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Manual 35022 

SonicFlo High Temperature Gas Fuel Control Valves 

 

 

 

Woodward 

35 

Revision History 

 
 

Changes in Revision A— 

 

Updated Certifications in Regulator and Compliance Section 

 

Modified and added Ultra High Specifications to Control Valve Functional Characteristics Table 

 

Added Figures 1-3a and 1-3b 

 

Modified notes in Figure 4-2 

 

Added updated DOC/DOI 

 
 
 

 

Содержание SonicFlo

Страница 1: ...vision A 2 2017 Original Instructions SonicFlo High Temperature Gas Fuel Control Valves High Recovery and Ultra High Recovery Designs Dual Core LVDT with No trip and Enhanced Dynamics Package Installation and Operation Manual ...

Страница 2: ... damage to the equipment Any such unauthorized modifications i constitute misuse and or negligence within the meaning of the product warranty thereby excluding warranty coverage for any resulting damage and ii invalidate product certifications or listings Translated Publications If the cover of this publication states Translation of the Original Instructions please note The original source of this...

Страница 3: ...ion 18 Electrical Connections 19 CHAPTER 4 MAINTENANCE AND HARDWARE REPLACEMENT 22 Maintenance 22 Hardware Replacement 22 Inspections 26 Troubleshooting 28 CHAPTER 5 PRODUCT SUPPORT AND SERVICE OPTIONS 31 Product Support Options 31 Product Service Options 31 Returning Equipment for Repair 32 Replacement Parts 33 Engineering Services 33 Contacting Woodward s Support Organization 33 Technical Assist...

Страница 4: ...Recovery no Trip 11 Figure 1 3b SonicFlo Outline Drawing 2 inch Class 300 Ultra High Recovery no Trip 12 Figure 1 4 Hydraulic Schematic Circuit 13 Figure 1 5 Wiring Diagram 14 Figure 2 1 Servo Valve Cutaway 15 Figure 3 1 Gas Fuel Control Valve Block Diagram 20 Figure 3 2 Structures for PID Control 20 Figure 4 1 Inspection Areas for 2 Inch Valves 27 Figure 4 2 Location of Hydraulic Interseal Drain ...

Страница 5: ... with an overspeed shutdown device to protect against runaway or damage to the prime mover with possible personal injury loss of life or property damage The overspeed shutdown device must be totally independent of the prime mover control system An overtemperature or overpressure shutdown device may also be needed for safety as appropriate Personal Protective Equipment The products described in thi...

Страница 6: ...or Handling and Protection of Electronic Controls Printed Circuit Boards and Modules Follow these precautions when working with or near the control 1 Avoid the build up of static electricity on your body by not wearing clothing made of synthetic materials Wear cotton or cotton blend materials as much as possible because these do not store static electric charges as much as synthetics 2 Do not remo...

Страница 7: ... atmospheres Zone 2 Category 3 Group II G Ex nA IIC T3X IP54 See below for special conditions for safe use Other European Compliance Compliance with the following European Directives or standards does not qualify this product for the application of the CE Marking Machinery Directive Compliant as partly completed machinery with Directive 2006 42 EC of the European Parliament and the Council of 17 M...

Страница 8: ...s is the responsibility of the manufacturer of the machinery into which this product is incorporated The risk of electrostatic discharge is reduced by permanent installation of the valve proper connection to the protective earth PE terminals and care when cleaning The valve should not be cleaned unless the area is known to be non hazardous EXPLOSION HAZARD Do not connect or disconnect while circui...

Страница 9: ...rcentage flow characteristic from 0 to 15 stroke and a linear flow characteristic from 15 to 100 stroke The design integrates the valve and actuator into a compact assembly The integral actuator is a single acting spring loaded design for failsafe operation The actuator includes an onboard hydraulic filter for last chance filtration of the fluid to ensure reliability of the servo valve and actuato...

Страница 10: ... Per SAE J214 Fluid Filtration Required 10 15 µm absolute Trip Time No Trip Slew Time 0 490 0 098 seconds open 5 to 95 0 430 0 086 seconds closed 95 to 5 Design Availability Objective Better than 99 5 over an 8760 hour period Hydraulic Fluid Connections Supply pressure 0 750 14 UNF straight thread port 8 Drain pressure 1 312 20 UNF straight thread port 16 Sound Level 110 dB at max flow conditions ...

