Duplex Pressure Powered Pump Packaged Unit
Contents
1. h 1950 Figure 2 Detail of Duplex Pressure Powered Pump Package Unit Sr No Part Material Standard 1 Shell assembly Carbon stee 2 Receiver assembly Carbon stee IS 3589 Class C 3 Vent connection Carbon stee DN 80 flanged ANSI 150 4 Steam inlet line Carbon stee IS1239 Class C 5 DN 20 Strainer Cast iron IS 210 FG 260 6 DN 15 Piston valve Carbon stee 7 DN 20 Piston valve Carbon stee 8 DN 20 FMTD64 trap SS 9 DN 80 Check valve SS 10 DN 50 check valve assembly SS for cond outlet line 11 DN 80 butterfly SG iron valve flangedASA 150 12 DN 80 Strainer Cast iron IS 210 RG 260 13 Condensate inlet Carbon steel IS 1239 ClassC 14 Cover plate assembly Cast steel 15 Drain Carbon steel IS1239 Class C 16 Overflow line Carbon steel IS 1239 Class C 17 Exhaust line Carbon steel IS 1239 Class C COVER ASSEMBLY DETAILS Operating Pressure Inlet Exhaust Outlet t ZS E Ee 14 E cod WA Figure 3 Mechanism detail of PPPPU D 4 Forbes i Marshall Trusted Partners Innovative Solutions Material Sr No Description Material Standard 1 Cover Cast Iron IS 210 Gr FG 260 2 Cover Gasket Synthetic2. A d Installation and Maintenance Manual f Falera Trusted Partners Innovative Solutions Duplex Pressure Powered Pump Package Unit with CRM485R and IJ PPPPU D Energy Conservation Environment Process Efficiency www forbesmarshall com Forbes Marshall Forbes Marshall Arca Codel International Krohne Marshall Forbes Solar Forbes Vyncke Forbes Marshall Steam Systems 4 Forbes i Marshall Trusted Partners Innovative Solutions Table of Contents i PO EE 1 2 Important Safety Notes EE 1 3 Brief Product INfOrmMation sa dacsc2 cdeesexcnassinenseddvinses aggrAse 3 4 Product Working Principle ugeet 9 5 Installation Guidelines E 10 6 Startup and COMMISSIONING ege gab E eege entAresd 12 7 KEREN ee Ile e 13 8 DOSEN eege eegener e 17 g Available Spares sesining aai 19 10 Warranty Period EE 20 PLEASE NOTE Throughout this manual this cautionary symbol is used to describe a potential damage or injury that might occur if the safety considerations are overlooked This symbol denotes CAUTION WARNING or DANGER 4 Forbes i Marshall Trusted Partners Innovative Solutions Preface This manual is intended for anyone using commissioning servicing or disposing the below mentioned products safely and efficiently Duplex Pressure Powered Pump Package Unit with CRM485R and IJ PPPPU D Size DN80 3 PLEASE NOTE Throughout this manual the following cautionary symbol is
3. a Pump under sized capacity table Install additional pump as required b Inlet strainer partially choked b Clean the strainer Ensure all valves are fully open c Motive line strainer partially c Clean the strainer and ensure inlet choked valve is fully open ET E d Check the steam trap installed after b NOIN PUMP the Flash Vessel or process traps if receiver and receiver is i f there is no Flash Vessel for leakage pressurized ES and rectify it DE e Make sure that receiver is vented to Pump e Receiver vent line is closed d atmosphere as recommended working continuously overflows f Check motive pressure setting and f Insufficient motive pressure to achieve rated capacity g Outlet check valve stuck open or leaking maximum back pressure during operation Compare with capacity table and increase motive pressure as required g Open the check valve and clean it or replace it if found damaged h Motive isolation valve partially closed h Check and ensure that motive isolation valve is fully open i Condensate return line size lesser than pump discharge i Condensate return line size should be equal to or greater than pump discharge line 18 4 Forbes i Marshall Trusted Partners Innovative Solutions D Available Spares Refer to Figure 8 Figure 8 A
