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Summary of Contents for Woodward GS Series
- Page 1 Pre-Release Product Manual 35210 (Revision 2, 11/2022) Original Instructions Woodward Gas Fuel Skid with GS Series Metering Valves For GE DLE Turbines: LM2500+ DLE, LM2500+ G4 DLE, PGT25+ DLE, PGT25+ G4 DLE LM6000PF Installation, Operation, and Maintenance Manual EC‐US‐L1 ...
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Page 2: General Precautions
Revisions— A bold, black line alongside the text identifies changes in this publication since the last revision. Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be correct and reliable. However, no responsibility is assumed by Woodward unless otherwise expressly undertaken. -
Page 3: Table Of Contents
......................9 HAPTER NSTALLATION Introduction ..............................9 Mechanical Installation ..........................9 Electrical Installation ........................... 11 GS Series Valve Setup/Configuration ......................11 Water Ingress Protection ..........................12 3. M ......................19 HAPTER AINTENANCE Introduction ..............................19 ... - Page 4 Table of Figures Figure 2-1. Bolt Tightening Sequence ..............10 Figure 2-2a. Standard Woodward GS40 (Stainless Steel Body) Gas Fuel Skid Detailed View 13 Figure 2-2b. Standard Woodward GS40 (Stainless Steel Body) Gas Fuel Skid Isometric View ...
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Page 5: Warnings And Notices
Be prepared to make an emergency shutdown when starting the engine, turbine, or other type of prime mover, to protect against runaway or overspeed with possible personal injury, loss of life, or property damage. Start-up Woodward EC‐US‐L1 ... -
Page 6: Electrostatic Discharge Awareness
Do not touch the components or conductors on a printed circuit board with your hands or with conductive devices. To prevent damage to electronic components caused by improper handling, read and observe the precautions in Woodward manual 82715 , Guide for Handling and Protection of Electronic Controls, Printed Circuit Boards, and Modules. -
Page 7: Regulatory Compliance
Zone 2: Ex ec IIC T3 Gc Special Conditions for Safe Use: The Woodward GS Series Gas Fuel Skid must be installed in an area protected from exposure to water and falling debris. The end user must provide electrical emergency switch-off and means for electrical isolation of the equipment. - Page 8 Division 2 Due to typical noise levels in turbine environments, hearing protection should be worn when working on or around the GS Series gas fuel skid. The surface of this product can become hot or cold enough to be a hazard.
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Page 9: Control Specifications
Pre-Release Manual 35210 DLE Gas Fuel Skid Control Specifications Electrical Characteristics GS Series Electrical Refer to GS Series manual 35136 Information: Smart Pressure Transducer Refer to Smart Pressure Transducer manual 26080 Electrical Information: GSOV25 HT Electrical Refer to GSOV25 HT manual 26190... -
Page 10: Chapter 1. General Information
Chapter 1. General Information The Woodward GS Series gas fuel skid is an integrated valve, driver, and pressure- sensing assembly with the ability to meter gas fuel accurately for low-emissions turbines. To achieve accurate gas fuel metering, a digital position demand signal from the supervisory control must be used. The GS Series valve is capable of CANopen digital communications protocols. -
Page 11: Chapter 2. Installation
Notify the shipper and Woodward if damage is found. The Woodward GS Series gas fuel skid ships with covers on the inlet and discharge pipe flanges as well as the vent lines. The shipping covers ensure that debris is unable to enter the fuel skid before final assembly into the turbine baseplate. -
Page 12: Pipe Installation
SAE J429. The use of thread anti-galling lubricant is required on all bolted connections. The use of helical split washers is recommended. O-rings for the SAE flange connections are Viton, size 225 (Woodward part number 1355-423). Rated torque for the discharge connections is (28 to 33) Nꞏm / (21 to 24) lb.-ft. -
Page 13: Electrical Installation
Class I, Division 2, Zone 2 or Zone 1 applications. Take care not to damage the GS Series driver cover seal or flamepath surfaces while removing or replacing the cover on conduit versions. Damage to this joint may result in moisture ingress, fire, or explosion. -
Page 14: Water Ingress Protection
Manual 35210 DLE Gas Fuel Skid Water Ingress Protection The following are considerations for protecting the Woodward GS Series gas fuel skid from water damage. Turbine Water Wash Process: Some customers perform a water wash of the turbine compressor section, which can result in incidental water spray directed onto the gas fuel skid. -
