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Mess-, Regel- und
Überwachungsgeräte
für Haustechnik,
Industrie und Umweltschutz

Lindenstraße 20
74363 Güglingen
Telefon  +49 7135 102-0
Service  +49 7135-102-211
Telefax  +49 7135-102-147
[email protected]
www.afriso.com

Read instructions before using product!

Observe all safety information!

Keep instructions for future use!

02.2017 0
854.001.0336

Operating instructions

Bourdon tube pressure gauges
Capsule pressure gauges
Diaphragm pressure gauges
Spring diaphragm pressure gauge for differential
pressure
D0, D1, D2, D3, D4, D5, D6, D7, D8, D9

Nominal size: 40, 50, 63, 80, 100, 160, 250

Содержание D0

Страница 1: ...nfo afriso de www afriso com Read instructions before using product Observe all safety information Keep instructions for future use 02 2017 0 854 001 0336 Operating instructions Bourdon tube pressure gauges Capsule pressure gauges Diaphragm pressure gauges Spring diaphragm pressure gauge for differential pressure D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 Nominal size 40 50 63 80 100 160 250 ...

Страница 2: ...re gauge 10 3 3 Measuring principle diaphragm pressure gauge 10 3 4 Measuring principle spring diaphragm pressure gauge differential pressure 10 4 Selection criteria 10 4 1 Range 11 4 2 Properties of the media 11 4 3 Ambient conditions 12 4 4 Overload 13 4 5 Accuracy classes 13 4 6 Connection 14 4 7 Nominal sizes 14 4 8 Cleanliness 14 5 Technical specifications 15 5 1 Approvals tests and conformit...

Страница 3: ...34 9 5 Overpressure safety devices 34 9 6 Pressure gauge with maximum pointer 35 9 7 Electrical contacts 35 10 Type code design numbers 38 11 Maintenance 39 12 Decommissioning disposal 40 13 Returning the device 41 14 Spare parts and accessories 41 15 Warranty 41 16 Copyright 41 17 Customer satisfaction 42 18 Addresses 42 19 Appendix 43 19 1 EU Declaration of Conformity 43 19 2 Information on the ...

Страница 4: ...ly available for reference Always hand this manual over to future owners or users of the product 1 1 Precautions WARNING WORD Type and source of the hazard are shown here Precautions to take in order to avoid the hazard are shown here Warning word Meaning WARNING Possibly imminent danger Failure to observe the information may result in death or severe injuries CAUTION Dangerous situation Failure t...

Страница 5: ...eal Tri Clamp ISO 2852 RF63Ch D9xx RF100E D9xx with MD60 1 MD60 2 are additionally suitable for highly viscous perishable and hot media These Bourdon tube pressure gauges are particularly suitable for use in the food and beverages industry for example for milk and dairy products Capsule pressure gauges Capsule type pressure gauges may only be used to display the pres sure of dry gaseous media Diap...

Страница 6: ...is neither subjected to pressure surges nor to pressure fluctuations Pressure gauges with switching contacts may only be used in certi fied intrinsically safe circuits as per EN 60079 11 Any use other than the application explicitly permitted in this instruc tion manual is not permitted 2 2 Predictable incorrect application The pressure gauges must never be used in the following cases Measurement ...

Страница 7: ...er oxidising process fluids High concentration fluorine liquids and chlorinated liquids for example halocarbon are suitable for such applications You must observe all pertinent directives and guidelines in the case of refrigerating systems compressors etc as well as hazardous substances such as Oxygen Acetylene Flammable substances Explosive substances Toxic substances After an external fire measu...

Страница 8: ...ure to observe the technical instructions guidelines and recommendations The manufacturer or the sales company shall not be liable for costs or damages incurred by the user or by third parties in the usage or application of this product in particular in case of improper use of the product misuse or malfunction of the connection malfunction of the product or of connected products The manufacturer o...

Страница 9: ...he Bourdon tubes usually consist of copper alloys or alloyed steel Because of their sturdiness and the easy handling the Bourdon tube pressure gauge is the most commonly used pressure gauge in tech nical pressure measurement Bourdon tube pressure gauge NS50 with inductive contact The inductive contacts used in RF50 Ex IK1 2 RF50 IK1 2 pressure gauges are non contacting electric displacement pick u...