4. 60 70 80 90 1 04 1 06 1 08 1 10 1 12 1 15 1 18 1 23 1 28 Example Condensate Load 6000kg hr Steam Air pressure available for operating pump 5 0 Bar g Vertical lift from pump to return piping 9m Pressure in return piping piping friction negligible 1 72 Barg Filling head on pump 0 3048 mtr Solution 1 In duplex unit condensate load on each pump 3000kg hr 2 Calculate h the total lift or back pressure against which the condensate must be pumped 9mx0 1 1 72 2 62 bar g 3 From capacity table with 5 0 bar g operating Inlet pressure and 3 0 bar g back pressure each pump has capacity of 3070 kg hr 4 From this the duplex unit handles condensate load 6140 kg hr for given operating conditions Note from capacity factor charts Pump capacity if filling head is 0 610 mtr 1 2 x1725 2070 kg hr 4 Forbes Marshall Trusted Partners Innovative Solutions D Product Working Principle Note For this section refer to Figure 2 A PPPPU D unit consists of a receiver 2 Inlet Isolation valve 11 Strainer 12 a body shell 1 containing a float mechanism which operates a set of motive steam air inlet 4 and exhaust line 17 and check valves inlet 9 amp outlet 10 The steam or air is used as motive media to operate the pump Condensate comes into the pump receiver 2 from Flash Vessel or plant con
5. in to operation please ensure that the entire condensate piping circuit is thoroughly flushed 6 1 Flushing Procedure in the presence of a Forbes Marshall Flash Vessel Refer Fig 7 1 Open the Forbes Marshall Flash Vessel drain line and allow the process condensate to flow through the drain till all the foreign particles amp contaminated condensate is flushed out and we see clean condensate coming out Flash Steam t Outlet Condensate Intlet gt Condensate Outlet Line Figure 7 Flushing procedure of Forbes Marshall Flash Vessel 6 2 Flushing Procedure in the absence of a Forbes Marshall Flash Vessel Refer Fig 2 1 Wherever process condensate is directly connected to pump receiver amp FM Flash Vessel module is not part of Duplex Pressure Powered Pump Package Unit open the pump condensate strainer cap 5 amp screen to flush the foreign particles and contaminated condensate Similarly motive steam airline 4 should also be flushed by removing strainer cap amp screen until we see clean motive media coming out 2 Once flushing of condensate and motive line is completed open the motive line isolation valve 7 and ensure that the motive media pressure should not exceed as mentioned on the pump nameplate 3 Makesure that the motive line drain trap 8 is operational 4 Open the pump condensate isolation valve 11 and allow the condensate to flow to the pump receiver 2 and subsequent
6. used to describe a potential damage or injury that might occur if the safety considerations are overlooked Important Safety Notes Read this section carefully before installing operating maintaining the product The precautions listed in this manual are provided for personnel and equipment safety Furthermore Forbes Marshall accepts no responsibility for accidents or damage occurring as a result of failure to observe these precautions Note that the product is designed to perform for non contaminated fluids only A contamination in the form of chemical foreign particle etc can lead to problem with product performance and life of the product If these products in compliance with the operating instructions are properly installed commissioned maintained and installed by qualified personnel refer Section 2 7 the safety operations of these products can be guaranteed General instructions for proper use of tools and safety of equipments pipeline and plant construction must also be complied with 2 1 Intended use Check if the product is suitable for intended use application by referring to the installation and maintenance instructions name plates and technical information sheets i The product is suitable for use as defined in the technical information sheet In case the need arises to use the product on any other fluid please contact Forbes Marshall for assistance ii Check for the suitability in conformance to the limiting co
