NAV SERIES

NAV series electric valve actuator is mainly use with Globe Valve in the HVAC system to regulate the flow of water and steam in response to the demand of a controller.

PRODUCT FEATURE

Complete range from 1000N to 3000N

3 Point floating or Modulating

(0-10VDC or 4-20mA Control Signal Selectable)

Low leakage factor of up to 0.05%

High close-off pressure actuator satisfies demanding requirements of high-rise buildings and high pressure pumping systems

TECHNICAL SPECIFICATION

ACTUATING FORCE	1000N/1800N &3000N
POWER SUPPLY	AC 24V
FREQUENCY	50/60 Hz
POWER CONSUMPTION	II
CONTROL SIGNAL	See TABLE 1: VALVE CODE NUMBER DESIGNATION
LIFE CYCLE	60,000 cycle
IP PROTECTION	IP 42(1000N),IP54(1800N/3000N)
AMBIENT TEMPERATURE	-20°...50°as per IEC721-3-3
AMBIENT HUMIDITY	5..95%rH(non Condensing)
INVENTORY TEMPERATURE	+70°C as per IEC 721-3-2
STROKE LENGTH	Max 20 mm(1000N),Max 42mm(1800N/3000N)
WEIGHT	See TABLE 2: MAXIMUM CLOSE-OFF PRESSURE (KPA) AND WEIGHT
CERTIFICATION	CE and ISO 9000 (EN...requirements)

TABLE 1: VALVE CODE NUMBER DESIGNA TION

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VALVE ACTUATOR NAV	NAV = Valve Actuator
POWER SUPPLY	1 = AC 24
MODULATING SIGNAL (APPLICABLE FOR MODULATING SIGNAL)	2 = 0(2)-10 Vdc (Factory Default Setting) / 0(4)-20 mA
ACTUATING FORCE	10 = 1000N 18 = 1800N 30 = 3000N

To Order

Specify the code number from the Valve Code Number Selection Guide.

Repair Parts

Available repair parts for NVCF Series Valves include replacement valve bodies and replacement actuators.No other field repairs should be attempted.

TABLE 2: MAXIMUM CLOSE-OFF PRESSURE (KPA) AND WEIGHT

TABLE 2: MAXIMUM CLOSE-OFF PRESSURE (KPA) AND WEIGHT
MAXIMUM SHUTOFF PRESSURE (KPA)							WEIGHT
MODEL	FORCE (N)	DN20	DN25	DN32	DN40	DN50	KG
NAV... - 10	500	1000	680	550	400	270	1.2
MAXIMUM SHUTOFF PRESSURE (KPA)							WEIGHT
MODEL	FORCE (N)	DN20	DN25	DN32	DN40	DN50	KG
NAV... - 18	1800	340	150	90	-	-	4.8
NAV... - 30	3000	-	-	270	150	90	5.0

FIGURE 3: ACTUATOR WIRING DIAGRAM

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TABLE 3: DIMENSION OF ACTUATOR (mm)

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APPLICATION OVERVIEW

The NAV series Electric Valve Actuator features a complete range from 1000N to 3000N actuating force.

They are use with the globe valve to regulate the flow of water or Steam. The Actuator can be ordered with NENUTEC Valve NVCS or NVCF series valves and NTC controller for a complete HVAC solution.

FAQ

Q1: What warranty do you provide for motorized valves?

We provide a standard 12–24 month warranty for our motorized valves, covering manufacturing defects.

Q2: How should I choose the right size and type of motorized valve for my project?

You should consider pipe size, flow rate, working pressure, voltage, and application. Our engineering team can help you select the best motorized valve solution.

Q3. What are the main types of damper actuators?

The main types include electric damper actuators, pneumatic damper actuators, spring return actuators, and non-spring return actuators. The right type depends on your HVAC project requirements and control system.

Q4. Do you offer spring return and non-spring return damper actuators?

Yes.
Spring return actuators automatically return the damper to its safety position in case of power failure, often used in fire and smoke applications.
Non-spring return actuators are ideal for standard ventilation control.

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