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Page 13

Edwards and the Edwards logo are trademarks of Edwards Limited.

Technical data

A705-40-880 Issue B

2.11

Connections

Table 11 - Connections

Pump-inlet connection

EDP80

50 Hz 60 Hz 2 inch ANSI 150 lbf raised face flange

EDP160, EDP250, EDP400

50 Hz 60 Hz 3 inch ANSI 150 lbf raised face flange

Pump-outlet connection

EDP80, EDP160

50 Hz 60 Hz 1.5 inch ANSI 150 lbf raised face flange

EDP250, EDP400

50 Hz 60 Hz 2 inch ANSI 150 lbf raised face flange

Recommended pump-inlet and pump-outlet seals

PTFE envelope gaskets: ‘KLINGER’ milled type
with a 1.5 mm full-face insert

Shaft-seals purge nitrogen inlet

1/4 inch compression fitting

Cooling-water supply

Inlet

50 Hz

1/2 inch BSP female

Outlet

50 Hz

1/2 inch BSP female

Inlet

60 Hz

1/2 inch NPT female

Outlet

60 Hz

1/2 inch NPT female

Middle-stage and gas-ballast purge port fittings
type

EDP80

1/4 inch BSP

EDP160, EDP250, EDP400

1/2 inch BSP

Содержание A705-41-000

Страница 1: ...struction manual you will receive will define the build specification of your pump that is the type of motor and any ordering options and accessories fitted You will also receive a motor instruction m...

Страница 2: ...onformity with the following standard s or other normative document s Compressors EN1012 2 1996 A1 2009 Compressors and Vacuum Pumps Safety Requirements Vacuum Pumps EN13463 1 2009 Non electrical equi...

Страница 3: ...2 5 Shaft seals purge nitrogen supply data 10 2 6 Temperature control system 11 2 7 Cooling water data 11 2 8 Coolant type 12 2 9 Lubrication data 12 2 10 Noise data 12 2 11 Connections 13 2 12 Mater...

Страница 4: ...il level sight glasses 40 5 9 Relubricate inspect the rotor bearings 42 5 9 1 Introduction 42 5 9 2 Remove the bearing cover and bearing caps 43 5 9 3 Clean inspect and relubricate the rotor bearings...

Страница 5: ...nance kits 73 7 4 Accessories 73 7 5 Ordering options 73 Index 75 For return of equipment complete the HS Forms at the end of this manual Illustrations Figure Page 1 The EDP pump sheet 1 of 2 5 2 EDP...

Страница 6: ...upply data 10 6 Temperature control system data 11 7 Cooling water data 11 8 Possible alternative coolants 12 9 Lubrication data 12 10 Noise data 12 11 Connections 13 12 Materials of construction 16 1...

Страница 7: ...mperial and US units of measurement 1 2 The EDP pumps Note The EDP pumps can be used as components in ATEX certified systems As components the EDP pumps are not assigned ATEX qualification The EDP pum...

Страница 8: ...pipe 20 As the temperature of the pump body increases and the coolant expands excess coolant may be forced out of this pipe This pipe is coiled up for delivery purposes On installation it should be r...

Страница 9: ...eam The basic EDP80 and EDP160 pumps have a drive coupling however you can order these pumps to be supplied with a torque limiter fitted refer to Section 1 11 Refer to Section 1 6 2 for a description...

Страница 10: ...u can remove these covers to reset the torque limiter and recouple the pump motor to the pump refer to Section 4 4 The coupling hub used in the torque limiter see Figure 14 is identical to those used...

Страница 11: ...olt 6 Frame 7 TCV thermostatic control valve 8 Services panel 9 Fixing hole 10 Direction of rotation arrow 11 Frame lower cross member EDP250 EDP400 only 12 Pump motor 13 End of coolant overflow pipe...

Страница 12: ...marks of Edwards Limited Introduction Figure 1 The EDP pump sheet 2 of 2 20 Coolant overflow pipe 21 Bleed plug EDP80 EDP160 only 22 Heat exchanger 23 Pump motor terminal box 24 Frame lower cross memb...

Страница 13: ...rdous Area classification in which your system is certified to operate 1 10 Accessories A number of accessories are available for the EDP pumps use these to configure the pump for specific application...

Страница 14: ...atures below the defined temperature rating Operation such that the pump inlet temperature falls below the dew point of a flammable vapour being pumped This could lead to condensate that can collect a...

Страница 15: ...location Warm up time To a pump operating temperature of 55 C 60 min EDP80 45 min EDP160 250 400 Cool down time To a safe temperature for maintenance 3 h Table 2 Performance data EDP80 EDP160 EDP250...

