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Control Valves VA-4233, VA-7000 series

Mã sản phẩm: Control Valves VA-4233, VA-7000 series
Nhà Sản Xuất:

Johnson Controls

The VA-7000 Series is a family of direct-mount non-spring return actuators for use with 1/2" to 2" JCI VG7000 valves suitable for a wide range of HVAC applications. They are available for three-wire floating control or proportional control. The VA-4233 Series direct-mount spring return actuators, are available for two-position, floating, or proportional control. These actuators are a popular choice for Building Automation Systems, BAS, and HVAC applications.

Features:

  • Compact size
  • Simple installation and adjustment
  • No separate linkages
  • Economical, yet powerful

Specifications:
Supply Voltage:24 VAC 50/60 Hz
Noise:35 dBa @ 3.3 ft (1m)
Feedback:0/2-10 VDC (VA-78xx-HGA only)
Auxiliary Contacts:Two SPDT; 50 VA pilot duty @ 24 VAC; 5.8A resistive, 1/4 HP, 275 VA pilot duty @ 120 VAC (VA-4233-GGC only)
Valve Mounting:
 :VA-71xx, -72xx Set screw to bonnet, 1/4-28 UNF-2B threads for valve stem;
 :VA-4233, -78xx Set screw to bonnet, stem nut connector
Spring Return Time:15 seconds (VA-4233 only)
Life Expectancy:100,000 full stroke cycles
Operating Temperature:
 :VA-71xx 0° to 140°F (-18° to 60℃);
 :VA-72xx, -78xx 23° to 131°F  (-5° to 55℃);
 :VA-4233 32° to 122°F  (0° to 50℃)
Operating Humidity:10% to 90% RH non-condensing
Approvals:
 :VA-71xx, -72xx, -4233 UL 873 Listed, File E27734, Class 2, plenum rated; CSA C22.2 No. 139 Certified, File LR85083; CE Directive 89/336/EEC;
 :VA-78 UL 60730 Listed, File E194024; ULc 60730-1 Listed; CE Directive 89/336/EEC


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