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Summary of Contents for Kracht VC PULSE Series
- Page 1 D.0046020002 Operating Instructions (Translation) VC PULSE English 03 • 04/01/2021...
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Page 2: Table Of Contents
Kracht GmbH 1 General ................................ 4 About the documentation ............................... 4 Manufacturer address................................ 4 Applicable documents................................ 4 Symbols ...................................... 5 2 Safety................................... 6 Intended use.................................... 6 Personnel qualification and training ............................ 6 Basic safety instructions................................ 7 Fundamental hazards................................. 7 3 Device description.............................. 9 Functional principle .................................. - Page 3 Kracht GmbH 7 Operation start-up ............................ 34 Safety instructions for start-up ............................ 34 Preparation.................................... 34 PIN assignment .................................. 34 Signal lines .................................... 34 Further operation start-up.............................. 35 8 Removal................................ 36 Safety instructions for removal ............................ 36 Removal...................................... 37 9 Maintenance .............................. 38 Safety instructions for maintenance .......................... 38 Maintenance work.................................. 39 9.2.1 Cleaning - Desposits in the measuring device ....................
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Page 4: General
1 | General Kracht GmbH 1 General 1.1 About the documentation These operating instructions describe the installation and operation of the following device: Gear type flow meter VC PULSE These operating instructions are a component of the device and must be kept accessible for the personnel near the device at all times. -
Page 5: Symbols
Kracht GmbH General | 1 1.4 Symbols DANGER Identification of an immediate hazard, which would result in death or severe bodily injury if not avoided. WARNING Identification of a potential medium risk hazard, which would lead to death or severe bodily injury if not avoided. -
Page 6: Safety
2 | Safety Kracht GmbH 2 Safety 2.1 Intended use 1. The device has been designed for operation with fluid. Dry operation is not permitted. 2. The product may only be operated when completely filled. 3. The fluid must be compatible with the materials used in the product. Chemical expertise is required for that. -
Page 7: Basic Safety Instructions
Kracht GmbH Safety | 2 2.3 Basic safety instructions NOTICE Basic safety instructions Non-compliance can lead to hazards for people and the unit. a) Follow existing regulations for accident prevention and safety at work as well as the in- ternal regulations of the operating company. - Page 8 2 | Safety Kracht GmbH WARNING Failure of pressure bearing parts due to overload Risk of injury from flying parts. Risk of injury due to splashing fluids. a) Depressurize the system before all work. b) Securely prevent the pressure from being restored during work.
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Page 9: Device Description
Kracht GmbH Device description | 3 3 Device description 3.1 Functional principle The measuring unit is driven by the flow of fluid based on the principle of a gear motor. The gears run in a contactless manner in the measuring chamber. The lowfriction bearings or plain bearings act as the bearing elements. -
Page 10: Basic Design
3 | Device description Kracht GmbH 3.2 Basic design 1 Cover 6 Housing 2 Magnet 7 Gears 3 A-magnetic divider 8 Bearing journal 4 Magnetic rotary encoder 9 Bearing 5 O-ring 10 / 46 88046020002... -
Page 11: Type Key
Kracht GmbH Device description | 3 3.3 Type key Ordering example Explanation of type key 1. Product name 2. Nominal size (Rated volume) 0.025; 0.04; 0.1; 0.2; 0.4; 1; 3; 5; 12; 16 3. Bearing Ball bearing Ball bearing (increased clearance ) - Page 12 3 | Device description Kracht GmbH Explanation of type key With 2 m Cable With 10 m Cable 11. Electrical connection Aluminium terminal box (M12x1); Hirschmann plug (Standard) ext. electronics decoupeable Hirschmann plug Without (M12x1/-4pole) Aluminium terminal box Encoder 512 Imp/U...
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Page 13: Technical Data
Kracht GmbH Technical data | 4 4 Technical data 4.1 General General information Design Gear motor Housing connection Plate connection / Pipe connection Mounting position Flow direction Viscosity ν depending on the product (perm. contin- ous pressure) Operating pressure Operating pressure... -
Page 14: Overview Nominal Sizes
4 | Technical data Kracht GmbH Linearized measur- [µm] ing accuracy ± 0.3% Ball bearing from 20 mm²/s 50 ( 224) Ball bearing ± 0.5% (increased clearance) from 50 mm²/s ± 1% Hybrid ball bearing from 20 mm²/s ± 0.5% Carbide plain bearing from 100 mm²/s... -
Page 15: Overview Connection Sizes
Kracht GmbH Technical data | 4 4.3 Overview connection sizes Nominal size Special number Type of connection (Pipe connec- (Plate structure) tion) With Connection Without Con- plate nection plate MVC .. R. B. G3/8 0.025 G1/8 MVC .. R. C. - Page 16 4 | Technical data Kracht GmbH Nominal size Special number Type of connection (Pipe connec- (Plate structure) tion) With Connection Without Con- plate nection plate G 1 1/2 MVC .. V. E. SAE 1“ – 6000 psi MVC .. V. F.