7. Fibre 3 Stud and Nut M 12 Cast Steel 4 Inlet Valve Seat Stainless Steel Type 304 ASTM A 276 5 Inlet Valve Stem Stainless Steel Type 304 ASTM A 276 6 Inlet Valve Head Stainless Stee 7 Inlet Seat Gasket Copper 8 Exhaust Valve Stainless Steel Type 304 ASTM A 276 9 a Exhaust Valve Stainless Steel Type 304 ASTM A 276 9 b Exhaust Valve Head Stainless Steel Type 304 ASTM A 276 10 Exhaust Seat Gasket Copper 11 Valve Actuator Disc Stainless Steel Type 304 ASTM A 276 12 Push Rod Stainless Steel Type 304 ASTM A 240 13 echanism Cast lron IS 210 FG 260 14 Mechanism Studs M12 Stainless Stee IS 1364 15 Body Cast Steel IS 2062 16 Float Stainless Steel Type 304 ASTM A 240 17 Linage Mechanism Stainless Stee ASTM A 351 CF 8 18 Push Rod Actuator Stainless Stee ASTM A 351 CF 8 19 Spring Inconel 20 Plug 1 2 BSPT Forged Carbon Steel ASTM A 105 21 Check Valve Stainless Stee 22 Flow temp Sensor Stainless Stee 23 Sensor Float Stainless Steel Type 304 ASTM A 240 4 Forbes i Marshall Trusted Partners Innovative Solutions 3 4 Operating Range rr rT Steam saturation curve Temperature C 3 6 8 7 Pressure bar g 3 5 Standard Accessories 3 6 Condensate recovery meter 485 CRM485R Insulation Jacket IJ PPPPU D How to Select and Size From the inlet pressure back pressure and filling head conditions given below select the pump size which meets the capacity
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9. angement if condensate flashing is expected when exposed to atmosphere Connect the condensate line coming from plant to the flash vessel inlet port Install strainer 1 single orifice float trap 2 and view glass 3 after the flash vessel and connect condensate outlet line to the pump receiver 6 Install the safety relief valve 4 and pressure gauge 5 at respective locations provided on the flash vessel Ensure that the pump receiver inlet is at a lower level than the condensate outlet line of flash vessel so the condensate travels by gravity to the pump receiver Vent line C should be piped unrestricted to safe location in the atmosphere Connect the motive steam or compressed airline 7 to the motive supply inlet A pressure gauge 8 is supplied loose along with the pump Install the same on motive line syphon Condensate discharge line B of pump should be routed to the boiler feed water tank and connect the same to the condensate nozzle of de aerator head Flash Steam Condensate Inlet ke Figure 4 Installation of FM Flash Vessel and PPPPU D 4 Forbes i Marshall Trusted Partners Innovative Solutions 5 1 Care to be taken while routing the condensate pump discharge line Refer to Fig 5 1 The line size should be equal to or more than pump outlet flange size provided with pump 2 As far as possible the discharge line should have minimum bends Ideally the condensate pump discharge line should b
10. cts Permits to work All work to be carried out under supervision of a competent person Training should be imparted to operating personnel on correct usage of product as per Installation and Maintenance instruction Permit to work to be complied with wherever applicable in case of absence of this system a responsible person should have complete information and knowledge on what work is going on and where required arrange to have an assistant with his primary goal and responsibility being safety Warning Notices should be posted wherever necessary Handling There is a risk of injury if heavy products are handled manually Analyze the risk and use appropriate handling method by taking into consideration the task individual the working environment and the load Freezing Provision should be made to protect systems which are not self draining against frost damage in environment where they may be exposed to temperatures below freezing point tobe made Returning products Customers and Stockist are reminded that when returning products to Forbes Marshall they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health safety or environmental risk This information must be provided in writing including Health and Safety data sheets relating to any substances identified as hazardous or potentially hazardous 3 Brief Product Informa
11. densate header and is allowed to flow in to the pump body 1 having float mechanism by opening the inlet isolation valve 11 Note For this section refer to Figure 3 In the normal position before startup the float is at the lowest position with the motive steam air valve 5 closed and the exhaust valve open 9A When condensate flows by gravity through inlet check valve in to pump body 15 the float 16 will rise along with the level of condensate As the float 16 continues to rise the mechanism link 17 is engaged which increases tension in the springs 19 When the float 16 has risen to its upper tripping position the linkage mechanism 17 snaps upward over center The energy in the