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Schmidt

Mess- und Regeltechnik

©2021 

Schmidt

Mess- und Regeltechnik 

Fon 0 67 32 - 91 91 20        Fax 0 67 32 - 96 24 42

[email protected]

Operating Manual
Flow Limiter BA, BB, BC, BF

Mechanical flow limiter

B

-E

N

_

BA

-BB

-BC

-BF

-20211021

11

Additionally, the owner is responsible for 
ensuring that the device is always kept in a 
technically perfect condition. The following 
therefore applies:

▪

The owner must implement suitable safety 
measures, appropriate to the media used.

▪

Different media have different severities of 
influence on the soiling and wear of/to the 
device. The owner must set suitable 
maintenance intervals, depending on the 
media flowing through the device..

▪

The owner must ensure that the maintenance 
intervals described in these Operating 
Instructions are adhered to at all times.

▪

The owner must ensure that the device is 
completely free of all residual media before 
disposal. Remains of corrosive or toxic 
materials must be neutralized.

3 Design and function
3.1 Overview

Fig. 2: Overview Flow limiter

1 Device body (BF = Flange)
2 Regulating star
3 Cone
4 Rivet
5 Retaining ring

3.2 Device description

The flow limiters of the series BA, BB, BC and BF 
limit the flow of water through pipelines. They 
keep the flow rate constant in case of fluctuations 
in the flow rate. The flow limiters operate purely 
on a mechanical principle and do not require any 
auxiliary electrical energy.

The flow limiters use a regulating star. This 
regulating star is deflected if the pressure 
difference in the device increases. This limits the 
cross-section where the flow can pass through. 
The flow limiters work in a control pressure
range between 2 and 10 bar / 29 and 145 psi.

Applications for the flow limiters BA, BB, BC and 
BF are e. g. water supply for machines and 
equipment, irrigation, water treatment. The flow 
limiter ensures that an almost constant flow rate 
is achieved.

4 Transport, packaging and storage
4.1 Safety instructions for transport

Improper transport

Notice!

The device could be damaged if transported 
improperly!

Objects to be transported may fall or overturn if 
transported improperly. This may result in 
damage to the device and/or property.

▪

Proceed carefully when unloading transported 
packages, both on delivery and when 
transporting inhouse. Observe the symbols 
and instructions on the shipping box

▪

Remove packaging material just prior to 
assembly

Содержание BA

Страница 1: ...n 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 1 High reliability Installation in any orientation Suitable for hot water Thread connection flange connection ...

Страница 2: ... and instructions in this manual have been compiled under consideration of the valid standards and regulations the current state of technology and our many years of knowledge and experience The manufacturer does not accept any liability arising from non observance of any details in these instructions improper use of the device or use that is not in accordance with these instructions use of non tra...

Страница 3: ...cordance with these instructions 6 2 3 Special precautions 7 2 3 1 Mechanical hazards 7 2 3 2 Hazards from high or low temperatures 8 2 3 3 Hazards caused by media 8 2 4 Personnel requirements 8 2 5 Personal safety equipment 9 2 6 Environmental protection 9 2 7 Responsibility of the owner 10 3 Design and function 11 3 1 Overview 11 3 2 Device description 11 4 Transport packaging and storage 11 4 1...

Страница 4: ...6 Operation 16 6 1 Operation basics 16 7 Troubleshooting 17 7 1 Safety 17 7 2 Troubleshooting guide 18 8 Maintenance 19 8 1 Safety 19 8 2 Maintenance table 19 8 3 Removal from the pipe system 19 8 4 Measures to be taken after maintenance work 20 9 Disassembly and disposal 21 9 1 Safety 21 9 2 Disassembly 21 9 3 Return materials 21 9 3 1 Return materials authorization 21 9 4 Disposal 21 10 Technica...

Страница 5: ...ovisions Warranty and guarantee provisions are contained in the general terms and conditions of the manufacturer 1 3 Customer service For technical support please contact our customer service department Furthermore our staff is always interested in receiving new information and experiences gained from application of the device which may be useful in improving our products info schmidt messtechnik ...

Страница 6: ...tion for efficient and failure free operation Signs used in these instructions The following signs and highlightings are used in these instructions to identify handling instructions the description of results lists enumerations references and other elements 1 Designates step by step handling instructions Designates a state or an automatic sequence as a result of a specific operating step Designate...

Страница 7: ...aining solids or abrasives Use the flow limiter only with media previously approved by the manufacturer All claims for damages due to incorrect usage are excluded 2 3 Special precautions To reduce health risks and prevent dangerous conditions observe the safety instructions listed here as well as the safety instruction in the other chapters of these Operating Instructions These operating instructi...

Страница 8: ...used by media Hazardous media Warning Risk of injury from hazardous media If the flow monitor is used for toxic corrosive or very hot cold media there is a risk of serious injury from escaping media Observe details in the safety data sheet of the media Comply with the safety accident prevention and environmental protection regulations appropriate to the media used Wear personal protective equipmen...

Страница 9: ...ed within the work area Description of personal safety equipment As specified in the Safety Data Sheet of the medium protective equipment must be worn when handling hazardous media In addition the specifications of the system operator must be followed If no protective equipment is specified suitable protective gloves and goggles must be worn The protective equipment is used to protect against haza...

Страница 10: ...ially in regard to the media used He must then implement these within Operating Instructions for use of the device For the USA The Occupational Health and Safety Act of 1970 stipulates that it is the duty of the owner to provide a safe workplace He must hereby ensure that the device is operated and main tained compliant to valid commercial industry al local federal and state laws standards and reg...

