Baker Hughes Masoneilan 4700P Instruction Manual Download Page 7

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Masoneilan 4700P/E & 4800P/E Positioners Manual | 7

Safety Information

This section provides safety information and defines the documentation safety symbols.

CAUTION

Read this entire section before installation and operation.

Safety Symbols

4700/4800 instructions contain WARNINGS, CAUTIONS labels and Notes, where necessary, to

alert you to safety related or other important information. Total compliance with all WARNING,

and CAUTION notices is required for safe operation.

WARNING

Indicates a potentially hazardous situation, which if not avoided

could result in serious injury or death.

CAUTION

Indicates a situation, which if not avoided could result in property

or data damage.

NOTE

Indicates important facts and conditions.

Summary of Contents for Masoneilan 4700P

Page 1: ...Masoneilan 4700P 4700E 4800P 4800E Pneumatic and Electropneumatic Positioners Instruction Manual Rev F Baker Hughes Data Classification Public...

Page 2: ...ENTS THEREFORE THESE INSTRUCTIONS SHOULD BE INTERPRETED AND APPLIED IN CONJUNCTION WITH THE SAFETY RULES AND REGULATIONS APPLICABLE AT THE SITE AND THE PARTICULAR REQUIREMENTS FOR OPERATION OF OTHER E...

Page 3: ...n about post shipment calibration C 04 2015 Added Disclaimer paragraph and a new Figure 15 D 01 2020 Changed Valve Action references in High Performance Butterfly Valve cam and lever graphic in Calibr...

Page 4: ...7 88 Actuators 17 Positioner Mounting and Orientation 19 Camflex II V Max MiniTork II and Butterfly 19 Pneumatic Installation 21 Electrical Installation of 4700E 4800E 24 Hazardous Area Installations...

Page 5: ...lose Reverse Acting Positioner 4700P 4800P only 44 Damping Adjustment 45 Positioner Action Change 4700P 4800P Only 46 From Air to Open Direct to Air to Open Reverse 46 From Air to Open Reverse to Air...

Page 6: ...Figure 10 Pneumatic Installation 23 Figure 11 Electrical Connections 24 Figure 12 FM Installation 30 Figure 13 CSA Installation 31 Figure 14 ATEX Installation 32 Figure 15 Split Range 33 Figure 16 Lob...

Page 7: ...4700 4800 instructions contain WARNINGS CAUTIONS labels and Notes where necessary to alert you to safety related or other important information Total compliance with all WARNING and CAUTION notices i...

Page 8: ...at heights per safe site work practices Use appropriate safety equipment and practices to prevent the dropping of tools or equipment during installation All surrounding pipe lines must be thoroughly f...

Page 9: ...use a degradation of the performance of the system which can lead to personal injury or death Installation in poorly ventilated confined areas with any potential of gases other than oxygen being prese...

Page 10: ...pneumatic positioner design is based on the force balance principle the signal pressure exerted on a diaphragm is opposed by a feedback spring In the balanced state when the pneumatic signal varies th...

Page 11: ...instrument signal is applied directly to the positioner diaphragm and the regulated supply pressure flows through the pilot valve to or from the actuator The bypass valve module permits the positioner...

Page 12: ...esponding to the low end of the signal range when removing or installing a cam At this point feedback spring compression is at lowest value and will facilitate cam removal or installation Prior to per...

Page 13: ...over must be removed to access the zero and span adjustments and to mount the positioner on the valve To remove the cover Air to Open press the latch bar inward as shown in the figure below pull cover...

Page 14: ...Hughes Figure 3 Rotary Figure 4 Reciprocating For 4700P 4800P model only positioner action can be reversed by simply engaging the proper lobe on the cam and reversing the follower arm numbers 1 and 2...

Page 15: ...rnbuckle Screw 111 Positioner 30 Washer Shakeproof 102 Clevis 112 Male Connector 37 Ring Retaining 103 Back Lever 113 Cap Screw 38 Cap Screw 104 Clevis Pin 114 Lockwasher 39 Lockwasher 105 Retaining C...