Страница 11: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 9 Figure 1 2a SonicFlo Outline Drawing 2 inch Class 300 no Trip ...

Страница 12: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 10 Figure 1 2b SonicFlo Outline Drawing 2 inch Class 300 no Trip ...

Страница 13: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 11 Figure 1 3a SonicFlo Outline Drawing 2 inch Class 300 Ultra High Recovery no Trip ...

Страница 14: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 12 Figure 1 3b SonicFlo Outline Drawing 2 inch Class 300 Ultra High Recovery no Trip ...

Страница 15: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 13 Figure 1 4 Hydraulic Schematic Circuit ...

Страница 16: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 14 Figure 1 5 Wiring Diagram ...

Страница 17: ...is proportional to the total current applied to the three coils Thus the opening velocity is also proportional to the current above null supplied to the torque motor If the control system requires a rapid movement to close the gas fuel valve the total current is reduced well below the null current In such a condition port PC1 is connected to the hydraulic drain circuit The flow rate from the pisto...

Страница 18: ...draulic components to stick or operate erratically The filter is supplied with a visual indicator which shows when the recommended pressure differential has been exceeded and thus replacement of the element is necessary LVDT Position Feedback Sensors The SonicFlo high recovery control valves use a dual coil LVDT for position feedback The LVDT is factory set to give 0 7 Vrms feedback at minimum pos...

Страница 19: ...tation External fire protection is not provided in the scope of this product It is the responsibility of the user to satisfy any applicable requirements for their system Due to typical noise levels in turbine environments hearing protection should be worn when working on or around the SonicFlo valve The surface of this product can become hot enough or cold enough to be a hazard Use protective gear...

Страница 20: ...ameter of Bolts Stud Length Machine Bolt Length 2 inch 51 mm 8 5 8 inch 16 mm 3 50 inch 88 9 mm 3 00 inch 76 2 mm Flange gasket materials should conform to ASME B16 20 The user should select a gasket material which will withstand the expected bolt loading without injurious crushing and which is suitable for the service conditions When installing the valve into the process piping it is important to...

Страница 21: ... not connect any cable grounds to instrument ground control ground or any non earth ground system The use of cable with individually shielded twisted pairs is recommended All signal lines should be shielded to prevent picking up stray signals from nearby equipment Installations with severe electromagnetic interference EMI may require shielded cable run in conduit double shielded wire or other prec...

Страница 22: ...e control system null current match the as measured current for each valve in the system Incorrect null current setting with proportional control only will result in position error Figure 3 1 Gas Fuel Control Valve Block Diagram 2 valves Ksv nominal 6 1 in sec mA at 1600 psi supply Ksv is proportional to square root of supply and constant with position Ksv 8 1 in sec mA in the opening direction Ks...

Страница 23: ...asure the feedback voltage from each LVDT Adjust the Offset in the feedback loop until the feedback voltage matches the documented values see the label inside the electrical enclosure for that position Adjust the command position to 90 of full stroke Adjust the Gain of the feedback loop until the LVDT feedback voltage matches the documented values Set the command position to close the valve Verify...

Страница 24: ...is known to be non hazardous Substitution of components may impair suitability for Class I Division 2 or Zone 2 applications To prevent possible serious personal injury or damage to equipment be sure all electric power hydraulic pressure and gas pressure have been removed from the valve and actuator before beginning any maintenance or repairs Do not lift or handle the valve by any conduit Lift or ...

Страница 25: ...ins a large amount of hydraulic fluid that may be spilled during filter removal 2 Remove the filter element by pulling straight down from the rest of the assembly 3 Obtain a new filter element from Woodward 4 Lubricate the O ring on the inside diameter of the cartridge with hydraulic fluid 5 Install the cartridge into the assembly by sliding the open end of the cartridge onto the nipple 6 Install ...

Страница 26: ...rom the tie rods until you have verified that the preload has been removed from the springs 9 Slowly remove the four remaining 0 500 13 nuts from the tie rods rotating each nut one turn at a time This will keep the cover and LVDT square with the housing Failure to remove the nuts in this manner can cause the cover and LVDT body to become misaligned with the LVDT core rods potentially damaging them...

