.

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Drainage

The drainage column incorporates an automatic actuation mechanism. In the absence of air pressure, it triggers the drainage process to expel accumulated condensate, thereby preventing waterlogging. When compressed air flows through, the column achieves a tight seal to maintain system integrity and prevent backflow. However, continuous monitoring of the water level within the column is mandatory. If the water level exceeds the preset maximum threshold, immediate manual drainage is required. Non-compliance with this procedure may result in diminished dehumidification efficiency, potential damage to downstream components, and overall system performance degradation.