springs 19 is released as the push rod 18 is moved upward to simultaneously open the motive steam inlet valve 5 and close the exhaust valve 9A Steam flow through the inlet valve 5 increases the pressure within the body and closes the inlet check valve The increased pressure in the body shell 15 exceeds the back pressure in the condensate discharge line and opens the discharge check valve 21 to pump out the condensate in the discharge line As the condensate level in the pump body 15 falls the float 16 is lowered and mechanism link 17 is engaged which again increases the tension in the springs 19 When the float 16 reaches the lower tripping position the linkage mechanism 17 snaps downward over center The energy in the
12. e lifted immediately after the pump to the maximum elevation in the circuit and then to be connected to feed water tank with a downward slope This ensures minimum backpressure on the pump Condensate Feedpump Figure 5 Routing the condensate line to the Feed Water Tank 5 2 In case more than one condensate pump is connected to a common Condensate line Refer to Figure 6 1 Make sure that NRV supplied with pump is installed with flow direction towards FWT 2 If more than one pump discharge lines are to be connected to a common condensate line please ensure that the individual line is connected from the top with a non return valve The common condensate line should be sized to take care of connected condensate load of all the pumps CONDENSATE HEADER PUMP 1 PUMP 2 NRV SIZE EQUAL TO PUMP OUTLET SIZE Figure 6 More than one pump connected to common condensate line 11 4 Forbes i Marshall Trusted Partners Innovative Solutions D Startup and Commissioning 12 It is recommended to install Forbes Marshall PPPPU D along with a FM Flash Vessel arrangement for all condensate pressure higher than atmosphere pressure For trouble free operation of Duplex Pressure Powered Pump Package Unit it is important that the single orifice float trap internals pump internals amp check valves are not subjected to dirt or other hard particles Therefore prior to bringing the Duplex Pressure Powered Pump Package Unit
13. ible Cause a Motive steam supply closed Remedy a Open valves to supply motive steam pressure to condensate in the pump shell b Motive line strainer chocked c Condensate inlet line closed d Condensate line strainer chocked b Clean the strainer c Open condensate inlet valve and allow condensate to flow in pumping chamber d Clean the strainer e Condensate discharge line closed f Motive pressure insufficient to overcome back pressure e Open all discharge line valves to allow free discharge from pump to destination f Check motive and back pressure Adjust motive pressure to 2barg more than total back pressure g Float punctured g Replace the float h Check the direction of the Check Valve h Correct it if found wrong i Steam coming out continuously from exhaust line i It means motive steam inlet valve is leaking open the internals and clean the inlet valve Replace it if found damaged j Exhaust valve leaking j Open the pump internals and clean it Also check the setting of valve actuator disc and correct it if found disturbed 17 4 Forbes i Marshall Trusted Partners Innovative Solutions Failure Mode Possible Cause Remedy Pump working overflows a Check inlet Check Valve a Lap the seat and if the problem persists replace Check Valve only during discharge a Verify the rated capacity as per the
14. let Exhaust valve leakage testing DCV Cleaning Operate motive line valve Operate Condensate inlet valve Lubrication of piston valves Checking of flash steam pressure in Flash Vessel Cleaning of motive line trap internals Cleaning of steam trap internals Visual inspection for leakages Arresting leaks Checking of float trap SLR setting Cleaning of strainer between Forbes Marshall Flash Vessel and pump Check air quality in case motive media is air Visual inspection of Safety relief valve Y a Y Y Y Y Y Y a Pr Gauge calibration Checking of PPPPU D motive pressure Y Y Y Y eet Y cee Y Overhauling and cleaning of safety relief valve 13 7 2 Tool Kit 4 Forbes i Marshall Trusted Partners Innovative Solutions To carry out any maintenance of the PPPPU D use the tools mentioned in the table below Size Component Tool used and Size Motive inlet and exhaust Valve Open Spanner 26 mm A F Float Mechanism Open Spanner 19 mm A F Push Rod and Lock Nut Open Spanner 17 mm A F DN 80 Internal Mechanism Assembly Bush assembly and stop bolt Box Spanner 13 mm A F Stopper bracket bolt Box spanner 8 mm A F Float Arm Bolt Open Spanner 10 mm A F For Split Pin Assembly Nose Plier E SC assembly 4 No M6 studs M6 X Ring spanner 10 mm A F DN 80 External Assembly nternal assembly cover M12 X 50 Open span