Страница 27: ...ut voltage using a high quality digital voltmeter select AC measurement mode 37 With the actuator at minimum position the output of the LVDT measured across terminals 9 10 and 13 14 should be 0 700 0 100 Vrms If the readout is not within these specifications adjust the LVDT in or out of the actuator by screwing the LVDT housing in or out of the top block NOTE A small rotation of the LVDT will caus...

Страница 28: ...covers onto the tie rods Rotation of Actuator Relative to the Gas Valve 1 If the valve is contained within the piping confirm there is no pressure in the valve and that the isolation valves have been appropriately locked out Carefully support the valve using the two lifting lugs located on the top of the valve actuator 2 Remove four 0 500 13 cap screws from the actuator base Once the screws are re...

Страница 29: ...erature Gas Fuel Control Valves Woodward 27 Figure 4 1 Inspection Areas for 2 Inch Valves Remove the hydraulic interseal drain tube and cap the drain fitting Figure 4 2 Location of Hydraulic Interseal Drain and Cap for 2 Inch Valves ...

Страница 30: ...e spring seat within the actuator housing 4 Using a customer supplied travel indicator with a total stroke greater than 3 10 inches 78 7 mm placed on top of the sliding piece of the tool attach the indicator to the actuator housing Zero the indicator 5 Raise the servo valve current to 2 0 5 mA The valve should move fully open 6 The maximum travel should match the value recorded within the electric...

Страница 31: ...rrent incorrect The sum of the current through the three coils of the servo valve must be greater than the null bias of the servo valve for the gas valve to open Trace and verify that all wiring is in accordance with the electrical schematic Figure 1 4 and the system wiring schematic s Pay special attention to the polarity of the wiring to the servo valve and LVDT Servo valve failure Replace servo...

Страница 32: ...odward for service Control system instability Contact control system supplier Actuator seals wear out prematurely Hydraulic contamination level is excessive Verify hydraulic contamination levels are within recommendations of Chapter 1 The use of excessive dither may reduce life in contaminated systems System is oscillating seal life is proportional to distance traveled Even small oscillations on t...

Страница 33: ...s Woodward Business Partner Support Woodward works with and supports a global network of independent business partners whose mission is to serve the users of Woodward controls as described here A Full Service Distributor has the primary responsibility for sales service system integration solutions technical desk support and aftermarket marketing of standard Woodward products within a specific geog...

Страница 34: ...t will be All repair work carries the standard Woodward service warranty Woodward Product and Service Warranty 5 01 1205 on replaced parts and labor Flat Rate Remanufacture Flat Rate Remanufacture is very similar to the Flat Rate Repair option with the exception that the unit will be returned to you in like new condition and carry with it the full standard Woodward product warranty Woodward Produc...

Страница 35: ...any of our worldwide locations or from one of our Full Service Distributors The field engineers are experienced both on Woodward products as well as on much of the non Woodward equipment with which our products interface For information on these services please contact us via telephone email us or use our website www woodward com Contacting Woodward s Support Organization For the name of your near...

Страница 36: ...del Number Type of Fuel gas steam etc Power Output Rating Application power generation marine etc Control Governor Information Control Governor 1 Woodward Part Number Rev Letter Control Description or Governor Type Serial Number Control Governor 2 Woodward Part Number Rev Letter Control Description or Governor Type Serial Number Control Governor 3 Woodward Part Number Rev Letter Control Descriptio...

Страница 37: ...35 Revision History Changes in Revision A Updated Certifications in Regulator and Compliance Section Modified and added Ultra High Specifications to Control Valve Functional Characteristics Table Added Figures 1 3a and 1 3b Modified notes in Figure 4 2 Added updated DOC DOI ...

Страница 38: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 36 Declarations ...

Страница 39: ...Manual 35022 SonicFlo High Temperature Gas Fuel Control Valves Woodward 37 ...

Страница 40: ...ins CO 80522 1519 USA 1041 Woodward Way Fort Collins CO 80524 USA Phone 1 970 482 5811 Email and Website www woodward com Woodward has company owned plants subsidiaries and branches as well as authorized distributors and other authorized service and sales facilities throughout the world Complete address phone fax email information for all locations is available on our website ...

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