metso automation NE700/S1 Скачать руководство пользователя страница 20

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Metso Automation Inc.

Europe,

Levytie 6, P.O. Box 310, 00811 Helsinki, Finland. Tel. +358 20 483 150. Fax +358 20 483 151

North America,

44 Bowditch Drive, P.O. Box 8044, Shrewsbury, MA 01545, USA. Tel. +1 508 852 0200. Fax +1 508 852 8172

Latin America,

Av. Independéncia, 2500- Iporanga, 18087-101, Sorocaba-São Paulo, Brazil.

Tel. +55 15 3235 9700. Fax +55 15 3235 9748/49

Asia Pacific,

501 Orchard Road, #05-09 Wheelock Place, 238880 Singapore. Tel. +65 673 552 00. Fax +65 673 545 66

Middle East,

Roundabout 8, Unit AB-07, P.O. Box 17175, Jebel Ali Freezone, Dubai, United Arab Emirates.

Tel. +971 4 883 6974. Fax +971 4 883 6836

www.metsoautomation.com

Содержание NE700/S1

Страница 1: ...POSITIONERS Series NP Installation Maintenance and Operating Instructions 7 NP 72 en Issue 5 02 ...

Страница 2: ...TENANCE 10 8 1 Supply air filter 10 8 2 Pilot valve 10 8 3 Replacement of the diaphragm 11 9 TROUBLE SHOOTING 11 10 OPTIONS 11 10 1 NP700 GF and NP700GN natural gas construction 11 10 2 NP700 R dust proof construction IP 65 11 10 3 NP700 A with pressure gauges 11 11 TOOLS 11 12 ORDERING SPARE PARTS 11 13 DRAWINGS AND PARTS LISTS 12 13 1 Exploded view and parts list 12 13 2 Mounting parts for B1C6 ...

Страница 3: ... difference pressure until the compression force of the feedback spring generated by the change in position is in equilibrium with the force generated by the signal pressure Thus each signal pressure value corresponds to a single actuator position If an external force acts on the actuator shaft the shaft tends to move in the direction of the torque This alters the position of the spool via the fee...

Страница 4: ...TION Do not dismantle a pressurized positioner Dismantling a pressurized positioner will result in uncontrolled pressure release Always isolate the relevant part of the pipeline release the pressure from the positioner and the piping Failure to do this may result in damage or personal injury CAUTION Beware of the moving parts when positioner is operated 2 M O U N T I N G O N T H E METSO AUTOMATION...

Страница 5: ...emove the limit switch before the adjustment of the positioner 1 Loosen the cover screws Note the position of the shaft relative to the positioner when removing the limit switch 2 When the adjustment of the positioner is done operate the actuator until the valve is in the closed or open position 3 Note the position of the actuator and valve when mounting the limit switch on the actuator Make sure ...

Страница 6: ...2 16 3 6 220 6 7 409 1 2 x x x x 4 5 11 8 18 3 5 6 4 5 11 20 25 13 793 27 1648 3 4 x x x x x x x x 8 5 21 17 38 7 5 19 15 33 32 322 53 3234 106 6468 1 x x x x x 33 74 30 64 60 130 QP Stroke vol dm3 in3 NPT 1 4 3 8 1 2 6 4 10 8 12 10 1 C 0 62 37 3 8 x x 1 5 2 1 5 2 2 C 1 08 66 3 8 x x 2 3 5 2 3 5 3 C 2 18 133 3 8 x x 3 5 2 3 4 C 4 34 265 3 8 x x 6 10 4 6 5 C 8 7 531 3 8 x x 7 10 6 C 17 5 1068 3 4 x...

Страница 7: ...ose valve Cam segments B 0 100 A 0 50 A 50 100 4 Increasing input signal to close valve Spring to open valve Cam segments B 0 100 A 0 50 A 50 100 WARNING Valve closes exceptionally counterclockwise Unsuitable for Q R T5 F and L series valve NOTE Reverse piping for ST actuators Spring and piston in the opposite position from shown SINGLE ACTING SPRING TO OPEN 5 Increasing input signal to close valv...

Страница 8: ...ng segments are roughly 15 20º 4 PRELIMINARY ACTIONS FOR THE ADJUSTMENT Setthevalve sopenandclosedlimitswiththeactuatorlimiterscrews see thevalveinstructionmanual Thechangeoverpiece 46 andthecam 29 must be in correct positions Check the pilot valve size from Table 2 The adjustment must always be carried out when the supply pressure has been changed Please note that operating of the valve is requir...

