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OPERATION & MAINTENACE MANUAL 

LPCB APPROVED GAPMETER TYPE SGUV MK.2 

 

OMM1002 

 

© TT electronics plc

 

General Note 

 

TT Electronics reserves the right to make changes in product specification without 
notice or liability.  All information is subject to TT Electronics

’ 

own data and is 

considered accurate at time of going to print.

 

 

Roxspur Measurement & Control LTD.

 PLATON 

 

Issue B     07/2017 

 

TT Electronics | Roxspur Measurement & Control

 

2 Downgate Drive, Sheffield, South Yorkshire, S4 8BT, UK |Ph: +44 (0) 114

-

244

-

2521

 

www.ttelectronics.com | [email protected] 

 

Every effort has been made during the preparation of this document to ensure the accuracy of statements and specifications. However, we do 
not accept liability for damage, injury, loss or expense caused by errors or omissions made. We reserve the right to withdraw or amend                     
products or documentation without notice.

 

Summary of Contents for SGUV MK.2

Page 1: ...Measurement Control LTD PLATON Issue B 07 2017 TT Electronics Roxspur Measurement Control 2 Downgate Drive Sheffield South Yorkshire S4 8BT UK Ph 44 0 114 244 2521 www ttelectronics com RoxspurSales ttelectronics com Every effort has been made during the preparation of this document to ensure the accuracy of statements and specifications However we do not accept liability for damage injury loss or...

Page 2: ...rier Installation Indicator Installation 3 3 3 Recommended Pipeline Configuration 4 Instrument Configuration Horizontal Pipelines 5 Instrument Configuration Vertical Pipelines 6 Operation 7 Maintenance 8 Glass Tube Cleaning or O Ring Glass Tube Replacement Filter Cleaning or O Ring Filter Element Replacement By pass Loop Air Removal 8 8 8 Spares 9 10 Returns Warranty 11 ...

Page 3: ...Indicator by pass loop Principles of Operation The SGUV Mk 2 is a combination of two simple measuring elements 1 Installed in the main pipeline is a sharp edged Orifice mounted in a Carrier ring This assembly produces a pressure drop proportional to the square root of the flow 2 Installed across the main Orifice Carrier assembly is an Indicator by pass loop containing an accurately calibrated Rest...

Page 4: ... Fire Security Products Services Part 5 Automatic Sprinkler Water Spray Deluge Systems Section 6 Direct Reading Flow Meters LPCB Ref NO Nominal Pipe Size mm Flow Range dm3 min Test Flow dm3 min Accuracy Test Flows dm3 min 088a 05 088a 10 088a 06 088a 11 088a 07 088a 12 088a 08 088a 13 088a 09 088a 14 50 80 100 150 200 150 750 300 2300 500 3500 900 8200 2500 12500 500 800 1300 1500 2200 2500 3500 4...

Page 5: ...anges 3 Ensure that the Gaskets not supplies either side of the Carrier has an Inside Diameter I D greater than or equal to the pipe nomi nal bore Also ensure that when assembled no part of the gasket protrudes into the pipeline at any point Grooved Style 1 The Carrier should be mounted to the pipeline using two appropriately specified joints 2 Always lubricate gasket joints so as to avoid pinchin...

Page 6: ...Operation Maintenance Manual OMM1002 4 Page 4 ...

Page 7: ...Operation Maintenance Manual OMM1002 5 Page 5 ...

Page 8: ...Operation Maintenance Manual OMM1002 6 Page 6 ...

Page 9: ... 3 Bleed all air from the Indicator by pass loop before taking any flow readings 4 Make sure that the Isolating Valves J are fully open before taking any flow readings 5 Read the top edge of the Float 6 When not in use the Isolation Valves should be closed and the Indicator by pass loop drained Once the unit has been fully drained all the Bleed Drain Valves should then be closed Page 7 ...

Page 10: ... end connectors by pulling noting which Insert came from which end connector To aid with their removal the plastic wedge can now be used as a sliding wedge 7 Remove 2x old O rings from each insert 8 Care should be taken that the new O rings C1 C2 are not damaged when assembling them to the inserts 9 Moistening the O rings with a suitable lubricant is advisable such that when re assembling to the e...

Page 11: ...he Air has been removed 4 Open the Isolation Valve Spares The instruments should not require maintenance to replace parts if the instrument is used in accordance with these instruc tions However spare parts are available to meet most needs as detailed below For Complete Instruments see Table 4 For Major Assemblies see Table 5 For Components Sub Assemblies see Table 6 Complete assembled Instruments...

Page 12: ...anged Grooved By Pass 50 LPCBC312 LPCB314 LGTF F1 5 LGTF F1 10 LPCB1 80 LPCBC512 LPCB514 LGTF F1 6 LGTF F1 11 100 LPCBC612 LPCB614 LGTF F1 7 LGTF F1 12 150 LPCBC812 LPCB814 LGTF F1 8 LGTF F1 13 200 LPCBC912 LPCB914 LGTF F1 9 LGTF F1 14 Table 5 Major Assemblies The Tube Float assemblies of a particular NB are universal between the 2 Carrier styles Two sets of codes have been included for simplicity...

Page 13: ...of being contaminated they will be returned to you On receipt of the appropriate documentation the goods will be examined and assessed in accordance with the terms of any Warranty agreement Repairs Prior to any repair work being carried out you will be informed of our findings and any charges that may be incurred Replacement Prior to the supply of any replacements you will be informed of our findi...

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