15. ly to pumping chamber 1 5 Now the pump shall operate as described in section 4 6 Steam or air utilized for pumping is released with an audible exhaust at the end of each pumping cycle Observe the condensate return line pressure amp ensure that the motive pressure is at least 1 5 to 2 bar g more than the back pressure 4 Forbes i Marshall Trusted Partners Innovative Solutions Maintenance Guidelines Before undertaking any maintenance on the product it must be isolated from both supply line and return line and any pressure should be allowed to safely normalize to atmosphere The product should then be allowed to cool With suitable isolation repairs can be carried out with the product in the line PPPPU D units are designed for trouble free operation In normal course of action maintenance is not required provided certain care of the system is taken 7 1 Routine and Preventive Maintenance Please refer to the maintenance schedule mentioned in the table below to undertake routine maintenance of the Duplex Pressure Powered Pump Package Unit NO PARAMETERS TO BE CHECKED FREQUENCY FOR CHECKING VARIOUS PARAMETERS Duplex Pressure Powered Pump Package Unit n Forbes Marshall Flash Vessel Daily Weekly Monthly Quarterly Annually Clean strainer of motive media line Clean condensate inlet strainer Visual inspection and cleaning of complete set of internals Condensate pump chamber draining In
16. nditions specified in technical information sheet of the product iii The correct installation and direction of fluid flow has to be determined iv Forbes Marshall products are not intended to resist external stresses hence necessary precautions to be taken to minimize the same 2 2 Accessibility and Lighting Safe accessibility and working conditions are to be ensured prior to working on the product 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 4 Forbes Marshall Trusted Partners Innovative Solutions Hazardous environment and media The product has to be protected from hazardous environment and check to ensure that no hazardous liquids or gases pass through the product Depressurizing of systems and normalizing of temperature Ensure isolation and safety venting of any pressure to the atmospheric pressure Even if the pressure gauge indicates zero do not make an assumption that the system has been depressurized To avoid danger of burns allow temperature to normalize after isolation Tools and consumables Ensure you have appropriate tools and or consumables available before starting the work Use of original Forbes Marshall replacement parts is recommended Protective clothing Consider for the requirement of any protective clothing for you or others in the vicinity for protection against hazards of temperature high or low chemicals radiation dangers to eyes and face noise and falling obje
17. ner 18 19 mm A F otive inlet and exhaust hose pipe connection Pipe wrench Butterfly valve M16 X 120mm Box spanner 24 mm A F Condensate inlet connection rainer assembly M16 X 70mm Box spanner 24 mm A F DN 80 isc check valve M16 X 130mm Box spanner 24 mm A F Condensate return Disc check valve M16 X 130mm Box spanner 24 mm A F connection 14 7 3 Maintenance Replacement Procedure Refer to Figure 3 For a detai to the instructions given in the subsequent sections 7 3 1 ed maintenance replacement procedure of the pump body internals please refer Procedure to Maintain Replace the whole PPPPU D internal assembly Before carrying out any maintenance remove all the connections to the pump cover 1 Isolate the pump body by closing the inlet isolation butterfly valve 2 Unscrew all eight nuts 3 present on the cover 1 and lift the cover and internal mechanism assembly from the pump body 15 3 Remove the assembly nuts to free the whole assembly from the cover 4 Remove the old gasket 2 and clean the gasket area If required replace with anew one 5 Insert the whole assembly back inside the pump body 15 Tighten the cover nuts 3 4 Forbes Marshall Trusted Partners Innovative Solutions 7 3 2 Procedure to Maintain Replace float assembly 1 Before carrying out any maintenance remove all the connections to the pump cover 1 Isolate the pump body by closing the i