Page 15: Figure 2-2A. Standard Woodward Gs40 (Stainless Steel Body) Gas Fuel Skid Detailed View
Pre-Release Manual 35210 DLE Gas Fuel Skid Figure 2-2a. Standard Woodward GS40 (Stainless Steel Body) Gas Fuel Skid Detailed View Woodward EC‐US‐L1 ... -
Page 16: Figure 2-2B. Standard Woodward Gs40 (Stainless Steel Body) Gas Fuel Skid Isometric View
Pre-Release Manual 35210 DLE Gas Fuel Skid Figure 2-2b. Standard Woodward GS40 (Stainless Steel Body) Gas Fuel Skid Isometric View Woodward EC‐US‐L1 ... -
Page 17: Figure 2-3A. Standard Woodward Gs40 (Aluminum Body) Gas Fuel Skid Detailed View
Pre-Release Manual 35210 DLE Gas Fuel Skid Figure 2-3a. Standard Woodward GS40 (Aluminum Body) Gas Fuel Skid Detailed View Woodward EC‐US‐L1 ... -
Page 18: Figure 2-3B. Standard Woodward Gs40 (Aluminum Body) Gas Fuel Skid Isometric View
Pre-Release Manual 35210 DLE Gas Fuel Skid Figure 2-3b. Standard Woodward GS40 (Aluminum Body) Gas Fuel Skid Isometric View Woodward EC‐US‐L1 ... -
Page 19: Figure 2-4A. Standard Woodward Gs50 (Stainless Steel Body) Gas Fuel Skid Detailed View
Pre-Release Manual 35210 DLE Gas Fuel Skid Figure 2-4a. Standard Woodward GS50 (Stainless Steel Body) Gas Fuel Skid Detailed View Woodward EC‐US‐L1 ... -
Page 20: Figure 2-4B. Standard Woodward Gs50 (Stainless Steel Body) Gas Fuel Skid Isometric View
Pre-Release Manual 35210 DLE Gas Fuel Skid Figure 2-4b. Standard Woodward GS50 (Stainless Steel Body) Gas Fuel Skid Isometric View Woodward EC‐US‐L1 ... -
Page 21: Chapter 3. Maintenance
To take advantage of related product software and hardware improvements, it is recommended that your product be sent back to Woodward or to a Woodward authorized service facility after every five to ten years of continuous service for inspection and component upgrades. Please refer to the service options chapter when returning products. - Page 22 Series valve. Do not lift or handle the valve by any conduit or cable. NOISE—Due to typical noise levels in turbine environments, hearing protection should be worn when working on or around the GS Series valve. BURN HAZARD—The surface of this product can become hot or cold enough to be a hazard.
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Page 23: Gsov25 Ht Maintenance
If vent leakage exceeds 1000 cm³/min when the valve is closed, either the solenoid, the second stage ball seat, or the internal seals are leaking. If a spare solenoid is available, replace it to determine its effect on leakage. If replacing the solenoid does not correct the leakage problem, return the valve to Woodward for repair. -
Page 24: Proximity Switch
1. Disconnect any wiring or conduit attached to the proximity switch. 2. Use an adjustable wrench on the 1.000-inch (25.40 mm) hex of the proximity switch head and back the switch out of the body by turning counterclockwise. Woodward EC‐US‐L1 ... -
Page 25: Component Replacement
20 Nꞏm / 15 lb.-ft, again while holding the switch hex head. 7. Re-assemble the switch wiring and conduit connections. Component Replacement Woodward has prepared detailed guides and installation kits to ease the replacement of skid component hardware. Contact Woodward for gas fuel skid component replacement kits, including detailed instruction. Woodward... -
Page 26: Chapter 4. Product Support And Service Options
An Authorized Independent Service Facility (AISF) provides authorized service that includes repairs, repair parts, and warranty service on Woodward's behalf. Service (not new unit sales) is an AISF's primary mission. A Recognized Turbine Retrofitter (RTR) is an independent company that does both steam and gas turbine control retrofits and upgrades globally, and can provide the full line of Woodward systems and components for the retrofits and overhauls, long term service contracts, emergency repairs, etc. -
Page 27: Returning Equipment For Repair
All repair work carries the standard Woodward service warranty 5-01-1205 North American Terms and Conditions of Sale (Industrial Business Segment) on replaced parts and labor. -
Page 28: Engineering Services
Field Service engineering on-site support is available, depending on the product and location, from many 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. -
Page 29: Technical Assistance
DLE Gas Fuel Skid Technical Assistance If you need to contact technical assistance, you will need to provide the following information. Please write it down here before contacting the Engine OEM, the Packager, a Woodward Business Partner, or the Woodward factory: General... -
Page 30: Revision History
Pre-Release Manual 26722 DLE Gas Fuel Skid Revision History Woodward EC‐US‐L1 ... - Page 31 Pre-Release Manual 26722 DLE Gas Fuel Skid This Page Left Intentionally Blank Woodward EC‐US‐L1 ...
- Page 32 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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