Siemens Flowrite 599 Series Technical Instructions
Electronic valve actuators, 24 vac proportional control
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- Technical instructions (18 pages) ,
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Flowrite™ 599 Series
SKD6xU Electronic Valve
Actuators
24 Vac Proportional Control
Description
Features
Application
Product Number
Warning/Caution Notations
The Flowrite 599 Series SKD6xU Electronic Valve Actuators require a 24 Vac supply
and receive a 0 to 10 Vdc or a 4 to 20 mA control signal to proportionally control a
valve. These actuators are designed to work with Flowrite 599 Series valves with a 3/4-
inch (20 mm) stroke.
·
Direct-coupled installation requires no special tools or adjustments
·
Visual and electronic stroke indication
·
Die-cast aluminum housing
·
Manual override
·
Spring return to fail-safe position or non-spring return fail-in-place
·
Automatic stroke calibration
·
Maintenance-free
These electronic actuators are designed to be used with Flowrite 599 Series valves and
Siemens Industry standard valves with a 3/4-inch (20 mm) stroke in liquid service
applications.
CAUTION:
Do not use in low pressure steam applications.
SKD62U, Spring Return
SKD60U, Non-Spring Return (Actuator Prefix Code 267)
WARNING:
Personal injury or loss of life may occur if you
do not perform a procedure as specified.
Equipment damage or loss of data may occur
CAUTION:
if you do not perform a procedure as
specified.
Technical Instructions
Document No. 155-180P25
(Actuator Prefix Code 274)
EA 599-4
February 28, 2018
Siemens Industry, Inc.
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Table of Contents
Related Manuals for Siemens Flowrite 599 Series
Summary of Contents for Siemens Flowrite 599 Series
- Page 1 The Flowrite 599 Series SKD6xU Electronic Valve Actuators require a 24 Vac supply and receive a 0 to 10 Vdc or a 4 to 20 mA control signal to proportionally control a valve. These actuators are designed to work with Flowrite 599 Series valves with a 3/4- inch (20 mm) stroke.
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Page 2: Specifications
<32°F (0°C) requires a Stem Heater NEMA Rating NEMA 1 (interior only) Housing See Accessories. Dimensions See Figure 17 Miscellaneous Conduit opening 1/2-inch NPSM Weight SKD60U 7.9 lbs (3.6 kg) SKD62U 8.5 lbs (3.85 kg) Page 2 Siemens Industry, Inc. -
Page 3: Service Kits
Plastic wiring compartment cover 4-104 5634-8 Manual Override Kit for SKD 4-268 5504-8 Ultraviolet (UV) resistant cable ties (pkg. of 10) 538-996 WARNING: This product contains a spring under high compression. Do not attempt to disassemble the actuator. Siemens Industry, Inc. Page 3... -
Page 4: Operation
Figure 7. Valve Stem Travel Indication. Page 4 Siemens Industry, Inc. -
Page 5: Mounting And Installation
Y or Z (3), and the green LED now glows steadily (normal operation). Figure 10. · Throughout this procedure, output U is inactive; meaning, the values only represent actual positions when the green LED stops flashing and remains on continuously. Siemens Industry, Inc. Page 5... - Page 6 Inner valve jammed Check the valve · -Check mains No power supply · -Replace electronics Faulty electronics Override Control The override control input (Z) has three modes of operation: The Z-modes have a "direct acting" factory setting. Page 6 Siemens Industry, Inc.
- Page 7 Outward (0 to 1): Valve opens between port NC and C. · Inward (1 to 0): Valve opens between ports NO and C. The measuring voltage at terminal U provides valve stem position feedback to an indicating instrument or building automation system. Siemens Industry, Inc. Page 7...
- Page 8 100 VA power supplies. · The position output signal U will switch from 0 to 10 Vdc to 4 to 20 mA when a 4 to 20 mA input signal is selected and used on the Y terminal. Page 8 Siemens Industry, Inc.
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Page 9: Wiring Diagrams
Figure 15. Packing Heating Element 599-00417. Check that the wires are connected correctly and attached securely. Troubleshooting Check for adequate power supply. Check that the actuator is set for automatic operation. See the Start-Up section. Siemens Industry, Inc. Page 9... - Page 10 Technical Instructions SKD6xU Electronic Valve Actuators 24 Vac Proportional Control Document Number 155-180P25 February 28, 2018 Dimensions Figure 16. Dimensions of 599-10071 Weather Shield in Inches (Millimeters). Page 10 Siemens Industry, Inc.
- Page 11 Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as design improvements are introduced. Flowrite is a trademark of Siemens Industry, Inc. Other product or company names mentioned herein may be the trademarks of their respective owners.