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Diesel Engine Air Intake Shutoff Valves - AMOT

Diesel Engine Air Intake Shutoff ValvesModel RDS3 Swing Gate Valve Overview If flammable gas or vapor is present in the atmosphere surrounding a Diesel Engine , it can be ingested into the Engine and become an ungoverned fuel supply. This ungoverned fuel can result in runaway Engine overspeed potentially leading to dangerous mechanical failure or Roda Deaco RDS3 Swing Gate Valve is a positive spring actuated air Intake Shutoff valve that provides emergency overspeed shutdown of a Diesel Engine . The RDS3 Swing Gate Valve can be triggered to close which starves the Engine of air and shuts down the Features and Benefitsl Easy to install and maintainl Lightweight, compact designl Corrosion resistant aluminum, stainless steel and brass constructionl Used in manual and automatic actuatio

Diesel Engine Air Intake Shutoff Valves Model RDS3 Swing Gate Valve Overview If flammable gas or vapor is present in the atmosphere surrounding a diesel engine, it can

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  Valves, Engine, Intake, Diesel, Shutoff, Diesel engine air intake shutoff valves

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Transcription of Diesel Engine Air Intake Shutoff Valves - AMOT

1 Diesel Engine Air Intake Shutoff ValvesModel RDS3 Swing Gate Valve Overview If flammable gas or vapor is present in the atmosphere surrounding a Diesel Engine , it can be ingested into the Engine and become an ungoverned fuel supply. This ungoverned fuel can result in runaway Engine overspeed potentially leading to dangerous mechanical failure or Roda Deaco RDS3 Swing Gate Valve is a positive spring actuated air Intake Shutoff valve that provides emergency overspeed shutdown of a Diesel Engine . The RDS3 Swing Gate Valve can be triggered to close which starves the Engine of air and shuts down the Features and Benefitsl Easy to install and maintainl Lightweight, compact designl Corrosion resistant aluminum, stainless steel and brass constructionl Used in manual and automatic actuation systems.

2 - Electric - Pneumatic - Electric/pneumatic - Mechanicall Wide variety of installation kits for most installationsl Option for high temperature applications by AMOTT ypical Applicationsl Drilling rigs (onshore & offshore)l Drilling support equipmentl Well servicing equipmentl Refinery support equipmentl Bulk haulers and tankersl Generator setsl Mining equipmentl Construction equipmentl Emergency response vehicles and equipmentl Aircraft support equipmentl Work boatsl Bargesl Agriculture equipment l Locomotivesl Rail support equipmentRDS3 - Pneumatic Actuated Valvepage 2 Diesel Engine Air Intake Shutoff Valves - RDS3DS-RO-RDS3-0809-Rev3 materials.

3 Valve body Aluminum Gate arm Plated steel Sealing element Floating phenolic disc Seals Viton standard Pneumatic cylinder Aluminum, stainless steel and brass Solenoid housing Plated steel Net weights Manual actuated lbs kg(incl actuator): Pneumatic actuated lbs kg Standard solenoid actuated 9 lbs kg High temp. solenoid actuated lbs kgIntake air Standard valve -40 F to 221 F -40 C to 105 Ctemperature range: High temperature valve -40 F to 400 F -40 C to 204 C XH temperature valve -2 F to 550 F -19 C to 288 CAmbient air Standard valve -40 F to 257 F -40 C to 125 Ctemperature range: High temperature valve -40 F to 350 F -40 C to 177 C XH temperature valve -40 F to 350 F -40 C to 177 CElectric solenoid Standard solenoidactuation.

4 Nominal 12 VDC power requirement amp pull in amp hold Nominal 24 VDC power requirement amp pull in amp hold Cycle rate 6 activations per minute High and XH temperature solenoid Nominal 24 VDC power requirement 42 amp @ VDC Cycle rate 2 activations per minutePneumatic cylinder Recommended pressure 90 psi - 130 psi bar - baractuation: Minimum pressure 80 psi bar Maximum pressure 150 psi barManual actuation: Mechanical pull to release 38 lbs 169 NewtonOperationThe Model RDS3 is a compact swing gate design air Intake Shutoff valve available with electric, pneumatic, or mechanical actuation.

