Inlet Outlet Pressure Time - SkoFlo

1 Features Remote Electronic or ROV / Diver Adjustable Proven Reliability (8,000 SkoFlo valves around the world) Onboard Flow and Pressure Monitoring on Electric Models 10,000 ft (3km) Rated Operating Depth Deeper Available Up to 15,000 psi (1034 bar) Service Pressure Docks and Operates with Full Rated Pressure Drop Across Valve Fail As-Set Design, Maintains Flow Control Cost Savings Through Reduction in Umbilical Tubing Lines 1 or 2 Valves per Docking Assembly Onboard Filtration Sensors Available for Wellhead/Down-hole MonitoringSkoFlo Industries, Inc.

2 Phone: (425) 485-7816 USAMOTORSFQinQoutValve HeartProven 8,000 in Service for 16 years QinInletand/orOutletPressureTimeOutputFL OWRateTimeQout gpm ( l/min), gpm ( l/min), gpm ( l/min)The SkoFlo valve operates on a simpleand reliable principle of a given fluidflow rate will generate a consistentpressure drop across a knownrestriction. This Pressure drop producesa net force on a piston which is counteredby a spring force. A ceramic throttlingpoint attached to the piston keeps thespring force equal to the pressuredifferential and thereby maintains aconstant flow that is independent ofexternal Pressure fluctuation.

3 Noadjustments are needed to maintaina preset flow!The diagrams below show fluctuating Pressure in with a steady flow Independent FlowFixed Orifice LF Series1-7570 l/day @ 1,034 gal/day at 15,000 psigHow SkoFlo Works For YouStandard Sensors - Orifice Inlet - Orifice Outlet11 Not externally readableOptional Sensors - Measures ValveOutlet Pressure - Measures Valve InletNote: P4 can be used tomonitor filter condition= Dp Flowmeter2 MotorSFProcessInjectionPressureand/orche micalInputPressureSkoFloOutputFlowVolume IntoProcessFluidTimeSkoFlo Sub SeaChemical Injection ValveTimeInletThrottlingPoint PistonStemOutletMeasurementOrifice FilterStem OutletThrottlingPoint P1P2P4P3P1P2P3P4 Variable Orifice MF Series TheSkoFloadvantage!

4 P1P2P3P4 Precision FixedOrificeFilterVariableOrifice Valve Options: Single SkoFlo Valve Core Fixed or Variable Orifice Design Fixed orifice (LF) design to 2000 gal/day (1-7570 l/day) Flow as low as gpd (1 l/day)available Variable orifice low flow (MF) gpm ( l/min) Dual SkoFlo Valve Core (caninject the same or differentchemicals) Two fixed orifice design SkoFlovalves Two variable orifice design SkoFlovalves One fixed and one variable orificedesign SkoFlo valves One SkoFlo valve plus a jumper/bypass Large Internal filters (up to110 in2 750 cm2 filter area)

5 Side mounted ROV replaceablewetmate connector availableValve Specifications Weight in water approx. 200 lbs(90 kg) with dual valve cores 10,000 ft (3km) Operating Depth Up to 15,000 psi (1034 bar)Service Pressure Flow measurement accuracy of5% or better depending on actualflow conditionsRemote Adjustable Sub Sea ValveROV or Diver Replaceable3 SSV MatedwithReceptacleNote: Specifications are subject to submittal sheets for exact -ROV/TorqueTool EndDocking Canister -Receptacle EndTyp. FluidCouplingsLatchDockingReceptacle -Mounts toSubsea Panelor Control PodStab PlateElectricalConnectorElectrically Operated Valve OptionsSingle or Dual Valve Cores With Stab PlateWetmate ConnectorROV ReplaceableDocking Canister Stab Plate WetmateElectrical ConnectorOrDocking Receptacle Fixed to Christmas TreeOptional 2nd Valve orEmpty for SingleValve ModelJ-PlateInlet Fluid #2 DockingLedge orSaddleOutlet Fluid #2 OutletFluid #1 Inlet Fluid #1 Bypass Loop orOrifice Holder1st Valve Core 4 2 valves per docking canister saves valuable space on yoursubsea