Страница 9: ...lue The valve should be entirely open at 100 i e 1 0 bar 15 psig or 0 2 bar 3 psig The valve should start to operate to closed direction at 98 i e 0 98 bar 14 0 psig or 0 22 bar 3 2 psig The range i e turning angle changes when the effective lenght of the spring 60 is increased or decreased by turning the range adjustment nut 60 3 See Fig 11 4 The zero and range adjustments affect each other so st...

Страница 10: ...ntenance is not necessary The need for maintenance depends on the quality of the instrument air see Section 2 5 If there is need for servicing proceed according to the following sections 8 1 Supply air filter The supply air filter 50 is located in the supply air connection S the filter can be removed and cleaned with e g compressed air segment C segment D segment E shift Roller contact point when ...

Страница 11: ... actuator changeover piece or cam position wrong see Fig 4 actuator or valve jammed 2 The actuator reaches final position with a small signal pressure change the tube installation between positioner and actuator the changeover piece or the cam position wrong 3 Inaccurate positioning pilot valve dirty beam 5 pushes pilot valve spool sideways diaphragm damaged actuator torque too low supply pressure...

Страница 12: ...13 DRAWINGS AND PARTS LISTS 13 1 Exploded view and parts list 12 ...

Страница 13: ...over pice 47 2 O ring X 48 1 Protective plate 49 2 Hexagon nut 50 1 Filter 51 2 Bearing Item Qty Description Recommended spare part 52 1 Coupling 55 1 Gasket X 56 1 Screw 57 1 Grub screw 58 1 Support plate 59 2 Barrel nut 60 1 Spring 62 1 Hexagon plug 64 1 Body 65 1 Lock ring 67 1 Zero screw 68 2 Spring 69 2 Guide 70 1 Pressure gauge block 71 3 O ring X 72 3 Screw 73 1 Pressure gauge 74 2 1 Pressu...

Страница 14: ...13 2 Mounting parts for B1C6 502 and B1J8 322 actuators S1 Item Qty Description 1 1 Mounting bracket 2 1 Draught piece 3 4 Washer 4 4 Screw 28 1 Screw 29 2 Screw 36 1 Coupling jacket 14 ...

Страница 15: ...on 1 1 Mounting bracket 2 2 Coupling half 3 1 Adapter 4 4 Screw 5 4 Hex nut 6 1 Screw 7 4 Screw 8 4 Washer 9 4 Screw 10 4 Washer Drive female spline Item Qty Description 1 1 Mounting bracket 2 1 Ear 4 4 Screw 28 4 Screw 29 1 Screw 30 4 Screw 35 1 Coupling 36 1 Coupling jacket 15 ...

Страница 16: ...rs S2 Item Qty Description 1 1 Mounting bracket 2 1 Draught piece 3 2 Washer 4 2 Screw 5 1 Bracket 6 1 Washer 7 1 Screw 8 2 Washer 10 1 Rod 11 2 Bushing 12 2 Screw 13 2 Stud B1C6 only 14 2 Hexagon nut B1C6 only 26 2 Locking nut 27 2 Washer 28 2 Screw 16 ...

Страница 17: ...for B1C25 502 and B1J25 322 actuators S2 Item Qty Description 1 1 Mounting bracket 2 1 Draught piece 3 2 4 Washer 4 2 4 Screw 8 2 Washer 9 2 Screw 10 1 Rod 11 2 Bushing 12 2 Screw 26 2 Locking nut 27 2 Washer 28 2 Screw 17 ...

Страница 18: ...1 and K Temperature range 10 C 120 C 14 F 248 F S1 Positioner with attachment face acc to standard VDI VDE 3845 equipped with H clip When positioners are separate deliveries VDI VDE ear is supplied Not applicable to globe valve actuators 5th sign A S2 Positioner with attachment face acc to Metso Automation equipped with C clip Not applicable to globe valve actuators 5th sign A Used only with non M...

Страница 19: ......

Страница 20: ...x 1 508 852 8172 Latin America Av Independéncia 2500 Iporanga 18087 101 Sorocaba São Paulo Brazil Tel 55 15 3235 9700 Fax 55 15 3235 9748 49 Asia Pacific 501 Orchard Road 05 09 Wheelock Place 238880 Singapore Tel 65 673 552 00 Fax 65 673 545 66 Middle East Roundabout 8 Unit AB 07 P O Box 17175 Jebel Ali Freezone Dubai United Arab Emirates Tel 971 4 883 6974 Fax 971 4 883 6836 www metsoautomation c...

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metso automation NE700/S1, Инструкция по установке, обслуживанию и эксплуатации

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