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C411-02-880

Issue J

Instruction Manual

PVEK Valves

Original instructions

Содержание C411-01-000

Страница 1: ...C411 02 880 Issue J Instruction Manual PVEK Valves Original instructions ...

Страница 2: ...This page has been intentionally left blank ...

Страница 3: ...3 000 PV40EKA 220 V C416 51 000 PV40EKS 220 V C416 53 000 PV40EKA 110 V C416 52 000 PV40EKS 110 V C416 54 000 Accessories Lead Assy PV Valve C411 01 090 Lead Assy is not within the scope of 2004 108 EC EMC Directive to which this declaration relates is in conformity with the following standard s or other normative document s EN61010 1 2010 Safety Requirements for Electrical Equipment for Measureme...

Страница 4: ... C416 32 000 PV25EKA 110 V C416 31 000 PV25EKS 110 V C416 33 000 PV40EKA 220 V C416 51 000 PV40EKS 220 V C416 53 000 PV40EKA 110 V C416 52 000 PV40EKS 110 V C416 54 000 to which this declaration relates is intended to be incorporated into other equipment and not to function independently The machine s must not be put into service until the equipment into which it is incorporated has been brought i...

Страница 5: ...e valve 9 3 3 Electrical connections 9 3 3 1 Fit your own electrical supply cable 12 3 3 2 Fit the electrical supply cable accessory 12 3 3 3 Position indicator connections 12 4 Operation 15 4 1 General 15 4 2 Position indicator 15 5 Maintenance 17 5 1 General 17 5 1 1 Safety information 17 5 1 2 Fluoroelastomers 17 5 2 Dismantle and inspect the valve 18 5 3 Replace the bellows pole piece assembly...

Страница 6: ...K valve PV10EK right angled valve shown 2 2 Right angled valve dimensions 7 3 In line valve dimensions 7 4 Electrical connectors 10 5 Electrical supply connections 11 6 Position indicator connections 13 7 Sectional view of PVEK valve 19 Tables Table Page 1 Performance operating and storage conditions 5 2 Electrical data 6 3 Mechanical data 6 4 Fault finding 20 5 Spares 23 ...

Страница 7: ...m of units of measurement The following symbols appear on the PVEK Valves 1 2 Description The PVEK valves are solenoid operated vacuum valves which are compact and lightweight They are designed for low energy consumption low operating temperatures and trouble free operation The PVEK valve enclosure provides protection to IP55 as defined by EN60529 The valves are available in right angled and in li...

Страница 8: ...served Edwards and the Edwards logo are trademarks of Edwards Limited Introduction Figure 1 PVEK valve PV10EK right angled valve shown 1 Position indicator socket 2 Electrical supply socket 3 Valve body 4 Valve port 5 Valve port 6 Mounting holes 7 Electrical box ...

Страница 9: ...rminates in two ports with NW flanges A PCB inside the electrical box 1 controls the valve actuation A magnetic reed switch positioned on the underside of the PCB provides position indication The reed switch has changeover contacts and provides both normally open and normally closed position indications 1 4 Operation The solenoid coil in the valve has two windings To open the valve both windings a...

Страница 11: ... storage conditions PV10EK PV16EK PV25EK PV40EK Ambient temperature operation 5 45 C 5 45 C 5 50 C 5 50 C Ambient temperature storage 30 70 C 30 70 C 30 70 C 30 70 C Ambient humidity operation 80 decreasing linearly to 50 relative humidity at 40 C Operating altitude operating conditions Up to 2000 m For indoor use only Molecular conductance right angled valve 3 l s 1 4 l s 1 10 l s 1 34 l s 1 Mole...

Страница 12: ...Maximum cable diameter 6 5 mm Table 3 Mechanical data Dimensions mm see Figures 2 and 3 for keys PV10EK PV16EK PV25EK PV40EK A B C F H L M 30 42 20 59 150 116 Right angled valve In line valve note that there is no PV10EK in line valve 40 42 20 69 37 4 160 142 9 126 85 40 50 55 20 82 72 5 182 172 142 93 50 65 80 40 110 101 5 230 222 170 111 65 Mounting hole thread size and maximum depth M4 x 7 M4 x...

Страница 13: ...Limited 2013 All rights reserved Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited Technical data C411 02 880 Issue J Figure 2 Right angled valve dimensions Figure 3 In line valve dimensions ...

Страница 14: ...03 000 Stainless steel bodies PV16EKS Valve 220 V C412 02 000 PV16EKS Valve 110 V C412 04 000 PV25EKS Valve 220 V C413 02 000 PV25EKS Valve 110 V C413 04 000 PV40EKS Valve 220 V C414 02 000 PV40EKS Valve 110 V C414 04 000 Product Item Number Aluminium bodies PV10EKA Valve 220 V PV10EKA Valve 110 V PV16EKA Valve 220 V C416 10 000 PV16EKA Valve 110 V C416 11 000 PV25EKA Valve 220 V C416 30 000 PV25E...