18. nlet isolation butterfly valve 2 Unscrew all eight nuts 3 present on the cover 1 and lift the cover and internal mechanism assembly from the pump body 15 3 Arrange the whole assembly onto the vice such that the internals are placed on top and clamp the cover 4 Unscrew the float 16 from the float arm using appropriate spanner 5 Screw the new float using Loctite 272 adhesive onto the threads 6 Insert the whole assembly inside the pump body and screw the nuts 7 3 3 Procedure to Maintain Replace Exhaust valve seat and head assembly 1 Unscrew all eight nuts 3 present on the cover 1 and lift the cover and mechanism assembly from the pump body 15 2 Arrange the whole assembly onto the vice such that the internals are placed on top and clamp the cover 3 Remove the assembly nuts to free the whole assembly from the cover 4 If required remove the old gasket 2 and clean the gasket area before replacing with anew one Unscrew the Exhaust valve head 9B Clean the metal gasket and replace if required it the exhaust valve head and seat N F e Oo EE ow fit the PPPPU D internal assembly onto the cover Carefully engage the xhaust valve onto the actuator disc 11 and screw the nuts 9 Unclamp the cover and insert the whole assembly back inside the pump body While reinstalling the cover 10 Tighten the cover nuts 3 15 16 7 3 4 7 3 5 4 Forbes i Marshall Trusted Partne
19. requirements of the applications Select optional extras as required Back pressure is the lift height H in mts x 0 1 plus bar g in return line plus downstream piping friction pressure drop in bar g at the lesser of six times the actual flow rate or 340 lit min 3 7 Capacity of each pump kg hr Ad A Forbes Marshall Trusted Partners Innovative Solutions When installed with recommended filling head above top of pump 305 mm For liquid specific gravity 0 9 to 1 MOTIVE STEAM MOTIVE AIR Pressure bar g Capacity Pressure bar g Capacity Motive Back Kg hr Motive Back Kg hr 8 7 0 20710 6 0 19290 1 12330 i 15850 2 10180 2 13420 3 7850 4 6990 3 11530 8 0 20490 4 9620 1 11660 5 0 19210 2 9110 1 15400 3 7540 2 12920 4 5900 7 0 20270 S 110339 1 11090 4 0 19110 2 8880 0 5 16850 3 7030 1 15100 4 5710 2 12210 6 0 19760 1 10420 3 0 19000 J 8580 0 5 16170 3 6850 1 14170 4 5440 5 0 19210 1 10100 2 8280 3 6140 4 0 18350 0 5 10880 1 8920 2 6430 3 0 16180 0 5 9410 1 7350 4 Forbes i Marshall Trusted Partners Innovative Solutions 3 8 Capacity Multiplying Factors for Other Filling Heads 3 9 Filling Head mm DN 80 152 0 84 305 10 610 1 08 914 1 20 Capacity multiplying factors for motive gas supplies other than steam Back Pressure VS Motive Pressure BP MP 10 20 30 40 50
20. rs Innovative Solutions Procedure to Maintain Replace Inlet valve seat and head assembly 1 7 E ee a Follow steps 1 through to 4 of section 7 3 3 Unscrew the Inlet valve head 6 Clean the metal gasket and replace if required Fit the inlet valve head and seat Now fit the PPPPU D internal assembly onto the cover 1 Carefully engage the exhaust valve 9A onto the actuator disc 11 and screw the nuts Unclamp the cover and insert the whole assembly back inside the pump body 15 While reinstalling the cover Tighten the cover nuts 3 Procedure to Maintain Replace the springs 1 Y E DI ON UT es 9 Unscrew all eight nuts 3 present on the cover 1 and lift the cover and mechanism assembly from the pump body 15 Arrange the whole assembly onto the vice such that the internals are placed on top and clamp the cover Remove the split pins Remove the washer and the springs 19 from the linkage mechanism 17 Clean the springs 19 and replace if required Put the washer and split pins back Insert the whole assembly back inside the pump body 15 Tighten the cover nuts 3 D Troubleshooting 4 Forbes i Marshall Trusted Partners Innovative Solutions If the expected performance is unachievable after the installation of the Duplex Pressure Powered Pump Package Unit check the following points for appropriate corrective measures Failure Mode Pump stops working Poss