Page 17: ...ocation on the back lever Location is based on valve stroke required 5 Check Figure 6 for proper mounting location for positioner on bracket 6 Mount positioner on bracket using socket head screws 29 a...

Page 18: ...Figure 6 87 88 Actuator Bracket Mounting Travel Settings 39 38 30 29 42 37 40 28 26 4A 41 40 135 27 51 103 2 5 2 0 1 5 1 0 0 8 Back Lever Top view of 4700P 4700E and 4800P 4800E Positioner Side view...

Page 19: ...h gauges away from actuator on MiniTork II Figure 8 and HPBV 39004 Figure 9 The intermediate mounting plate 171 is held by two flat head screws 172 to the bracket NOTE The cam take off hole must be ce...

Page 20: ...ights reserved 20 Baker Hughes Figure 7 Camflex II Figure 8 MiniTork II For detail of Positioner Mounting Parts see Figure 7 Figure 9 39000 Series High Performance Butterfly Valve For detail of Positi...

Page 21: ...ctions of 4700P and 4800P and the output and supply connections of 4700P and 4700E are tapped 1 4 NPT The output and supply connections of 4800P and 4800E are tapped 3 8 NPT There is also an exhaust c...

Page 22: ...nt malfunction The use of soft setting anaerobic hydraulic seal such as Loctite Hydraulic Seal 542 is recommended Follow manufacturer s instructions CAUTION Do not use an excessive amount as it will n...

Page 24: ...the output of the controller and verifying that at 100 controller output 20 mA is obtainable CAUTION Do not use a voltage source to drive the positioner as it may cause permanent damage CAUTION The p...

Page 25: ...instructions You must make no changes or attempt any repairs of a certified instrument since this invalidates the certified design If a certified instrument should fail it must be returned to the manu...

Page 26: ...I Division 2 Groups A B C and D S Class II and III Division 2 Groups F and G Temperature classification T4 40 C ambient T3B 70 C ambient T3A 85 C ambient Installation must be in accordance with the c...

Page 27: ...ion 2 Groups A B C and D with a temperature code T6 75 C T5 85 C Install as per drawing 97 055 Figure 21 on page 62 Installation must be in accordance with the current edition of the Canadian National...

Page 28: ...applicable country codes Figure 14 on page 32 and manufacturer s instructions Housing protection rating IP 66 Do not open when energized Do not open when an explosive gas atmosphere is present Use cab...

Page 29: ...e Use denoted by X after the certificate number This enclosure is made from light metal which could cause ignition due to impact This shall be taken into consideration when the apparatus is installed...

Page 33: ...4 20 mA control signal To accomplish this with the 4700E 4800E the two positioners are connected in series as shown in Figure 15 with the actual split ranging done by proper cam segment selection per...

Page 34: ...own screw 32 with the lockwasher 33 is torqued to 125 inch lbs Mounting Cam The cam holder 36 and cam 26 are positioned on the cam coupling 34 so that the desired cam lobe s low signal line is properl...

Page 35: ...to the left or right of the cam center Changing Lever S A Orientation See Field Mounting and Complete Calibration Rotary Actuators on page 54 and Field Mounting and Complete Calibration Reciprocating...

Page 36: ...eld mounting maintenance etc it is necessary to follow all steps of the calibration instructions according to desired actuator action and positioner action For proper performance when the valve is ins...

Page 37: ...or scale Span Adjustment See Figure 18 page 56 and Figure 19 page 58 If the valve does not fully stroke for a full signal span the feedback spring rate is too high Loosen screw 8 and turn spring 5 on...

Page 38: ...e cam 26 on cam shaft with low signal line of desired lobe against cam follower Ensure the newly selected cam lobe is in the same relative position as the lobe noted in Step 2 4 Replace washer 27 lock...

Page 39: ...ace washer 27 lockwasher 51 and screw 28 Check zero and span adjustment Refer to Zero Adjustment and Span Adjustment on page 37 Air to Close Reverse Acting Positioner See Figure 18 1 Shut off supply p...