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Page 17: Flow Resistance Δp
Kracht GmbH Technical data | 4 4.4 Flow resistance Δp 4.4.1 Ball bearings VC 0.025 VC 0.04 VC 0.1 88046020002 17 / 46... - Page 18 4 | Technical data Kracht GmbH VC 0.2 VC 0.4 VC 1 18 / 46 88046020002...
- Page 19 Kracht GmbH Technical data | 4 VC 3 VC 5 VC 12 VC 16 88046020002 19 / 46...
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Page 20: Plain Bearings
4 | Technical data Kracht GmbH 4.4.2 Plain bearings VC 0.025 VC 0.1 20 / 46 88046020002... - Page 21 Kracht GmbH Technical data | 4 VC 0.2 VC 0.4 VC 1 88046020002 21 / 46...
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Page 22: Operating Pressure
4 | Technical data Kracht GmbH VC 3 VC 5 4.5 Operating pressure Nominal size Special number Maximum allowable Sound pressure level pressure p [bar] [dBA] [bar] 0.025 0.04 ≤ 60 ≤ 70 ≤ 72 ≤ 80 v =34 mm²/s ; p = 5 – 15 bar... -
Page 23: Permissible Temperature Range
Kracht GmbH Technical data | 4 4.6 Permissible temperature range Fluid temperature ϑ [°C] ϑ [°C] m min m max EPDM Sealing material FFKM FVMQ Carbide plain bear- Bronze plain bear- ings Bearing Ball bearing Ball bearing ( increased clear-... -
Page 24: Material Data
4 | Technical data Kracht GmbH 4.7 Material data Nominal Special Material size number Seal Housing/End cover Measuring Bearing unit 0,025 Ball bearing : 0,04 Anti-friction bearing steel EN-GJS-400-15 (GGG-40) - - - - - - Stainless steel EPDM Stainless steel (1.4404) -
Page 25: Weight
Kracht GmbH Technical data | 4 4.8 Weight Nominal size Special number Weight [kg] Added weight Pipe connection Plate structure Connection plate [kg] EN-GJS-400-15 0.04 (GGG-40) : 2.0 (MVC ... B 04) - - - (MVC ... B 05) EN-GJS-400-15 (GGG-40) : 2.0... -
Page 26: Dimensions
4 | Technical data Kracht GmbH 4.9 Dimensions 26 / 46 88046020002... -
Page 27: Transport And Storage
Kracht GmbH Transport and storage | 5 5 Transport and storage 5.1 General a) After receipt, check the device for transport damages. b) If transport damage is noticed, report this immediately to the manufacturer and the car- rier. The device must then be replaced or repaired. -
Page 28: Storage Conditions
5 | Transport and storage Kracht GmbH 5.3 Storage conditions TIPP Recommended storage conditions a) Storage temperature: 5 °C – 25 °C b) Relative air humidity: < 70 % c) Protect elastomer parts from light, especially direct sunlight. d) Protect elastomer parts from oxygen and ozone. -
Page 29: Installation
Kracht GmbH Installation | 6 6 Installation 6.1 Important notes about explosion protection DANGER Hazardous fluids Danger to life when handling hazardous fluids. a) Comply with the safety data sheets and regulations on handling the hazardous fluids. b) Collect and dispose of hazardous fluids so that no hazard is created for persons or the environment. -
Page 30: Mechanical Installation
6 | Installation Kracht GmbH CAUTION Hot surfaces Burn injury to skin if touched. a) Maßnahmen gegen unbeabsichtigtes Berühren von heißen Oberflächen (> 60 °C) treffen. 6.2 Mechanical installation 6.2.1 Preparation a) Check the product for transport damage and contamination. b) Remove any preservative present. - Page 31 Kracht GmbH Installation | 6 a) Position the housing on the connection plate. ð Make sure that the seal fit properly. ð The contact surface must be free of dirt, residual paint etc. b) Tighten all fastening screws with the specified torque.
