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Motorized Two-Way Valve with Flanged-End Connection
(ANSI Class150 equivalent / WCB)*
General
ACTIVAL
Model VY51XEJ is a series of motorized two-way
valves with flanged-end connection. Rotary valve and
actuator are integrated in a single unit.
1
Valve size ranges from 1
/
2
Actuator has a reversible synchronous motor, which
operates at a low voltage of 24 V AC.
This product is controlled as follows:
4 to 20 mA DC input:
Provides proportional control in combination with a
single loop controller (e.g., Model SDC35/ SDC36).
Features
Compact and lightweight:
Rotary motor actualizes small body and light weight.
Valve and actuator integrated in a single unit:
Pre-assembled body requires no adjustment.
Valve applicable to high differential pressure, with large
Cv value, wide rangeability, and low leakage.
* This product was designed and manufactured conforming to the JIS (Japanese Industrial Standards, JIS20K/SCPH2).
ACTIVAL™
" to 3".
Durable actuator with low power consumption.
Equal percentage flow characteristic.
2 to 10 V DC output (for position feedback) available with
4 to 20 mA DC input for Model VY513E..
CE Marking certified:
ACTIVAL Model VY513EJ conforms to all the applicable
standards of CE Marking.
© 2015–2016 Azbil Corporation All Rights Reserved.
1
AB-7355-U
Specifications/Instructions
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Summary of Contents for Azbil ACTIVAL VY51 EJ Series
- Page 1 Cv value, wide rangeability, and low leakage. ACTIVAL Model VY513EJ conforms to all the applicable standards of CE Marking. * This product was designed and manufactured conforming to the JIS (Japanese Industrial Standards, JIS20K/SCPH2). © 2015–2016 Azbil Corporation All Rights Reserved.
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Page 2: Safety Instructions
If this product is used in a clean room or a place where particularly high reliability or control accuracy is required, please contact our sales representative. Azbil Corporation will not bear any responsibility for the results produced by the operators. - Page 3 Dispose of this product as industrial waste in accordance with your local regulations. Do not reuse all or part of the product. IMPORTANT: In case an Azbil Corporation product fails, you are required to provide your Equipment with safety design such as fool-proof design* , and fail-safe design* (anti-flame propagation design, etc.), whereby preventing any occurrence of physical injuries, fires, significant damage, and so forth.
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Page 4: Model Numbers
AB-7355-U Model Numbers Model VY51XEJ00XX is the model for the valve and actuator integrated into a single unit. The model number label is attached to the yoke. The control signal is indicated on the actuator label and on the wiring diagram label, as shown below. -
Page 5: Valve Specifications
AB-7355-U Valve specifications Item Specification Model Two-way valve with flanged-end connection ANSI Class150 equivalent (Max. working pressure: 290 psig) Class150 (ASME 16.34-2009) Body pressure rating End connection ANSI Class150 Bolt pattern flanges, raised face flange (RF) Nominal size Size, Cv, Close-off rating Model number Close-off ratings inch... - Page 6 AB-7355-U CE Marking Conformity This product complies with the following Electromagnetic Compatibility (EMC). EMC: EN61000-6-2, EN55011 Class A Dimensions Min. 2.76” (70 mm) 2.76” (70 mm) 12” (300 mm) 3.23” (82 mm) 3.35” (85 mm) Min. 4” (100 mm) N ×...
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Page 7: Parts Identifications
AB-7355-U Parts Identifications Top cover Top cover Terminal cover Actuator Knockout Terminal cover Yoke Pointer Model number S-146 VY513EJXXXX Gland packing Joint Stem Seat ring Valve body Plug : Heat insulation Figure 2. Parts identification... -
Page 8: Installation
AB-7355-U Installation WARNING Some of the product models weigh more than 40 lb (18.1 kg). Carefully move the product with a vehicle or enough manpower in an appropriate manner. Careless lift or accidental drop of the product might cause injury or product damage. -
Page 9: Heat Insulation
AB-7355-U Piping Check that the model number of the product is what you ordered. The model number is shown on the label attached to the yoke. Install a bypass pipe and gate valves on the inflow, outflow, and bypass sides. Also, install a strainer with 40 or more meshes on the inflow side. - Page 10 AB-7355-U Auxiliary switch (optional) The auxiliary switch is installed on site. Refer to the instructions supplied with the auxiliary switch/potentiometer for installation. IMPORTANT: Do not open the top cover except when adjusting the auxiliary switch/potentiometer. Close the top cover instantly after adjusting the auxiliary switch/potentiometer.
- Page 11 AB-7355-U Wiring WARNING Detach the cover only when wiring, setting the product or maintenance and reattach the cover after wiring, setting the product or maintenance. Failure to do so might cause electric shock. Before wiring or maintenance, be sure to turn off the power to the product. Failure to do so might cause electric shock ...
- Page 12 AB-7355-U 2) Unscrew the 3 setscrews (M4 x 10) of the terminal cover and remove the terminal cover, as shown in Fig. 8. Setscrews Terminal cover 1. Unscrew the setscrews. 2. Remove terminal cover. Terminal block Ground terminal Figure 8. Terminal cover removal 3) Correctly connect the wires to the terminals with M3.5 screw terminals, referring to Figs.
- Page 13 AB-7355-U Connection examples: Connection of two ACTIVAL ● Caution for two ACTIVAL powered by a single transformer: Connect the lines from the terminal 1 of each ACTIVAL to the transformer terminal with the same polarity. Connect the lines from the terminal 2 of each ACTIVAL the same way. If the terminals (of ACTIVAL and of transformer) with different polarities are connected, internal circuit of ACTIVAL may get damaged.
- Page 14 AB-7355-U ● Caution for two 4 to 20 mA input type ACTIVAL controlled by a single controller: 4 to 20mA signal input is not isolated from the power, and the 4 to 20mA input impedance is 100 Ω Select a controller and isolators (if necessary) so that the relations among the input impedance of ACTIVAL, the output load resistance of the controller, and the output load resistance and input impedance of an isolator (if necessary) meet the following formula.
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Page 15: Inspection And Troubleshooting
AB-7355-U Inspection and Troubleshooting WARNING Detach the cover only when wiring, setting the product or maintenance and reattach the cover after wiring, setting the product or maintenance. Failure to do so might cause electric shock. Before wiring or maintenance, be sure to turn off the power to the product. Failure to do so might cause electric shock ... - Page 16 AB-7355-U ACTIVAL is a trademark of Azbil Corporation in Japan or in other countries. Rev. 4.0 Jun. 2016 AB-7355-U...
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