Страница 10: ...to be measured is applied at one side The deflection of the diaphragm is proportional to the pressure 3 4 Measuring principle spring diaphragm pressure gauge dif ferential pressure The pressures act on two pressure chambers separated by an elas tic diaphragm If there are different pressures in the chambers the diaphragm is axially displaced against a compression spring This is transmitted to the m...

Страница 11: ...et cross section which leads to a delay of the pressure change in the measuring element The susceptibility to dirt is a disadvantage of such arrangements Damping elements at the movement delay the pointer motion and cause increased wear of the movement Liquid filling cause a damping of the measuring element and de creases the wear of the moving parts Excessively high temperatures of the fluid in t...

Страница 12: ... gauge In the case of heavy or unsteady vibrations at the installation point install the pressure gauge in a separate location and con nect it by means of flexible lines Ambient temperature The error limit indicated on the dial applies to an ambient tempera ture of 20 C Different temperatures have an influence on the accu racy the influence depends on the measuring system According to EN 837 1 a d...

Страница 13: ...ragm pressure gauges may be used up to a maximum static pressure of 25 bar Use a pressure gauge whose full scale value is greater than the maximum differential pressure 4 5 Accuracy classes The accuracy class is the error limit in percent of the measuring range The error limit applies to both positive and negative devia tions based on the measured value EN 837 1 chapter 6 specifies the error limit...

Страница 14: ...pecial industries and applications must be agreed upon 4 7 Nominal sizes The nominal size according to EN 837 1 3 relates to the housing di ameter in mm The following nominal sizes are standardised 40 50 63 80 100 160 and 250 4 8 Cleanliness Certain applications require pressure gauges which must have been cleaned in a special way prior to shipment for example free from oil and grease free from si...

Страница 15: ...th reference to the full scale value Operating frequency in hazardous areas EX areas Max 0 1 Hz Operating temperature range Ambient 20 C to 60 C Fluid Max 60 C for liquid filled devices and devices with soft soldered Bourdon tubes Max 100 C for non filled devices with hard soldered or welded bourdon tube Storage 40 C to 70 C Application area with static load Up to full scale value Type D4 D5 D8 Ty...

Страница 16: ...ull scale value Connection Clamp as per ISO 2852 Nominal diameter DN 1 DN 1 DN 2 DN 2 DN 3 Surface roughness Ra 0 8 wetted surfaces Accuracy Cl 1 6 as per EN 837 1 at 20 C cl 1 0 on request Mounting position Vertical NL90 5 as per DIN 16257 Materials All wetted parts 316 L 1 4404 1 4435 Pressure gauge connec tion 1 4571 1 4404 Housing crimped bezel 1 4301 Filling plug PUR Window Safety glass polyc...

Страница 17: ...pressure Max full scale value Overpressure safety Short term 1 15 x Connection G B or 18 NPT as per EN 837 1 Width across flats spanner SW 14 Accuracy Cl 1 6 as per EN 837 1 at 20 C Switching accuracy 2 5 of full scale value Mounting position Vertical NL90 5 as per DIN 16257 Connection cable RF50 Ex IK1 2 RF50 IK1 2 2 m LiYY blue 2 x 0 14 mm 2 m LiYY grey 2 x 0 25 mm Pin assignment Grey cable Blue...

Страница 18: ...rature approx 0 06 K Falling temperature approx 0 06 K indication error when the temperature of the measuring system deviates from the normal temperature of 20 C with reference to the full scale value Operating frequency in hazardous areas EX areas Max 0 1 Hz Operating temperature range Ambient 20 C to 60 C Fluid Max 60 C for liquid filled devices and devices with soldered diaphragms made of coppe...

Страница 19: ...emperature approx 0 08 K Falling temperature approx 0 08 K indication error when the temperature of the measuring system deviates from the normal temperature of 20 C with reference to the full scale value Operating frequency in hazardous areas EX areas Max 0 1 Hz Operating temperature range Ambient 20 C to 60 C Fluid Max 60 C for liquid filled devices Max 100 C for non filled devices Storage 40 C ...

Страница 20: ... C Fluid Max 60 C Attention Fluid must not freeze Storage 40 C to 70 C See the current AFRISO catalogue or www afriso com for additional technical specifications 5 1 Approvals tests and conformities Bourdon tube pressure gauges comply with the European standard for pressure measuring instruments EN 837 1 capsule pressure gauges and diaphragm pressure gauge comply with EN 837 3 Pressure gauges with...

