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FPD350 Torbar

Averaging pitot tubes

4 Connecting a Differential Pressure Measuring Instrument

30

OI/FPD350–EN Rev. H

Fig. 4.1 Connection (steam applications only)

DP Isolating Valves

Lagging

Torbar

Head

Process Pipe

Flow

Minimum Slope

25 mm per 300 mm

(1 in. per 12 in.)

3 or 5 Valve Manifold

Impulse Tubing

(Not Lagged)

DP Transmitter

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Содержание FPD350 Torbar

Страница 1: ...Operating instructions OI FPD350 EN Rev H FPD350 Torbar Averaging pitot tubes ...

Страница 2: ...eader in process automation technology we offer customers application expertise service and support worldwide We are committed to teamwork high quality manufacturing advanced technology and unrivalled service and support The quality accuracy and performance of the Company s products result from over 100 years experience combined with a continuous program of innovative design and development to inc...

Страница 3: ... T5 E2 with Flanged End Support Fitting mounting types F3 and F4 11 2 11 Models FPD350 L6 L7 E1 11 2 12 Threaded Model FPD350 L7 E2 13 2 13 Threaded Models FPD350 L6 E1 and FPD350 L7 E1 14 2 14 Threaded Model FPD350 H7 E2 16 2 15 Flanged Models FPD350 H6 H7 H8 E1 18 2 16 Flanged Models FPD350 H7 H8 E2 20 2 17 Flanged Models FPD350 H7 H8 E2 with Flanged End Support Fitting mounting types F3 F4 22 2...

Страница 4: ... which they are designed Any modification to or adaptation of Torbar may invalidate its certification It is the user s responsibility to ensure that adequate protection exists to prevent pressurization in excess of the maximum specified pressure for Torbar even in the event of a fire If there are any queries regarding the instructions in this publication contact either ABB Limited or their accredi...

Страница 5: ...ream side of the flow and are clearly visible from various directions and distances Exceptions to this are Models FPD350 T1 T1 W1 F1 and FPD350 T5 and Direct Mount Head options In addition an arrow is stamped on the head of all Torbar models to indicate direction of flow To prevent noisy signal outputs do not install Torbar in a pulsating flow Vibration also distorts the output signal and affects ...

Страница 6: ...ent clearance to install and remove Torbar Referring to Fig 2 1 install Torbar at right angles to the pipe run across the pipe diameter aligned with the pipe axis Fig 2 2 Torbar Alignment 5 5o o 5º 5º 5º 5º Correct on diameter Incorrect not on diameter Ensure hole or thread is within 5 of perpendicular Flow Vertical Pipe Horizontal Pipe ...

Страница 7: ...the instrument lines contain only steam install Torbar with the instrument connections at or below the centre line of the pipe see Fig 2 5 Filling tees or condensate pots should be fitted as appropriate 2 2 5 Vertical Pipe Mounting All Applications Install only Torbar options PNV and RNV in vertical pipelines To ensure an equal head of gas liquid or steam in both instrument lines Torbar options PN...

Страница 8: ...t the formation of condensate Excessive amounts of condensate forming in the head or fitting assembly has a detrimental effect on the correct functioning of Torbar Extend the lagging to but do not lag the filling tees condensate pots if fitted and isolation valve handles 2 In retractable Torbar installations ensure the lagging is easily removable 3 Ensure the tag plate is positioned outside the la...

Страница 9: ... left exposed under the nut ensuring the Torbar does not turn 12 Check the Torbar is installed correctly and aligned 2 5 Threaded Models FPD350 T4 E2 Install the Torbar as follow 1 Select the required insertion position and mark the pipe 2 Drill a 6 mm 0 24 in pilot hole at the marked position then drill to 28 mm 1 1 in 3 Align the threaded fitting concentrically over the hole and tack weld in pla...

Страница 10: ...ize see Table 2 3 3 Align the thin wall duct mounting plate and gasket concentrically with the hole ensuring the Torbar can pass cleanly through the plate s threaded fitting and into the pipe 4 Drill through the thin wall duct mounting plate fixing holes and gasket into the pipe Do not separate the gasket from the mounting plate 5 Secure the thin wall duct mounting plate and gasket to the pipe wit...

Страница 11: ...ed fitting into the pipe until it enters the opposite fitting 10 Apply appropriate sealant to the threads of the support plug 11 Referring to Fig 2 9 screw support plug A into threaded fitting B and tighten ensuring that a support plug A contacts the Torbar C b the distance between the head of support plug A and the pipe wall does not exceed 60 mm 2 4 in 12 Apply appropriate sealant to the threads...