Страница 11: ...ng ring 3 2 Device description The flow limiters of the series BA BB BC and BF limit the flow of water through pipelines They keep the flow rate constant in case of fluctuations in the flow rate The flow limiters operate purely on a mechanical principle and do not require any auxiliary electrical energy The flow limiters use a regulating star This regulating star is deflected if the pressure diffe...

Страница 12: ...sion and other damages until they are installed Do not discard the packaging and only remove the device from the shipping box immediately before installation Handling packaging materials Dispose of packaging material in accordance with the valid legal regulations and local ordinances Notice Danger to the environment due to incorrect disposal Packaging is made of valuable raw materials and can be r...

Страница 13: ...d of obstructions before commencing work Handle open or sharp edged components carefully Ensure that the assembly location is orderly and clean Parts and tools lying about or on top of each other are potential causes for accidents Assemble components properly Observe the stipulated tightening torque of screws Before initial startup make sure that all installation work has been performed and comple...

Страница 14: ... device We recommend unimpeded flow sections type BS 228 An unimpeded flow section of 10 x DN rated width must be maintained before the device An unimpeded flow section of 5 x DN rated width must be maintained after the device Unimpeded outlet If the pipe system ends at an unimpeded outlet the flow limiter must not be installed directly in front of the opening The device must always be completely ...

Страница 15: ...system that are either very hot or very cold Always wear heat resistant or cold resistant protective work clothing and protective gloves when working near hot or cold surfaces Warning Risk of injury from media in the pipe system If the pipeline contains toxic or other hazardous media severe injury may be caused by escaping media Before installation ensure that the pipeline is empty and does not co...

Страница 16: ...troy the device This may result in serious injury to the user Warning 2 Ensure that the medium is flowing continuously Pulse like staggered loads could destroy the device This may result in serious injury to the user Notice 3 Completely fill the pipelines Partial filling s may result in malfunctions and damage to the device Notice 4 Vent the pipeline If there are air pockets in the line during the...

Страница 17: ... or on top of each other are potential causes of accidents If components have been removed observe correct assembly procedures Reinstall all fixing fastening elements and observe the prescribed tightening torque for the screws Before placing the device back into operation ensure that all work has been performed and completed in compliance with the specifications and instructions in these Operating...

Страница 18: ...ik 2021 Schmidt Mess und Regeltechnik Fon 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 18 7 2 Troubleshooting guide ...

Страница 19: ...l and replacement of defective parts Notice Disassembling the device is prohibited Disassembling the device will void the warranty Disassembly and replacement of defective parts may only be performed by the manufacturer Only maintenance work is allowed which does not require disassembly The device must be returned to the manufacturer for maintenance requiring disassembly The following maintenance ...

Страница 20: ...ase of hazardous media this could result in serious injury When removing de installing the device from the pipe system always wear personal protective equipment All requirements specified in the media safety data sheet must be observed in accomplishing the work task Residue of hazardous media in the device can result in serious injury Removing the device from the pipe system Personnel Qualified pe...

Страница 21: ...emove operating materials and packaging and dispose of properly Notice Disassembly of the device is not permitted except for disposal Personnel Qualified personnel Protective equipment As specified in the Safety Data Sheet of the medium protective equipment must be worn when handling hazardous media In addition the specifications of the system operator must be followed If no protective equipment i...

Страница 22: ...rrect disposal Have electrical scrap electronic components lubricants and other supplies disposed of by approved specialists In case of doubt obtain information on environmentally safe disposal from the local authority or special disposal expert 10 Technical data 10 1 Device data plate The data plate is on the mechanical part of the flow monitor flowmeter flow limiter and contains the following in...

Страница 23: ...ik Fon 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 23 10 3 General specifications BA Abb 4 Dimension sheet BA Flow rates 1 30 l min in 1 l min steps i ...

Страница 24: ...und Regeltechnik Fon 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 24 Fig 5 Dimension sheet BB Flow rates 1 30 l min in 1 l min steps i BB ...

Страница 25: ...n 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 25 Fig 6 Dimension sheet BC Between Qmin and Qmax the flow rate increases or decreases in 1 l min steps i BC ...

Страница 26: ...k 2021 Schmidt Mess und Regeltechnik Fon 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 26 Fig 7 Dimension sheet BF BF ...

Страница 27: ...chnik Fon 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 27 Between Qmin and Qmax the flow rate increases or decreases in 1 l min steps Technical data ...

Страница 28: ...echnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 11 Annex 11 1 Replacement parts The following replacement parts drawings provide an example of the construction of a BA type flow limiter and a BF type flow limiter The actual configuration may vary depending on the model 28 ...

Страница 29: ...nd Regeltechnik 2021 Schmidt Mess und Regeltechnik Fon 0 67 32 91 91 20 Fax 0 67 32 96 24 42 info schmidt messtechnik de Operating Manual Flow Limiter BA BB BC BF Mechanical flow limiter B EN_BA BB BC BF 20211021 29 ...

Страница 30: ...BF Mechanical flow limiter B EN_BA BB BC BF 20211021 30 11 2 Sealant Before using a sealant ensure that it is compatible with the media used and that it can be employed under the given operating conditions Ensure proper seal Use a suitable sealant Liquid sealants will damage the flow limiter if they flow into the device Always follow the sealant manufacturers instructions i ...

Страница 31: ...tions and technical standards apply All illustrations in this operating manual serve the basic understanding Photos can be examples of a variant The illustrations may differ from the actual design of the units No claims can be deduced from any deviations The device has been designed and constructed exclusively for the intended use described here Persons installing operating or maintaining this dev...

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