Страница 16: ...870 1920 kg lb 798 1759 Coolant capacity l US gal 12 5 3 3 12 5 3 3 15 4 15 4 15 9 4 2 15 9 4 2 16 8 4 44 17 41 4 6 Cleaning solution see Section 5 11 l US gal 5 13 5 1 3 7 1 8 7 1 8 8 5 2 25 8 5 2 2...

Страница 17: ...ting temperature range 50 to 100 C 120 to 212 F Contact rating Maximum voltage 240 V Maximum current inductive load 5 A inductive 12 V resistive Table 7 Cooling water data Supply temperature range 5 t...

Страница 18: ...suitable for use in the EDP pumps All of these coolants are amine free automotive grade ethylene glycol antifreezes and must be diluted to between 35 to 50 by volume with water to provide the required...

Страница 19: ...0 EDP160 50 Hz 60 Hz 1 5 inch ANSI 150 lbf raised face flange EDP250 EDP400 50 Hz 60 Hz 2 inch ANSI 150 lbf raised face flange Recommended pump inlet and pump outlet seals PTFE envelope gaskets KLINGE...

Страница 20: ...rds and the Edwards logo are trademarks of Edwards Limited Technical data Figure 2 EDP pump dimensions mm sheet 1 of 2 1 Pump inlet 2 Pump outlet 3 Fixing hole 18 mm 4 off 4 Cooling water outlet conne...

Страница 21: ...A705 40 880 Issue B Figure 2 EDP pump dimensions mm sheet 2 of 2 Key EDP80 EDP160 EDP250 EDP400 50 Hz EDP400 60 Hz A 1423 1458 1681 1730 1721 B 1254 1289 1514 1562 1549 C 974 974 1148 1148 1149 D 353...

Страница 22: ...nt Materials Stator Rotor Heat exchanger housing Cast iron Shafts Steel Gears Bearing housing Steel Shaft sleeves Throwers Valve body Valve seat Valve pad Sleeves Steel Shims Stainless steel Piston ri...

Страница 23: ...ances that may attack or react with the materials of construction of the pump refer to Section 2 12 there may be a risk of a leak or of contamination of the pump oil or of a loss of pump performance I...

Страница 24: ...tion 7 3 1 Refer to Figure 3 detail A Press down the coolant filler cap 1 turn it anticlockwise and remove it from the pump 2 Refer to Figure 3 detail A Remove any dirt or water scale from the seal of...

Страница 25: ...f Edwards Limited Installation A705 40 880 Issue B Figure 3 Fill the pump with coolant A Remove the coolant filler cap B Cross section of filler tube 1 Coolant filler cap 2 Coolant drain plug 3 Coolan...

Страница 26: ...heck that the gearbox oil level is correct Refer to Figure 1 for the locations of the two oil level sight glasses on the pump The oil level must be between the MIN and MAX marks on the bezel of either...

Страница 27: ...nsor fitted a temperature transmitter or a thermal snap switch If your pump is part of an ATEX system it will be supplied fitted with a temperature transmitter If your pump is not part of an ATEX syst...

Страница 28: ...ff the pump if it is too hot The thermal snap switch will reset that is close again when the pump cools down to a preset temperature see Section 2 6 We therefore recommend that your control equipment...

Страница 29: ...arrow on the pump motor Figure 1 item 10 the direction of rotation is incorrect If the direction of rotation is incorrect Isolate the pump from the electrical supply Reverse any two of the electrical...

Страница 30: ...llation Figure 4 Services panel 1 TCV 2 Services panel 3 Compression fitting 4 Water outlet connector 5 Compression fitting 6 Water inlet connector 7 Nitrogen inlet connector 8 Nitrogen pressure gauge...

Страница 31: ...3 9 Connect the shaft seals purge nitrogen supply Use a rigid metal such as stainless steel pipeline with an outside diameter of 1 4 inch for your nitrogen supply We recommend that you install an aut...

Страница 32: ...Resultant X Load orientation Y Load orientation Z Load orientation Maximum force Pump inlet Pump outlet FX 530 N 120 lbf 357 N 80 lbf FY 446 N 100 lbf 290 N 65 lbf FZ 669 N 150 lbf 446 N 100 lbf FR 95...

Страница 33: ...ing speed ensure that the pipeline which connects the process system to the pump is as short as possible and has an internal diameter not less than the pump inlet Use a flexible connection in the pipe...

Страница 34: ...u use bellows which have a maximum pressure rating which is greater than the highest pressure that can be generated in your system 3 11 Leak test the installation Leak test the system after installati...

Страница 35: ...ion manual supplied as appropriate Note that the nominal setting for the control circuit trip temperature is 15 C 59 F above the nominal pump case operating temperature However if the pump is part of...

Страница 36: ...anticlockwise when the pump is hot This will increase the flow of cooling water which may damage the pump because of the differential contraction of the pump rotor and case Note As supplied the TCV is...

