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SKU#(345) Be the First to Review this Item

INTEC  MVA43

FLOW / VALVES
NEMA-2 IP31

$77.35     Availability: 7 Days
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INTEC MVA43
  • Overview
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Intec MVA Globe Valve Actuator with On/Off or Pulse Width Modulating (PWM) input signal. Electro-thermal, bidirectional, noiseless and zone globe. 24 VAC. With fail-safe control. Compact size. 2-wire connection. UL94-HB Enclosure. NEMA2. IP31. CE Listed.

$77.35 

  Availability 7 Days  ]

DESCRIPTION

Electro-thermal, bidirectional, noiseless, zone globe valve actuators with fail-safe control.

APPLICATION

Actuators with integrated quick clamp and screw for pop-on coupling on 2-way or 3-way zone globe valves for fan coil units, reheat of VAV/VVT boxes, base boards, and other AC units. Can be controlled by any compatible electric or electronic analog controller, DDC/PLC control or automation system.

FEATURES
  • Easy, pop-on valve actuator
  • Spring return, with V.Z valves
  • On/Off
  • Modulating with PI/PID time proportioning/pulse width
  • 2-wire
  • Compact size
  • Maintenance free
  • Two-year warranty

MVA SPECIFICATIONS
Control
Input signalOn/Off or Pulse width modulating
Connection2-wire
Electrical
Power supply24 VAC, 10%
Frequency50/60 Hz
Power consumption50/60 Hz
Actuator typeElectro-thermal (PTC thermistor heats thermostatic element and moves piston/stem downwards, valve spring moves stem/piston upwards)
Noise level (actuating and spring return)0 db (A), noiseless
Performance
Positioning forceActuator: 24.7 lbf (110 N)
Spring return: 24.7 lbf (110 N)
Positioning stroke0.157 (4.0 mm)
Running timeActuator cold start (powered up to 1st movement): 120 sec.
Full stroke opening (stem down): 180 sec.
Full stroke closing, spring return (stem up): 480 sec.
Power failureSprings back to stem-up w/ V.Z valve series
Environmental
Working temperature41F to 122F (5C to 50C)
Storage temperature-13F to 149F (-25C to 65C)
Humidity5-95% RH, non-condensing
Physical
EnclosureFire retardant, UL94-HB
Enclosure cover (top) materialPA6
Enclosure base materialPP
Enclosure colorBlue and gray
Enclosure protectionNEMA 2 (IP 31), conforms to IES 730-1 (93)/6.5.3
Enclosure protection classII (CEI 107-10)
Mounting positionHorizontal or vertical, avoid cable outlet pointing upwards
Wire connectionTerminal block, screw type for lead wire
Wire sizeMin. 18 AWG (0.75 mm2)
Max. 14 AWG (2.5 mm2)
Cable entry1 slotted hole, 5/16" (7.9 mm) with cable grommet
Weight w/o conduit adapter0.44 lbs. (0.2 kg)
Valve Body, CompatibilitiesVSZ..B, VMZ...B valve series
Valve CouplingQuick clamp/screw system, easy pop-on/hand connection
ManufacturingISO 9000 certified
ConformityEMC 89/336 directive, EN50081-1 for emission and EN50082-1 for immunity
Listings/ApprovalsCE
WarrantyTwo-year material and workmanship


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