Страница 21: ...Safety information on mounting For pressure gauge with blow out device The blow out device must not be blocked by parts or by dirt The distance between the blow out device and other objects must be at least 20 mm Never hold the housing of a pressure gauge when mounting or dismounting it In order to avoid damage to the pressure gauge always use a suitable spanner to apply the tightening torque to t...

Страница 22: ... ρM Density of measured fluid kg m ρL Density of air 1 205 at 20 C kg m g Gravitational acceleration mean value 9 81 m s h Height difference m The displayed value is reduced by p if the pressure gauge is at a higher level than the pressure tap piece it is increased by p if the pressure gauge is at a lower level If a static liquid column acts on the pressure gauge verify cor rect adjustment of the ...

Страница 23: ... of the chemical seal until im mediately before installation Protect the diaphragm from damage during installation Do not touch the diaphragm with pointed objects Mount the unit only to a suitable clamp connection piece with suitable clamp and sealing ring as per ISO 2852 Protect the diaphragm from damage after disassembly use a suitable protective plastic cap if possible 1 Pressure gauge with che...

Страница 24: ... Seal the sealing surface with suitable flat gaskets as per EN 837 1 chapter 7 3 6 profile gaskets see chapter 14 page 41 or lens shaped rings for the corresponding high pressure connections 1 Sealing surface Fig 4 Cylindrical threads 2 Conical threads Seal the pressure gauge with sealing material such as PTFE tape hemp etc when screwing the threads to gether 1 Sealing in thread Fig 5 Conical thre...

Страница 25: ...512 3 State of fluid Liquid Gaseous State of filling in measuring line Liquid Partially gassing Com pletely evapo rated Gaseous Partially condensed humid Com pletely con densed Examples Conden sate Boiling liquids Liquid gases Dry air Humid air flue gas Steam Pressure gauge above pressure tap point 1 2 3 4 5 6 Pressure gauge below pressure tap point 7 8 9 10 11 Numbers 3 4 5 7 8 and 11 are preferr...

Страница 26: ...EN 837 If no orientation mark is indicated on the dial the pressure gauge must be mounted vertically as per EN 837 Pressure gauge and chemical seal with 3A approval The fluid must be able to flow off Do not mount the pressure gauge and the chemical seal up side down Parts welded to the tank must be mounted flush with the inside wall of the tank 1 The surface roughness Ra of the welding seams must ...

Страница 27: ...m pressure gauges 27 7 4 Connection types Possible connection types for pressure connections Table 8 Cylindrical thread sealing with seal at sealing surface Direct mounting Nipple connection Bevel seat connection Table 9 Conical threads sealing in the thread Direct mounting ...

Страница 28: ...able 10 Mounting type and position of the connection pieces as per EN 837 Direct connec tion Wall mounting Wall mounting 3 hole mounting Clamp fixing Bottom connec tion piece 10 11 12 Not recommended Rear connec tion piece centre 20 21 22 23 Not recommended Rear connec tion piece bottom 30 31 32 33 Not recommended ...

Страница 29: ...pres sure gauge Select a measuring line with a sufficiently large inside diameter to help avoid clogging Run the measuring line with a gradient Provide a drain point at the lowest point in the case of gases and a vent point at the highest point in the case of highly viscous liquids For gases and liquids containing solid particles install a separa tor filter which can be separated from the system b...

Страница 30: ...tic loads for a pressure gauge is in dicated by a maximum value mark as per EN 837 1 chap ter 9 6 7 EN 837 3 chapter 9 6 6 on the dial In the case of fluctuat ing loads pressure gauges with maximum marks at the full scale end may only be subjected to a pressure of 0 9 times the full scale value Pressure gauges with a maximum mark at 75 of the full scale val ue or pressure gauges without a maximum ...

Страница 31: ...put 3 mA 7 Pointer below switching point Contact high resistance current input 1 mA Fig 9 Switching point The switching point is factory adjusted to the centre The switching point can be adjusted manually 1 Turn the adjustment knob counter clockwise by approx to 1 turn 2 Move the adjustment knob in the slot at the housing The switching point is adjusted within the given range The red pointer tip a...