5 Actuation of the Model RDS3 closes the valve s sealing element which shuts off Intake air flow into the Engine . The RDS3 can be used in fully automatic or manual shutdown to the Roda Deaco System Selection Guide to determine the appropriate system and actuation for your application. page 3 Diesel Engine Air Intake Shutoff Valves - RDS3DS-RO-RDS3-0809-Rev3 SelectionThe RDS3 Swing Gate Valve can be used in applications where the air Intake line is 3 to 4 1/2 inches (76 - 114 mm) in diameter. The RDS3 Swing Gate Valve can be mounted in vertical or horizontal orientations and airflow through the valve can be in either specifying the valve note the clearance requirements for the valve with the geometry of the Engine and Intake line for your application.

6 Note that the valve reset handle is used only on the mechanical and pneumatic actuated Valves . The reset handle is not required on the solenoid actuated accommodate the installation requirements for the wide variety of Diesel Engine applications, the size and attachment types on the valve body and the valve cover are specified separately. The valve attachments are available in several styles including: hose, O-ring, V-clamp, flange, and Engine specific SizeThe RDS3 Swing Gate Valve is available in several standard sizes for Intake air lines ranging from 3 to 4 inches (76 - 102mm) in diameter.

7 Standard sizes for hose, V-clamp, and O-ring attachments are listed to the left. Additional sizes are available to meet specific application Attachment Sizes3 76 mm3 1/4 83 mm3 3/8 86 mm3 1/2 89 mm3 5/8 92 mm3 3/4 95 mm4 102mmFront view of valveProfile view of valvepage 4 Diesel Engine Air Intake Shutoff Valves - RDS3DS-RO-RDS3-0809-Rev3 Selection ContinuedValve Attachment MechanismThe hose attachment is the standard attachment mechanism. However, additional attachments are available including O-Ring, V-Clamp, Flange, and Engine specific adapters.

8 Examples are shown below. To accommodate the installation requirements for the wide variety of Diesel Engine applications, the size and connection types on the valve body and the valve cover are specified separately. Hose AttachmentUses sections of flexible hose and band clamps to attach the valve to Intake AttachmentHeavy duty V-style ring clamp used to clamp valve to metal Intake lines. Several types of V-clamp connections are AttachmentSpace saving single or dual O-Ring attachments are available. O-Rings are used to seal rigid air Intake line AttachmentFlange attachments on the valve are available to secure the valve to the Engine .

9 Special AttachmentsAdditional attachments are available on Hose x Standard HoseExterior Single O-Ring x Exterior Single O-Ring Dual O-Ring x O-Ring Receiver CupMale V Clamp x Female V ClampInterior Dual O-Ring x Interior Dual O-RingExtended Depth Hose x Extended Depth HoseFlat Face V Clamp x Standard HoseFlange x FlangeInterior Dual O-Ring x FlangeFemale V Clamp x Male Notched V Clamppage 5 Diesel Engine Air Intake Shutoff Valves - RDS3DS-RO-RDS3-0809-Rev3 Features SelectionValve Actuation TypePneumatic ActuationElectric ActuationMechanical ActuationThe RDS3 Diesel Engine Air Intake Shutoff Valve valve has three actuation methods: pneumatic, electric and mechanical.

10 Please refer to the Roda Deaco System Selection Guide for complete descriptions of the systems to help determine the proper actuation required for your ActuationThe electrically actuated RDS3 is an energize-to-close valve. It operates using either 12 VDC or 24 VDC power. The valve will automatically reset after the Engine stops and power is removed. The electrically actuated RDS3 valve is designed for use in the systems indicated below:l Automatic Electric Overspeed RPM Detection with Manual Overridel Manual Electric System Pneumatic ActuationThe pneumatically actuated RDS3 is designed for mechanical latching in the open position ( Engine run) and air pressure actuated closure.


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