Страница 37: ...rotating mechanisms from the exposure to vacuum or from hot exhaust gases On a pump with a torque limiter do not let the pump motor operate for more than 8 hours if the torque limiter has tripped and...

Страница 38: ...condensable vapours If you do not the vapours may condense in the pump and corrode or damage the pump Leave the pump to operate with the inlet isolation valve closed to allow the pump to warm up to i...

Страница 39: ...aminants Use one of the following methods Operate the pump for at least 45 minutes Operate the pump at or close to atmospheric pressure for at least 15 minutes Operate the pump with full inlet purge i...

Страница 41: ...have overheated if it was misused if it malfunctioned or if it was in a fire Edwards Material Safety Data Sheets for the fluorinated materials used in the pump are available on request contact your s...

Страница 42: ...a white colour you must change the oil You may be able to remove the contaminants from the oil by filtration For maximum pump reliability we recommend that you change the gearbox oil when you relubri...

Страница 43: ...3 5 4 Check the shaft seals purge supply 1 Inspect the shaft seals purge gas supply pipelines and connections check that they are not corroded or damaged Replace any pipelines and connections that are...

Страница 44: ...nd the Edwards logo are trademarks of Edwards Limited Maintenance Figure 6 Oil level sight glass and oil filling and draining connections 1 Oil filler port 2 Bonded seal 3 Oil filler plug 4 Oil drain...

Страница 45: ...he following sections to remove inspect and refit the valve 5 7 1 Remove the valve from the pump 1 Refer to Figure 7 Remove the four M8 bolts 11 which secure the retainer 9 to the exhaust manifold 3 2...

Страница 46: ...cannot simply flush the pump with new PFPE oil You must return the pump to an Edwards Service Centre for overhaul and cleaning by qualified Edwards service engineers The change in oil type requires a...

Страница 47: ...ards logo are trademarks of Edwards Limited Maintenance A705 40 880 Issue B Figure 7 Exploded view of the pressure relief valve 1 Hinge bush 2 Valve body 3 Exhaust manifold 4 O ring 5 O ring 6 Valve O...

Страница 48: ...y discoloured flush the gearbox with new or clean oil two or three times until the oil which drains from the gearbox is clean 12 Wipe clean the oil drain plug 4 then fit a new bonded rubber seal 5 13...

Страница 49: ...caps 7 12 and from the top of the bearings Do not use your fingers for this operation 2 Inspect the bearings for obvious signs of wear or the presence of debris If the bearings are worn contact your s...

Страница 50: ...shaft 3 Apply a light wipe of vacuum grease to the new bearing cover O ring 14 and the water jacket O ring 11 then place them in position on the high vacuum head plate 4 Refit the bearing cover 5 to...

Страница 51: ...coolant you use must comply with the requirements of Section 2 4 1 Refer to Figure 3 Wear thermal protective gloves and push down the coolant filler cap 1 and turn it anticlockwise by a 1 4 of a turn...

Страница 52: ...er to recouple the pump motor to the pump until you have finished this procedure If you leave the pump motor decoupled from the pump it will be easier to turn the pump by hand 1 Refer to Figure 1 Remo...

Страница 53: ...otor bearings 1 M6 nuts 2 Bracket 3 Thermal snap switch 4 M6 screws 5 Bearing cover 6 Bearing cap retaining bolt 7 Bearing cap drive shaft 8 Bearing cap O ring 9 Drive rotor shaft 10 Bearing cover O r...

Страница 54: ...rn the pump by hand 1 Refer to Figure 1 Remove the four bolts which secure one of the coupling cover guards 14 and remove the guard 2 If you have a pump inlet isolation valve in your system close the...

Страница 55: ...rt blanking plugs Figure 10 items 4 and 5 to allow the cleaning solution to drain out of the purge port s then refit the plug s to the purge port s 10 If necessary repeat Step 5 to 9 to flush the pump...

Страница 56: ...ted 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Maintenance Figure 10 Flush the pump 1 Pump inlet flange 2 Inlet flush port 3 Pump outlet flange 4 Gas balla...

Страница 57: ...drain plug 7 and allow the cooling water to drain from the heat exchanger 5 12 2 Clean the cooling water filter The location of the water filter is shown in Figure 4 item 10 1 Refer to Figure 11 Undo...

Страница 58: ...ted 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Maintenance Figure 11 Clean the cooling water filter 1 Water filter body 2 Gasket 3 Hex head nut 4 Filter el...

Страница 59: ...d the O ring 10 3 Remove the four bolts 8 which secure the bottom end cap 6 to the heat exchanger and remove the end cap and the O ring 5 4 Use a pipe cleaner which will pass through a 400 mm length o...

Страница 60: ...e retainer 9 to the exhaust manifold 3 2 Place two of the bolts in the jacking holes 10 and tighten the bolts to remove the retainer 9 from the exhaust manifold 3 Remove the O ring 8 valve flap 7 hing...