Страница 32: ...see chapter 9 1 page 33 so no pressure is applied to the pressure gauge The pointer must be in the tolerance range indicated by a bar at the zero point 5 In order to check the indication of the pressure gauge during operation disconnect it from the process by means of the re quired shut off unit with test connection see chapter 9 1 page 33 and apply test pressure 8 1 Dismounting the pressure gauge...

Страница 33: ...ine is closed and the measuring device is connected to atmospheric pressure The zero point can be checked Operation The supply line is open and process pressure is ap plied to the measuring device Blow out The supply line is open the fluid is discharged into the atmosphere The measuring device is out of operation Valves for example as per DIN 16270 16271 usually feature a bleed screw between the v...

Страница 34: ...neutral liquid is used to transmit the pressure to the measuring element 1 Select this pressure transmission liquid according to the meas uring range temperature viscosity compatibility of the liquid and the fluid to be measured and other factors 2 The installation of a cooling element between chemical seal and pressure gauge is advised so that the pressure transfer liquid can withstand the temper...

Страница 35: ...exceeding permissible limit values these contacts are classi fied as equipment with safety function safety accessories according to the Pressure Equipment Directive 2014 68 EU As per annex II of the Pressure Equipment Directive CE approval is required in ac cordance with the modules of category IV of the directive Sliding contact A sliding contact is the contact of an auxiliary switch as per EN 60...

Страница 36: ...trolled series MSR contact protection relays Information on the nominal operating voltage the nominal current the switch rating and the switching function are shown on the dial or the nameplate Standards EN 60947 1 EN 60947 1A11 EN 60947 5 1 Inductive contact Inductive contacts have non contacting electric displacement pick ups as per DIN 19234 Inductive contacts are used together with an isolatin...

Страница 37: ... Pressure gauges with reed contacts are especially suitable for switching low voltages in the millivolt or microampere range Howev er they can also be used for higher switching currents With voltages 5 volts the Reed contact is not subject to mechanical wear The switching characteristics of Reed contacts are determined by a hysteresis which depends on design specific influences The hyste resis ren...

Страница 38: ...Plastic with crimped bezel with glycerine filling Plastic D7 Stainless steel 1 4301 with crimped bezel with glycerine filling Plastic or glass D8 Stainless steel 1 4301 with bayonet bezel with glycerine filling Glass D9 Stainless steel 1 4301 with crimped bezel Plastic or glass Table 12 Mounting types Digit 2 Mounting type 0 Bottom connection direct 1 Centre back connection direct 2 Centre back co...

Страница 39: ...lated brass stainless steel 301 Viton 2 Stainless steel Stainless steel 316Ti 316L stainless steel 301 Viton 3 Monel 11 Maintenance Repairs may only be performed by the manufacturer see chapter 13 page 41 Table 14 Maintenance times When Activity At regular intervals Verify the accuracy of the device by trained personnel using suitable equipment Pressure gauge shows signs of dam age Immediately dis...

Страница 40: ...8 Silicone oil 13 02 08 Paraffin oil 13 02 08 Glissofluid A9 13 02 08 2 To protect the environment filling liquid must neither be dis posed of together with the normal household waste nor get into waters or the public drain system Observe all applicable regula tions when disposing of it Have authorised specialised compa nies collect and dispose of the filling liquid 3 Dismount the product see chap...

Страница 41: ...t direc tives The product is free from hazardous substances 2 Enclose proof of decontamination in accordance with all perti nent directives when returning the device 14 Spare parts and accessories Part Part no Profile seal for inner centering for threads G and M 12 x 1 5 material copper 39205 Profile seal for inner centering for threads G and M 20 x 1 5 material copper 39206 15 Warranty The manufa...

Страница 42: ...17 Customer satisfaction Customer satisfaction is our prime objective Please get in touch with us if you have any questions suggestions or problems concerning your product 18 Addresses The addresses of our worldwide representations and offices can be found on the Internet at www afriso com ...

Страница 43: ...Appendix Bourdon tube capsule diaphragm spring diaphragm pressure gauges 43 19 Appendix 19 1 EU Declaration of Conformity ...

Страница 44: ...Appendix 44 Bourdon tube capsule diaphragm spring diaphragm pressure gauges 19 2 Information on the Pressure Equipment Directive ...

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