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Page 32: Pipe Connection
6 | Installation Kracht GmbH 6.2.3 Pipe connection a) Clean all lines. ð Do not use cleaning wool. ð Pickle and flush welded pipes. b) Remove the protective plugs. c) Mount the lines. ð Comply with the manufacturer's information. ð Do not use any sealing materials such as hemp, Teflon tape or putty. -
Page 33: Electrical Connection
Kracht GmbH Installation | 6 6.3 Electrical connection ATTENTION The power supply line must match the used preamplifier. Electrical data Number of measuring channels = 11 - 30 V DC Operating voltage Reverse-polarity protection Impulse amplitude ≥ 0.8 Impulse shape with symmetrical output Rectangular , Pulse duty factor / signal Channel 1:1 ±15 %... -
Page 34: Operation Start-Up
7 | Operation start-up Kracht GmbH 7 Operation start-up 7.1 Safety instructions for start-up DANGER Hazardous fluids Danger to life when handling hazardous fluids. a) Comply with the safety data sheets and regulations on handling the hazardous fluids. b) Collect and dispose of hazardous fluids so that no hazard is created for persons or the environment. -
Page 35: Further Operation Start-Up
Kracht GmbH Operation start-up | 7 7.5 Further operation start-up a) Open existing shut-off elements upstream and downstream of the device. b) Adjust pressure relief valves in the system installed for lowest opening pressure. c) Run the device for a few minutes depressurised or with low pressure. -
Page 36: Removal
8 | Removal Kracht GmbH 8 Removal 8.1 Safety instructions for removal DANGER Hazardous fluids Danger to life when handling hazardous fluids. a) Comply with the safety data sheets and regulations on handling the hazardous fluids. b) Collect and dispose of hazardous fluids so that no hazard is created for persons or the environment. -
Page 37: Removal
Kracht GmbH Removal | 8 8.2 Removal a) Depressurise and de-energize the system. b) Close existing shut-off elements upstream and downstream of the device. c) Open existing drain elements and loosen connection lines. Collect and dispose of dis- charging medium so that no hazard arises for persons or environment. -
Page 38: Maintenance
9 | Maintenance Kracht GmbH 9 Maintenance 9.1 Safety instructions for maintenance DANGER Hazardous fluids Danger to life when handling hazardous fluids. a) Comply with the safety data sheets and regulations on handling the hazardous fluids. b) Collect and dispose of hazardous fluids so that no hazard is created for persons or the environment. -
Page 39: Maintenance Work
Kracht GmbH Maintenance | 9 9.2 Maintenance work TIPP Checking and documentation of the operating data Regular checking and documentation of all operating data helps to detect faults at an early stage. – Perform maintenance according to specification. – Replace defective and worn components –... -
Page 40: Maintenance Instructions
9 | Maintenance Kracht GmbH 9.3 Maintenance instructions The following information provides recommendations for maintenance work and mainten- ance intervals for the product in use. Depending on the actual loads occurring during operation, the type, scope and interval of the maintenance work may deviate from the recommendations. A mandatory maintenance plan must be drawn up by the installer/operating company. -
Page 41: Maintenance Table
Kracht GmbH Maintenance | 9 9.4 Maintenance table 9.4.1 Maintenance table Additional information 9.4.2 Inspection: Discharge flow 9.4.3 Inspection: Operating pressure 9.4.4 Inspection: Media temper- ature 9.4.5 Inspection: Condition of operating fluid 9.4.6 Audiometric monitoring: Unusual noise 9.4.7 Cleaning 9.4.8 Visual inspection: Leakages 9.4.2... -
Page 42: Inspection: Discharge Flow
9 | Maintenance Kracht GmbH 9.4.2 Inspection: Discharge flow The discharge flow is measured via the flow rate volume counters. The values are displayed by the built-in controller in the electrical control system. – If there is no discharge flow, check the individual components of the product. -
Page 43: Visual Inspection: Condition Of Housing Parts
Kracht GmbH Maintenance | 9 Removal: Cleaning - Desposits in the measuring device. 9.4.10 Visual inspection: Condition of housing parts In this case, attention must be paid to the housing parts of the product. 9.4.11 Visual inspection: Bearing status In this case, attention must be paid to the bearing of the product. -
Page 44: Repairs
10 | Repairs Kracht GmbH 10 Repairs 10.1 Safety instructions for repair DANGER Hazardous fluids Danger to life when handling hazardous fluids. a) Comply with the safety data sheets and regulations on handling the hazardous fluids. b) Collect and dispose of hazardous fluids so that no hazard is created for persons or the environment. -
Page 45: General
Kracht GmbH Repairs | 10 10.2 General The repairs covers: 1. Troubleshooting Determination of damage, pinpointing and localisation of the damage cause. 2. Elimination of damage Elimination of the primary causes and replacement or repair of defective components. The repair is generally made by the manufacturer. -
Page 46: Detecting And Eliminating Failures
10 | Repairs Kracht GmbH 10.3 Detecting and eliminating failures TIPP If the unit does not function properly, the electrical components should be checked first. The measuring instrument must remain in operation for this. Fault Potential causes Possible measures LED display...
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