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AMOT 2230C, Инструкция по установке, эксплуатации и обслуживанию, Страница: 20 / 20

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Rm A8-671 Jiahua Business Center 
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Prepar

ed by:

  TPI – Jan 2

004 

Содержание 2230C

Страница 1: ...Doc No OMM223000015 Revision 2 May 06 2230C 4430B Two way Temperature Sensing Valve Installation Operation and Maintenance Manual ...

Страница 2: ......

Страница 3: ...5 1 3 Procedure Safety 5 Description 7 2 1 Overview 7 2 2 Description of Operation 8 2 3 Valve Model Code 9 2 4 Optional AMOT 4125 Vent Closure 10 Installation 11 3 1 Install the Valve 11 Operation 15 4 1 Introduction 15 Maintenance 17 5 1 Introduction 17 5 2 Test the Setpoint 17 Technical Data 19 ...

Страница 4: ...4 Contents Rev 2 May 06 OMM223000015 ...

Страница 5: ...omply with the requirements for mechanical equipment to Group IIG Category 2 This classification would permit the equipment to be used in Zone 1 and 2 hazardous areas Such compliance is indicated in the product labelling as II 2G X The X marking is used in respect to the maximum surface temperature of the valve which is wholly conditional on the temperature of the fluids passing through it The val...

Страница 6: ...e the next step of the procedure is carried out CAUTION A Caution identifies a hazard that could cause damage to equipment The text of the caution describes the hazard and details of the precautions that must be applied before the next step of the procedure is carried out Note A Note contains supplementary information that may be useful to the Operator and may appear before or after a particular s...

Страница 7: ...ntrol pressure applied to the valve can be air gas or lubricating oil and is vented when the valve opens This reduces the control pressure to an AMOT Master Safety Control or other device to protect the engine when high temperature is detected Fig 1 shows a typical installation using two Temperature Sensing Valves connected in series This ensures that the shutdown system is triggered in the event ...

Страница 8: ... the temperature increases the wax temperature element expands and moves the pushrod against the spring pressure When the temperature rises above the setpoint the valve seat is lifted by the pushrod and the inlet pressure is connected to the vent port When the temperature falls the valve seat assembly is closed again by spring pressure The screw is used to adjust the setpoint preset by AMOT Fig 2 ...

Страница 9: ...76 2 3 61 9 2 7 16 69 9 2 3 4 3 88 9 3 1 2 74 6 2 15 16 82 6 3 1 4 4 101 6 4 87 3 3 7 16 95 3 3 3 4 5 114 3 4 1 2 100 3 15 16 107 6 4 1 4 6 127 5 112 7 4 7 16 120 7 4 3 4 7 Temperature range Without well With well 19 35 C 65 95 F 24 40 C 75 105 F A K 36 54 C 96 130 F 41 60 C 106 140 F B M 55 71 C 131 160 F 61 76 C 141 170 F C N 72 82 C 161 180 F 78 88 C 171 190 F D P 83 100 C 181 212 F 89 104 C 19...

Страница 10: ...223000015 2 4 Optional AMOT 4125 Vent Closure The optional AMOT 4125 Vent Closure can be screwed into the VENT port to protect against the ingress of dirt insects and corrosive atmospheres into the Valve Fig 3 AMOT 4125 Vent Closure ...

Страница 11: ...the rest of the system additional earth bonding will be required To ensure that the pressure drop is felt at the engine control device An orifice must be fitted in the control medium input line Suitable orifices for a wide range of control media are available from AMOT Pipe lengths must be kept as short as possible to minimise the control medium volume 1 Install the Valve into the pipe fitting or ...

Страница 12: ...zardous area the VENT port must be connected by a pipe that vents outside the hazardous area 3 Connect the VENT port depending on the type of control medium Air no connection is required but it should be protected from contamination by an AMOT 4125 Vent Closure refer to Fig 3 or a tubing elbow bent downwards Oil connect to the sump Gas connect to system vent If required an AMOT 4054 Trip Indicator...

Страница 13: ...13 Installation OMM223000015 Rev 2 May 06 Fig 4 Dimensions ...

Страница 14: ...14 Installation Rev 2 May 06 OMM223000015 ...

Страница 15: ...Introduction 15 4 1 Introduction The 2230C 4430B Temperature Sensing Valve operates with no manual intervention and resets automatically If the optional AMOT 4054C Trip Indicator is used the red plunger must be pushed in to reset it after the temperature has fallen below the setpoint ...

Страница 16: ...16 Operation Rev 2 May 06 OMM223000015 ...

Страница 17: ... recommended that the unit is returned to AMOT if the setpoint requires adjustment To test the setpoint refer to Section 5 2 Maintenance of the 4054 Trip Indicator is described in OMM405400037 5 2 Test the Setpoint WARNING To avoid injury ensure that the process and control mediums are cooled drained and isolated before the Valve is removed from the pipework 1 Ensure that the process and control m...

Страница 18: ...r until the Valve trips 7 Note the thermometer reading and ensure that it indicates the correct setpoint Note The Valve starts to bleed control pressure at 1 to 2 C 2 to 4 F below the setpoint 8 Allow the Valve to cool and ensure that it closes when the temperature falls below the setpoint 9 If the VENT port leaks in the cold condition or the setpoint requires adjustment return to AMOT at the addr...

Страница 19: ...imum Sensed pressure with well fitted 2766L 690 bar 10000 psi maximum 3802L 345 bar 5000 psi maximum Sensed pressure Temp element 55 17 bar 800 psi maximum Temperature Maximum allowable continuous temperature depends on the Model Code Model Code Without well With well A K 48 9 C 120 F 54 4 C 130 F B M 68 3 C 155 F 73 9 C 165 F C N 85 C 185 F 90 6 C 195 F D P 101 7 C 215 F 107 2 C 225 F E R 110 C 2...

Страница 20: ... com AMOT USA 8824 Fallbrook Dr Houston Texas 77064 USA Tel 1 281 940 1800 Fax 1 281 668 8802 Email sales amotusa com Asia and Australasia AMOT Shanghai Rm A8 671 Jiahua Business Center 808 Hongqiao Road Shanghai 200030 China Tel 86 0 21 6447 9708 Fax 86 0 21 6447 9718 Email shanghai amot com AMOT Singapore 10 Eunos Road 8 12 06 Singapore Post Centre Singapore 408600 Tel 65 6293 4320 Fax 65 6293 3...

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