Operating Instructions PDP02 - PKP Prozessmesstechnik GmbH
Contents
1. PKP Prozessmesstechnik GmbH Borsigstrasse 24 D 65205 Wiesbaden Nordenstadt Tel 06122 7055 0 Fax 06122 7055 50 Operating Instructions PDP02 Differential pressure gauge with diaphragm measuring system and two measuring chambers INSTRUCTION LEAFLET FOR PRESSURE GAUGES WARNING Incorrect use of pressure gauges can cause damage and injuries Under this Directive the user must ensure that pressure gauges are installed and used in such a way that pressure related hazards are eliminated to a maximum extent Before starting installation follow the recommendations of standard EN 837 2 Check that the pressure gauge designed in compliance with standard EN 837 1 3 is suitable for the planned use in terms of Operating pressure OP Type of mounting Operating temperature OT Compatibility of materials in contact with the fluid to be measured Safety level of the pressure gauge Environmental conditions vibrations shocks pulses ambient atmosphere Connection interface Check that the pressure gauge is compatible with the surrounding atmosphere USE IN AN OXYGEN CIRCUIT Check that the pressure gauge is designed for such an application The dial must have the word OXYGEN printed in red and the international symbol oil free a crossed out burette The pressure gauge must not have been in contact with oil or grease that is incompatible with oxygen RISK OF EXPLOSION Mounting A pressure gauge must be mou2. 6122 7055 50 Email info pkp eu Internet www pkp eu Email info pkp de Internet www pkp de Three valve manifold for PDPO2 Options and Accessories Description scale in psi Double scale in bar psi Special order scale Process connection G 1 4 Process connection G 3 8 Process connection 1 4 NPT Process connection 3 8 NPT Three valve manifold made of stainless steel Process connection 2 x G 1 4 female thread Instrument connection 2 x G 1 2 with rotary sleeve clamp The model 3VD 35 valve manifold serves to block off the connection to the process as well as to provide pressure compensation between both inlets of the differential pressure gauge before the actual measurements are taken The device is made completely of stainless steel 1 4401 The fitting packing consists of PTFE The valve manifold can be used for all differential pressure gauges with a minimum distance of 35 mm between the process connections Function Compensation valve Shut off valve Shut off valve PKP Prozessmesstechnik GmbH PKP Process Instruments Inc gg BorsigstraBe 24 D 65205 Wiesbaden 10 Brent Drive Hudson MA 01749 amp 49 0 6122 7055 0 49 0 6122 7055 50 amp 1 978 212 0006 X 1 978 568 0060 Email info pkp de Internet www pkp de Email info pkp eu Internet www pkp eu
3. 65205 Wiesbaden amp 49 0 6122 7055 0 49 0 6122 7055 50 Email info pkp de Internet www pkp de Model Coding Order Number PDPO2 10 EV 15G 0 K75 0 0 Differential pressure gauge with diaphragm sensor Models 10 Housing diameter of 100 mm 16 Housing diameter of 160 mm Materials E Stainless steel seals Viton PTFE S Special order Process connection 15G 2 xG 1 2 male thread 15N 2x 1 2 NPT male thread S Special order connection see table Options and Accessories Vibration dampening 0 None Designs and measuring ranges K67 to O76 see table Measuring Ranges Electrical accessories 0 None Options and accessories more than one may be selected QO None xxx See table Options and Accessories Technical Specifications Housing Round gauge housing made of stainless steel 1 4301 d 100 or 160 mm Pressure responsive element Diaphragm made of Duratherm NiCrCo alloy Needle movement Brass nickel plated Glass face Instrument glass 4 mm Scale and needle Aluminum Process connection 1 2 straight thread or NPT stan dard 1 4 3 8 straight thread or NPT optional all made of stainless steel 1 4404 Other connections available upon request Viton PTFE see table Measuring Ranges Gasket Measuring ranges Max static pressure See table Measuring Ranges Overload protection See
4. mical industry Oil and gas systems Ship building Off shore facilities General industrial applications Flow measurement by means of orifice plates or based on the differential pressure principle PKP Prozessmesstechnik GmbH 6 10 BorsigstraBe 24 D 65205 Wiesbaden 46 49 0 6122 7055 0 X 49 0 6122 7055 50 Email info pkp de Internet www pkp de Models Nominal size Housing diameter of 100 or 160 mm Materials Housing made of stainless steel 1 4301 process connection made of stainless steel 1 4571 diaphragm made of Duratherm Process connection 2x G 1 2 or 2 x 1 2 NPT connections male thread special order connections optionally available Designs Version K for mounting on piping connection on bottom Version L for surface mounting with rim flange on back side connection on bottom Version M for mounting on piping connection on back Version N for panel mounting with three hole bezel con nection on back Version O for panel mounting with three hole bezel connection on bottom Measuring ranges Measuring range in bar max static pressure on both sides overload H rotection in bar P Ordering codes 1 20 4 1 6 20 6 4 K70 L70 M70 N70 070 K72 L72 M72 N72 072 DA men 16 kak a 4 ro 1 Needle movement 2 Mechanical linkage to measuring element 3 Diaphragm PKP Prozessmesstechnik GmbH BorsigstraBe 24 D