Страница 15: ...low for additional support if required the dimensions of these holes are defined in Section 2 Do not exceed the specified maximum depth of thread or you will damage the valve Connect the valve to your vacuum system with standard NW coupling components If necessary you can rotate the valve body from its standard position in 90 steps for the right angled valve and in 180 steps for the in line valve ...

Страница 16: ...ved Edwards and the Edwards logo are trademarks of Edwards Limited Installation Figure 4 Electrical connectors 1 Electrical box 2 Sealing gland 3 Connector block 4 Electrical supply socket 5 Socket retaining screw 6 Cable strain relief nut 7 Position indicator socket ...

Страница 17: ...s Limited 2013 All rights reserved Page 11 Edwards and the Edwards logo are trademarks of Edwards Limited Installation C411 02 880 Issue J Figure 5 Electrical supply connections 1 Live 2 Neutral 3 Earth ground ...

Страница 18: ...g screw 5 and tighten ensure that there is a slight compression of the sealing gland 3 3 2 Fit the electrical supply cable accessory Use the following procedure to fit the electrical supply cable accessory Refer to Figure 4 for item numbers in brackets The accessory is supplied as a fully assembled cable together with a new sealing gland and socket retaining screw 1 Undo the screw 5 and remove the...

Страница 19: ...sue J 3 Refit the connector block to the socket and replace the socket Note that the socket is not polarised and can be fitted in any of four possible positions Ensure that the sockets mate with the corresponding pins labelled on the electrical box Figure 6 Position indicator connections 1 Normally closed 2 Normally open 3 Common 4 Not used ...

Страница 21: ...ctrical supply to the valve it is possible for the valve to close but the position indicator to show the valve still open This is because the stray magnetic flux which remains during a temporary loss of the electrical supply could be sufficient to hold the reed switch open If the valve is not able to close due to a physical obstruction the position indicator will show the valve to be closed If it ...

Страница 23: ...tions when you come into contact with solvents and fluoroeleastomer O rings Ensure that you do maintenance in a well ventilated area Do not use abrasive or reactive chemicals to clean the valve Do not use solvents to clean O rings Safely dispose of all components which have been contaminated by dangerous process substances 5 1 2 Fluoroelastomers The seals and O rings used in the PVEK valve are mad...

Страница 24: ...1 and the valve body O ring 10 from the valve 3 Examine the bellows pole piece assembly 7 the valve body O ring 10 and the valve pad O ring 12 for damage and wear 4 If necessary replace any worn or damaged items as described in Sections 5 3 and 5 4 5 Refit the bellows assembly into the actuator case ensure free movement of the pole piece in the actuator case 6 Refit the valve body 11 to the valve ...

Страница 25: ...imited Maintenance C411 02 880 Issue J Figure 7 Sectional view of PVEK valve 1 Electrical box 2 Top cap 3 Sorbathane pad 4 Bearing assembly 5 Fixed pole 6 Coil 7 Bellows pole piece assembly 8 Actuator housing 9 Retaining screw 10 Valve body O ring 11 Valve body 12 Valve pad O ring A Detail of in line valve ...

Страница 26: ... Action The valve fails to operate Has the electrical supply failed Check the electrical supply and repair as necessary Is there a loose connection in the electrical supply socket Remove the electrical supply socket check the electrical supply cable to socket connections and repair as necessary see Section 3 3 1 Is the valve obstructed Dismantle the valve see Section 5 2 and remove the obstruction...

Страница 27: ...s and store the PVEK valve in cool dry conditions until it is required for use When required prepare and install the valve as described in Section 3 6 2 Disposal Dispose of the valve and any components removed from it safely in accordance with all local and national safety and environmental requirements Particular care must be taken with the following Fluoroelastomers which may have been subjected...

Страница 29: ...f your equipment For more information about service options contact your nearest Service Centre or other Edwards company 7 3 Spares Table 5 Spares Valve type O ring service kit Bellows Valve body Right angled valve In line valve Right angled valve In line valve Right angled valve In line valve PV10EKA 220 V PV10EKA 110 V PV16EKA 220 V PV16EKA 110 V PV25EKA 220 V PV25EKA 110 V PV40EKA 220 V PV40EKA...

Страница 30: ... Issue J Page 24 Edwards Limited 2013 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Service spares and accessories 7 4 Accessories Electrical supply cable accessory C411 01 090 ...

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