21. springs 19 is released as the push rod 18 is moved downward to simultaneously open the exhaust valve 9A and close the steam inlet valve 5 Steam air utilized for pumping the condensate gets released to through exhaust valve and this completes one pumping stroke When the pressure in the pump body 15 has fallen below the pressure in the inlet pipe the inlet check valve opens Condensate will again flow through the check valve to fill the body and begin next cycle 4 Forbes i Marshall Trusted Partners Innovative Solutions D Installation Guidelines Note Before implementing any installations observe the Important Safety notes in section 2 Referring to the Installation and Maintenance Instructions name plate and 10 Technical Information Sheet check that the product is suitable for the intended installation Note For this section refer to Figure 4 1 Ensure that there is no damage in transit Before installation is done ensure that all steam air or gas lines are closed Select correct pipeline sizes as per the pump and connections are available Level the unit by level bottle The reservoir has 3 ports two of them should be connected for condensate inlet A and third is used for vent line Most important is that reservoir must be vented to atmosphere This is to ensure free flow of condensate under gravity to the pump It is recommended to install PPPPU along with a Forbes Marshall Flash vessel arr
22. tion 3 1 Description 4P Forbes i Marshall Trusted Partners Innovative Solutions The Forbes Marshall Duplex Pressure Powered Pump Package Unit PPPPU D is a duplex positive displacement pump unit operated by steam compressed air or pressurized gas The unit is specifically designed to pump hot condensate and liquids of specific gravity 1 0 down to 0 9 Figure 1 Duplex Pressure Powered Pump Package Unit 3 2 Sizes and End Connections 3 3 Size DN 80 Model Cond Inlet DN Cond Outlet DN Vent DN PPPPU D 80 50 80 Condensate inlet vent flanged to ANSI Class 150 et use flange provided with PPPPU D Limiting Conditions Condensate out PMA Maximum design pressure 8 7 bar g TMA Maximum design temperature 220 C Operating inlet motive pressure Steam compressed air pressurised gas 3 7 bar g max Pump discharge per cycle 30 kg Steam consumption 3 kg of steam per 1000 kg condensate pumped Air consumption 22 SCF per 1000 Kg condensate pumped Minimum operating temperature DC Note For lower operating temperatures consult Forbes Marshall 1000 J ON MOTIVE LINE BC CONDENSATE INLET 1420 4 Forbes i Marshall Trusted Partners Innovative Solutions 1270 ANY ONE OF THREE IS VENT
23. vailable Spares for PPPPU D SPARES PART NO SPARE CODES SPARE KIT FOR PPPPU D INTERNALS 10 2001086 SPARE KIT FOR GASKET SET SET OF 5 1 2 3 2001087 SPARE KIT FOR PPPPU D INLET VALVE SEAT AND HEAD P ASSEMBLY 4 5 S2001088 SPARE KIT FOR PPPPU D EXHAUST VALVE SEAT AND HEAD F ASSEMBLY 6 7 S2001089 FLOAT ASSEMBLY 8 S2001030 SPARE KIT FOR PPPPU D SPRING ASSEMBLY SET OF 2 9 S2001046 How to Order Example DN 80 Duplex Pressure Powered Pump Package Unit PPPPU D How to Order Spares Always order spares by using the description given in the column headed Available Spares in user manual for this product 19 4 Forbes i Marshall Trusted Partners Innovative Solutions 10 Warranty Period As per the ordering information and agreement in the contract 20 4 Forbes i Marshall Trusted Partners Innovative Solutions 21 OW LA A Ndddd NM S LPO SSN 200 JUBLUNDOD SIU JO s ua4U02 y Jo Aue Jo UO eDI dde 10 asn ay Jo AjauIpUL 10 p a2u nb suo e se PAaJINIUI asian 10 eUOSJad ee 10 Soss s j qer Aue wiepsip Ajjeryinads pue suoissiwWo 10 saleiN gt DeU 10 Ayi iqisuodsal ou auunsse sajuedwo gt dno19 pue sagt sajepossy SaveIpIsqns S JO WI dou ynoyy m auey o palqns s JUaWNIOD sit u UOEUOJU ay GALISIHOUd SI NOISSINY3d ND LUNA HOI LAOH LIMIYNSO1ISIC YO NOILNIYLSIG NOLLINGOYdIY ANY SLHOIY ALYIdOYd TWALDITISLNI JHL Y3GNN NOILDJLOYd ONIAVH ANY 29 AVI ISV JHL SY CAdSSIN4 CIL
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