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Siemens Pressure Independent Control Series 337NO-04316-35

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337NO-04316-35

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The 337NO-04316-35 from Siemens is a pressure-independent control valve assembly designed for accurate flow management. This unit incorporates a rack-and-pinion spring-return actuator compatible with a nominal voltage of 24 VAC/VDC.

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Technical specifications for 337NO-04316-35

ManufacturerSiemens
Product TypePressure-Independent Control (PIC) Valve Assembly
Product LinePressure Independent Control Series
Part Number337NO-04316-35
Actuator Model599-03617NX Rack-and-Pinion Spring-Return Actuator (NO configuration)
Rangeability≥ 100:1
Voltage Rating24 VAC/VDC
Input Voltage Frequency60 Hz
Enclosure/Mounting RatingNEMA 1 (indoor use only)
Power Consumption≤ 3.5 VA
Nominal Actuator Force< 155 lbf (622 N)
Close-Off/Leakage Class100 psi/ANSI Class IV (0.01%)
Valve Size2 in. (50 mm)
Max. Factory Preset Flow35 GPM
Body MaterialDuctile Iron
Stem MaterialStainless Steel
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Siemens' 337NO-04316-35 is engineered as a pressure-independent control (PIC) valve assembly that excels in precision flow regulation. At a valve size of 2 inches (50 mm), it is structured for significant operational flexibility. This assembly encompasses a durable ductile iron body, which provides robustness in demanding environments, complemented by a stainless steel stem for enhanced durability.

The actuator used is the 599-03617NX, known for its reliable rack-and-pinion mechanism and spring-return functionality, designed specifically to operate in a normally open configuration (NO). This actuator's nominal force is less than 155 lbf (622 N), providing efficient control while drawing a maximum power consumption of only 3.5 VA.

Notably, the valve assembly accommodates a factory preset flow rate of up to 35 gallons per minute (GPM). A remarkable feature is its impressive rangeability of at least 100:1, allowing it to adapt to varying flow scenarios effectively. With an impressive close-off and leakage classification of 100 psi and ANSI Class IV, it ensures efficient closure with exceedingly minimal leakage at only 0.01% of the valve capacity.

The device is rated for a voltage of 24 VAC/VDC and operates effectively at a frequency of 60 Hz. Its NEMA 1 enclosure rating signifies that it is intended for indoor applications only, offering adequate protection in non-harsh environments. In summary, the Siemens 337NO-04316-35 delivers reliable performance and effective control in pressure-independent applications.