Page 40: ...cam lobe s low signal line on the cam follower 4A With the low signal line resting on the cam follower sight across the face of the cam to the raised reference line on the positioner case and align L...

Page 41: ...19 page 58 1 Do not connect air supply or signal to the positioner Valve is now open 2 Note the valve position The travel indicator should be approximately aligned with the open end of the travel scal...

Page 42: ...6 so that the selected cam lobe is facing forward and will rest on the cam follower Secure cam to cam holder with washer 27 lockwasher 51 and screw 28 Tighten screw 28 while holding the cam 26 7 With...

Page 43: ...nut 4B and turnbuckle 106 until the low signal line of the cam is aligned with the positioner case raised reference line and the travel indicator shows closed position Retighten both locknuts 3 Apply...

Page 44: ...locknut 107 Adjust zero by turning both the zero nut 4B and turnbuckle 106 until the low signal line of the cam is aligned with the positioner case raised reference line and the travel indicator shows...

Page 45: ...Apply full scale value of instrument signal i e 15 psi and note position of stroke scale indicator If travel is not correct perform span adjustment Refer to Span Adjustment on page 37 7 Repeat zero a...

Page 46: ...e pressure applied to actuator to zero If handwheel was used to place valve in open position back it off completely Valve is now closed Remove independent regulated air line from actuator 3 Proceed to...

Page 47: ...e body 1 Note Turn the pilot subassembly while removing it to prevent damage to the O rings 2 Remove end plug and withdraw the spring plug and extension pin If necessary use a penetrating oil to free...

Page 48: ...ver S A 3 and spring 5 4 On 4700E 4800E only remove 4 screws 21 to separate I P module from body CAUTION Do not damage or lose the three O rings on bottom of module 5 Remove cap screws 10 and separate...

Page 49: ...ll the pilot assembly 11 and pressure gauges 5 Install the positioner on the actuator Reconnect air lines electrical leads if 4700E 4800E and coupling linkage if mounted on reciprocating valve 6 Assem...

Page 50: ...ule 45 making sure they are seated in the bottom of the recess 4 Assemble to positioner using four 8 32 x 1 25 long screws 21 5 Reinstall vent plug instrument gauge and air connections Disassembly 1 T...

Page 51: ...nnections must be correct for the positioner action i e direct or reverse Air tight connections Correct position of the bypass In case of malfunction check following in order given 1 Check zero adjust...

Page 52: ...9 15 psig The following table shows for example the plug positions of two valves both air to close action open on air failure operating in split range with a 3 15 psig instrument signal Table 3 Split...

Page 57: ...r 30 Lockwasher 4B Zero Nut 31 Gasket 4C Zero Lock Nut 32 Socket Head Screw 5 Spring Feedback 33 Lockwasher 6 Clamp 34 Coupling 7 Lockwasher 35 Socket Head Set Screw 8 Socket Head Screw 36 Cam Holder...

Page 59: ...ut 32 Socket Head Screw 5 Spring Feedback 33 Lockwasher 6 Clamp 34 Coupling 7 Lockwasher 35 Socket Head Set Screw 8 Socket Head Screw 36 Cam Holder 9 3 15 Diaphragm S A 37 Truarc Ring 10 Screw 38 Cap...

Page 60: ...y All rights reserved 60 Baker Hughes Parts Reference Ref No Description 19 Vent Plug 21 Screw 8 32 x 1 25 SEMS 45 Bypass S A 46 O ring 47 O ring 48 Valve Bypass 49 Ring Retaining 50 O ring Figure 20...

Page 61: ...700 0 5 scf min 25 psig supply 4800 Temperature Effects Span Error Typical Temp Range C 40 to 20 20 to 60 60 to 85 Error 31 per C 06 per C 11 per C Supply Pressure Influence Less than 0 25 stroke chan...

Page 66: ...es com Copyright 2021 Baker Hughes Company All rights reserved Baker Hughes provides this information on an as is basis for general information purposes Baker Hughes does not make any representation a...

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