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Summary of Contents for Flowserve P3 Series
- Page 1 P3/EP3 Installation Modular Linear Positioner Operation Maintenance...
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Page 2: Table Of Contents
Contents 1. Introduction ........................3 Safety instruction ....................... 3 2. Storage ..........................4 General ..........................4 Storage indoors ........................4 Storage outdoors or for a longer period ................4 Storage in a warm place ....................4 3. Design ..........................5 4. -
Page 3: Introduction
1. Introduction The PMV P3 is a modular Positioner sys- tem designed for use on control valves with linear motion. The basic unit is the P3 posi- tioner, which is available for single acting. The I/P converter can be integral, located in Safety instruction a separate mounted module (Ex), or located Read the safety instructions in this... -
Page 4: Storage
2. Storage General outdoors, it is important that all the cover The PMV positioner is a precision in- screws are tightened and that all connections strument. Therefore it is essential that it is are properly sealed. The unit should be handled and stored in the correct way. -
Page 5: Design
3. Design located externally (explosion proof), see The P3 positioner comprises a basic section ”Variants”. module with a single acting valve block. It also includes a sealed chamber with termin- The adjusting screws and knobs are als for the electrical input signals. accessible under the removable sealed alu- minium cover. -
Page 6: Variants
4. Variants Standard designs P3/EP3 is available single acting. I/P converter can be integral or located elsewhere. P3/EP3 Pneumatic, single acting, to be connected to an external I/P converter. EP3, EP3IS Electro-pneumatic, single , with integral I/P converter. Intrinsically safe model also available. -
Page 7: Function
5. Function General The P3 positioner operates on the force balance principle. Changes are initiated by the signal pressure from the I/P converter. The functionality is described briefly below. Single action Relay Feedback arm diaphragm Venting To/from Plug actuator valve Signal pressure supply... -
Page 8: Installation
6. Installation Air supply requirements that the air system is contaminated, it should be properly cleaned. Max. air supply pressure, see the section Technical Data on page 20. To ensure a stable and problem-free ope- ration, we recommend the installation of a The supply air must be free from filter/pressure regulator <40µ... -
Page 9: Mounting
Mounting according to IEC 534-6 inches. The scale is used to adjust the pin N.B. If the positioner is installed in a (D) so its position corresponds to the stroke hazardous environment, it must be of a of the valve stem. type approved for this purpose. - Page 10 Mounting instructions for P3/EP3 with mounting kit 30168S...
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Page 11: Connections
Connections ➠ Air: Supply Port S Supply air Port C+ Connection to actuator Input 4-20 mA Port I Pneumatic input signal 3-15 psi (external I/P) Electrical connection Data for air and electrical connections, see section Port I Electric input signal Technical Data on page 20. -
Page 12: Single Acting Positioner
Single action positioner Actuator with closing spring, flapper nozzle set for reverse function When the signal from the I/P unit increases, the pressure C+ to the actuator is increased. The valve stem moves upwards. Actuator with closing spring, flapper nozzle set for direct function When the signal from the I/P unit increases, the pressure C+ to the actuator is reduced. -
Page 13: Electrical Connections
Gauge manifold 1/8" NPT Signs Logotype Type II 2G Ex ia IIC T6/T5/T4 NEMKO 08ATEX1144X Intrinsically safe when installed according to document: IP-653 Type: E5-IS Input Signal: Input Pressure: Output Pressure: Temp. Range: Action: Flowserve Sweden, Palmstierna International Solna Sweden www.flowserve.com... -
Page 14: Control Drawing
Control drawing... -
Page 15: Adjustments
7. Adjustments Gain Default settings The positioner is supplied from the factory with default settings. If the settings have been changed, the default settings can be reset as follows: • Apply an input signal equivalent to maxi- mum stroke (100%). •... -
Page 16: Maintenance/Service
8. Maintenance/service When service or rebuilding is required, Cleanliness is essential when working it may be necessary to remove and refit with the positioner. Contamination in various parts of the positioner. This is the air ducts will lead to operational described on the following pages. -
Page 17: Flapper Nozzle
Flapper nozzle The flapper valve holder can be mounted in two different ways, depending on the required function. This is described on page 11. Change the function or replace the O- rings as follows: • Unscrew the screws C and D and remove the holder E. -
Page 18: Feedback Arm / Spindle
Feedback arm / Spindle J, K, L The feedback arm is mounted on the spindle with a friction clutch comprising several disc springs. Remove the feedback arm/spindle as follows: • Remove the circlip J, the washer K behind it, and the O-ring L. •... -
Page 19: Trouble Shooting
9. Trouble shooting Action Fault symptom • Check air supply pressure and connection Change in input signal to positioner does between positioner and actuator. not affect actuator position. • Check input signal to positioner. • Check output signal from I/P converter. •... -
Page 20: Technical Data
10. Technical data Common data Repeatability <0,3% Air delivery Supply at 600 kPa 125 nl/min Air delivery Exhaust at 600 kPa 125 nl/min Air supply pressure range 140-600kPa Gain % / % acc. to ISA S75 5 to 30 %/% Temperature range -40°C to +85°C Temperature sensitivity... -
Page 22: Spare Parts List
11. Spare Parts List... - Page 23 Pos. Part no. Description E5-STD I/P Converter general purpose E5-IS I/P Converter intrinsically safe E3-EX I/P Converter explosion proof, incl bracket P3-SP15 Air relay module, single acting 7-SP25B Cover incl screws...
- Page 24 Fax: +39 (0) 2 615 18 63 Fax: +27 (0) 11 397 5300 E-mail: infoitaly@flowserve.com E-mail: pmvgermany@flowserve.com The Netherlands USA, Mexico Flowserve Flow Control Benelux PMV-USA Flowserve Abex Road 1440 Lake Front Circle, Unit 160 Postbus 1501 Newbury, Berkshire, RG14 5EY...
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