Страница 61: ...pling cover as shown in detail B 8 Refer to detail B Move the motor change frame 6 up over the studs until the two locating pins 12 fit into the holes 11 from which the two fixing bolts were removed 9...

Страница 62: ...rect screw holes in the coupling hub 5 Fully tighten the grub screws to secure the coupling hub 5 to the motor shaft 6 5 15 6 Remove the torque limiter and fit to the new pump motor pumps with a torqu...

Страница 63: ...rds logo are trademarks of Edwards Limited Maintenance A705 40 880 Issue B Figure 13 Clean the heat exchanger 1 Bolt 2 Cooling water connector 3 Tube stack 4 Heat exchanger 5 O ring 6 Bottom end cap 7...

Страница 64: ...er or drive coupling when you operate the pump 1 Refer to Figure 14 or 15 Undo and remove the four bolts 3 which secure each of the two coupling cover guards 2 and remove the guard from the coupling c...

Страница 65: ...m of the pump frame 4 Carefully slide the pump motor and coupling cover assembly so that it is directly under the pump and so that the pump motor terminal box 9 is directly below the gearbox oil drain...

Страница 66: ...d Maintenance Figure 14 Exploded view of the pump motor torque limiter and coupling cover pumps with a torque limiter 1 Pump gearbox 2 Coupling cover guard 3 Bolt 4 Coupling element 5 Torque limiter 6...

Страница 67: ...0 880 Issue B Figure 15 Exploded view of the pump motor coupling drive and coupling cover pumps without a torque limiter 1 Pump gearbox 2 Coupling cover guard 3 Bolt 4 Coupling element 5 Coupling hub...

Страница 68: ...nce Figure 16 Use the motor change frame to lower the pump motor and coupling cover assembly 1 Stud on pump frame 2 Nut and washer 3 Stud removed from pump frame 4 Baseframe 5 Nut and washer 6 Motor c...

Страница 69: ...the pump 5 16 Fit a replacement service module 5 16 1 Introduction A service module is a basic pump body without the following components fitted pump motor coupling cover coupling hub torque limiter i...

Страница 70: ...our exhaust system 4 Undo and remove the seven bolts which secure the exhaust manifold 11 then remove the manifold from the pump ensure that you do not damage the spigot joint between the manifold and...

Страница 71: ...or dispose of the service module refer to Section 6 2 5 16 4 Inspect the components removed from the service module Inspect the O ring sealing surface on the inlet adaptor on the exhaust manifold and...

Страница 72: ...gs 6 to the new service module then connect the shaft seals purge pipeline 7 to the two elbow fittings 9 Fit the coupling hub to the service module 10 Fit the motor and coupling cover to the service m...

Страница 73: ...intenance A705 40 880 Issue B Figure 17 Remove refit the service module 1 Lifting bolts 4 off 2 Bolts 4 off 3 Inlet adaptor 4 Bolts 4 off 5 Frame cross members 2 off 6 Elbow fittings 7 Shaft seals pur...

Страница 74: ...hat the thermal snap switch is correctly set for the required operating temperature If necessary adjust the thermal snap switch refer to Section 3 12 1 Has your ATEX control circuit operated to stop t...

Страница 75: ...t if necessary refer to Section 5 7 and 5 14 The pump only achieves an ultimate pump inlet pressure of 30 to 50 mbar 3 x 103 to 5 x 103 Pa Is the pressure relief valve stuck in the open position See a...

Страница 76: ...ds Limited Maintenance The pump does not operate Is the pump motor faulty Make all the other appropriate checks in this table If there is no other apparent cause for failure of the pump to operate che...

Страница 77: ...ctions and allow the cooling water to drain from the pump 3 Drain the cooling water from the heat exchanger as described in Section 5 12 1 Refit the drain plug 4 Disconnect the shaft seals purge nitro...

Страница 79: ...luding equipment decontamination service exchange repair rebuild and testing to factory specifications Equipment which has been serviced repaired or rebuilt is returned with a full warranty Your local...

Страница 80: ...rystar coolant 0 9 l as supplied 2 0 l when diluted H128 10 003 Pressure Relief Valve Assembly A705 01 832 Routine Maintenance Kit A705 01 825 Motor Fitment Kit A705 01 805 Upper Bearing Kit A705 01 8...

Страница 81: ...seals purge nitrogen supply 25 Connect the temperature transmitter if fitted 22 Connect the thermal snap switch if fitted 22 Connections 13 Cooling water data 11 D Disposal 71 Drain the coolant from t...

Страница 82: ...inspect the rotor bearings 42 Remove the bearing cover and bearing caps 43 Remove the coupling cover from the pump motor 55 Remove the drive hub and fit to the new pump motor pumps without a torque li...

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