5. nted in compliance with standard practice We advise to mount with an isolation valve The user must check that the connections are perfectly sealed by using suitable seals that are compatible with the fluid to be measured Use a correctly sized spanner to tighten connections NEVER TWIST THE CASE IN ORDER TO TIGHTEN CONNECTIONS Comply with the instructions given on the device when putting it into service For pressure gauges fitted with a rear blow out disc for protection against overpressure ensure that there is a gap of at least 10 mm between the rear panel of the casing and the panel immediately next to it a Likewise for this type of rear blow out disc and a casing filled with damping fluid do not remove the disc from its location Only re use a pressure gauge if the medium is the same as for its first use USE Warning The operating conditions must be such that the device can be used safely THE PRESSURE GAUGE MUST NOT BE SUBJECTED TO Mechanical shocks if there is a risk install it at a distance with a hose connection Vibrations if there is a risk install it at a distance with a hose connection or use a liquid filled pressure gauge Pressure pulses if there is a risk mount a pulsation damper Warning pressure pulses cause a considerable shortening of the operating life of pressure gauges Pressures greater than operating pressures OP Otherwise use a pressure relief valve Temperatures greater or less than opera
6. perty or persons as well as for the consequence for example of lost production resulting from failure to observe the instructions in this leaflet Pressure Measurement and Monitoring PDPO2 Differential pressure gauge with diaphragm sensing system and two measuring chambers e Low cost design e Made completely of stainless steel gaskets of Viton and PTFE e Available measuring ranges from 0 0 6 bar to 0 16 bar e Max static pressure 20 bar e High overload protection max 4 x measuring range end value e Housing diameter 100 or 160 mm e Designs for all types of installations available Description Model PDPO2 differential pressure gauges have two measur ing chambers which are separated by a diaphragm The dif ference in pressure between both chambers causes the dia phragm to deflect the result of which is indicated by the movement of the needle relative to the gauge scale These devices are made completely of stainless steel with gaskets of Viton and PTFE and available in housing diameters of 100 mm or 160 mm Housing designs are available for essentially all possible types of installations z PKP Process Instruments Inc 10 Brent Drive Hudson MA 01749 4 1 978 212 0006 1 978 568 0060 Email info pkp eu Internet www pkp eu Typical Applications Model PDPO2 differential pressure gauges are primarily used in the following areas of application Filter monitoring Petroche
7. table Measuring Ranges 20 C to 80 C Class 2 5 Protection type IP65 Media temperature Accuracy PKP Process Instruments Inc E 10 Brent Drive Hudson MA 01749 1 978 212 0006 X 1 978 568 0060 Email info pkp eu Internet www pkp eu Abmessungen PDPO2 K for mounting on piping connection on bottom PDP0O2 L for surface mounting with rim flange on back side connection on bottom 101 5 80 11 Housing diameter mm 100 162 I co gt m Oo ide 89 20 101 5 wo CO IRID Housing diameter mm 100 162 i CO op CO gt ow CO i E TO MIA O on ND l Housing diameter mm PDP02 M for mounting on piping connection on back PDPO2 N for panel mounting with three hole bezel connection on back w gt m h Co oo on GD Tm l oO U IT gt on _ _h PDPO2 0 gt Ro on 101 5 for panel mounting with three hole bezel connection on bottom Co TM 1 JJO JJ Waa cn ep oOo R gt On ges PKP Process Instruments Inc PKP Prozessmesstechnik GmbH 10 Brent Drive Hudson MA 01749 BorsigstraBe 24 D 65205 Wiesbaden 4 1 978 212 0006 X 1 978 568 0060 amp 49 0 6122 7055 0 amp 49 0
8. ting temperatures OT If there is a risk use a siphon mount or mount with hose connection to respect the temperature at the pressure gauge NOTE Failure to observe the conditions above may reduce pressure gauge safety In such cases contact us DISASSEMBLY During disassembly check that the pressure gauge is no longer under pressure As a precaution disassemble it slowly Check that the temperature of the pressure gauge body is not sufficient to cause burning Check that residues of the product present in the tube and block of the pressure gauge are not dangerous for the operator and the environment MAINTENANCE The general safety of a facility often depends on the reliability of indications on the pressure gauges installed in the facility Any pressure gauge that seems to be giving false readings must be removed immediately then tested If the tests prove it is unreliable it must be replaced with a new device Periodic verifications should be carried out to check the accuracy of pressure gauges Any pressure gauge considered to have been subjected to abnormal conditions of use e g fire wrong fluid blows etc must not be used MAINTENANCE VERIFICATION OR RECALIBRATION MUST BE CARRIED OUT BY PERSONNEL APPROVED BY THE CONSTRUCTOR AND USING SUITABLE EQUIPMENT IMPORTANT The instructions in this leaflet must be strictly followed The manufacturer declines all responsibility for any direct or indirect damage to pro
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