6 Panel. 2nd position inside of the canister can be used as a flushingjumper to bypass valve. With additional Pressure transducers and a fixed orifice, thebypass jumper above can also serve as a flow meter to accuratelymeasure the amount of bypassed fluid such as in a purge. Second valve core can be configured for 2nd chemical or as aredundant system. With single core or single core and bypass a large last chancefilter is available with capacity of up to 110 in2. CANBUS, MODBUS, Profibus or Analog Output 4w Max per Core, 24 VDC +/-4 Std. Core #2 BypassOrifice with Filter/Bypass Loop J-Plate Tree MountedDocking SaddleROV Retrievable, RemoteAdjustable Single andDual Core Docking Valve Core #1 SkoFloValve w/J-PlateElectrical Connector MQC/TemplateMount Valve ROV Mateable SideMount Electrica|Connectorwith Guide Cone Docking CanisterDual Core SkofloDocking Valve w/Side MountElectrical Connector andExtra Capacity Filters 5 Winner ofBritish Petroleum sInventionof the YearAward.

7 2001 View ofinsidecontentView ofinsidecontentFilter SFI s flowmonitoring andfield conditionstest center All SkoFlo valves tested to100% flow capacity atworking Pressure ratings. Temperature controlled flowcalibration can be done withactual field chemical. Component Helium leaktesting. All instruments traceableto offers complete environmental extremes testing Including: Shock and Vibration. ATM tests to 6000 psi (413 bar) -13,300 ft (4053m). Docking tests under injection Pressure . Temperature, injection and supply Pressure tested to 15,000psi (1035 bar) and -60oF to 195oF (-51C to 90C).

8 Externalpressure can be simulated to 6,000 psi (414 bar).6 :(425) 485-7816 USAS crew Type Injection ValvesFEATURESkoFloTrue Pressure independent CONSTANT flow?YesNoSet it and forget it! Self-compensating flow control?YesNoDoes valve have to be reset for changes in Pressure ?NoYesLow power requirements?YesNoMaintains desired flow rate during power/communications loss?YesNoCalibrated orifice flow measurement / True flow meter?YesNoLarger internal passages for greater clogging resistance?YesNoResists small passageway film build up?YesNoPeriodic cycling to keep passageways clear?

9 NoYesCan debris seize valve adjustment?NoYesWear resistant ceramic metering orifice?YesNoAdjustment threads in contact with chemical?NoYesDoes the chemical s filming action cause a flow change?NoYesIndependently verified flow rate accuracy for 3-month trial?YesNoInternals resist corrosion from all industry standard chemicals?YesNoLowest maintenance costs and best operational value?YesNoFailsafe Design? (Flow stays constant if motor fails)YesNo7 Can only estimate actual flow. If threads are filmed or dirty, Cvis not as assumed. Result? Non-accurate chemicalinjection rate.

10 A " ( ) of film canresult in a flow loss of 5% in lowflow systems! Requires constant stem ditheringTo maintain flow causingincreased wear and reduced gearmotor alongflow path -not acalibratedorificeLong, narrow flow path proneto filming and cloggingSmall areas proneto film cloggingand jamming bydebris Website: : (425) 485-7816 USANote: Dimensions are approximate. Contact factory for specific dimensions as designs are subject to Industries, Box 1728, Woodinville, WA 98072 USAP hone: (425) 485-7816 Fax: (425) 486-5672 ofSkoFloSubsea ValvesDimensions in Inches [mm]Subsea Docking ReceptacleSubsea Template Mount Valve,Approximate Weight 40lbs (18 Kg)ROV Retrievable Subsea Valve Docked in a ReceptacleROV Retrievable Subsea Valve Canister, Approximate Weight 150lbs (68 Kg)44 [1114mm]31 [784mm]17 [432mm]13 [330mm]14 [356mm]42 [1063mm]10 [260mm]28 [699mm]6 [156mm]3 [89mm]More Technical Information Available at Information:Class 3 or 4 Latch withAPI 17D Bucket