Страница 12: ...the appropriate size see Table 2 4 4 Insert the Torbar through the flanged pipe fitting stand off into the pipe and check that the tip protrudes through the hole in the opposite pipe wall when the two flanges mate squarely 5 Position the end support cup over the tip of the Torbar ensuring the tip is concentric with the hole and tack weld the end support cup in place 6 Remove the Torbar and complet...

Страница 13: ...rbar enters the integral support cup 15 Fit the flange securing bolts and tighten equally and evenly observing correct procedures appropriate to the flange 2 11 Models FPD350 L6 L7 E1 Install the Torbar as follows 1 Select the required insertion position and mark the pipe 2 Align the threaded fitting over the mark and tack weld in place 3 Using a suitably sized and threaded length of pipe check th...

Страница 14: ...re positioned downstream of the flow see Fig 2 1 page 3 n Fully tighten packing gland D ensuring the Torbar does not turn Check for leaks o Ensure that safety chain F is fully tightened and secure 6 Check the Torbar is installed correctly and aligned Warning During step l maintain continuous pressure on the Torbar to ensure that it remains in contact with the opposite internal wall of the process ...

Страница 15: ...he packing gland isolation valve and process pipe until the tip exits at the opposite fitting e Apply appropriate sealant to the threads of support plug F f Screw support plug F into threaded fitting G and tighten ensuring that it contacts the Torbar g Turn the Torbar until the indentation marks on the head are positioned downstream of the flow see Fig 2 1 page 3 h Fully tighten packing gland D en...

Страница 16: ...head are positioned downstream of the flow see Fig 2 1 page 3 j Tighten the packing gland bolts G equally and evenly until the packing gland is fully sealed ensuring the Torbar is able to slide through it k Carefully open isolation valve B and check for leaks around packing gland D l Drawbolt retraction assembly only turn each drive nut H clockwise alternately until the Torbar passes through isola...

Страница 17: ...50 Torbar Averaging pitot tubes 2 Initial Installation OI FPD350 EN Rev H 15 Fig 2 12 Installation of Threaded Models FPD350 L6 E1 and FPD350 L7 E1 A C F J B D G H K L E Flow Fully Retracted Fully Inserted ...

Страница 18: ... valve B i Drawbolt retraction assembly only turn each drive nut H clockwise alternately until the Torbar passes through isolation valve B and protrudes from the threaded fitting on the opposite side of the process pipe by 25 mm 1 0 in When the Torbar is inserted fully ensure the drawbolts J and stop nuts K are in the positions shown j Drawbolt retraction assembly only tighten lock nuts L k Option...

Страница 19: ...0 Torbar Averaging pitot tubes 2 Initial Installation OI FPD350 EN Rev H 17 Fig 2 13 Installation of Threaded Model FPD350 H7 E2 A C F J B D G H L E M N K Flow Max 60 mm 2 4 in Fully Retracted Fully Inserted ...

Страница 20: ...s able to slide through it k Carefully open isolation valve A and check for leaks around packing gland C l Drawbolt retraction assembly only turn each drive nut G clockwise alternately until the Torbar passes through isolation valve A and contacts the opposite side of the process pipe When the Torbar is inserted fully ensure the drawbolts H and stop nuts J are in the positions shown m Drawbolt ret...

Страница 21: ...ial Installation OI FPD350 EN Rev H 19 Fig 2 14 Installation of Flanged Models FPD350 H6 H7 H8 E2 J F H A C E G D K B Flow Fully Retracted Fully Inserted Flanged Pipe Fitting Stand Off for installation instructions refer to Section 2 18 page 24 ...

Страница 22: ... clockwise until the Torbar protrudes from the threaded fitting on the opposite side of the process pipe by FPD350 H7 E2 40 mm 1 6 in FPD350 H8 E2 65 mm 2 6 in k Place end support cup L over the tip of the Torbar and tack weld it to the process pipe l Reverse step i drawbolt retraction assembly or step j geared retraction assembly and retract the Torbar by 100 mm 4 0 in m Weld end support cup L to...

Страница 23: ...nitial Installation OI FPD350 EN Rev H 21 Fig 2 15 Installation of Flanged Models FPD350 H7 H8 E2 J F H A C E G B D K L Fully Retracted Fully Inserted Flanged Pipe Fitting Stand Off for installation instructions refer to Section 2 18 page 24 ...

Страница 24: ...65 mm 2 6 in k Position the flanged pipe fitting stand off L over the tip of the Torbar ensuring the tip enters the end support stub l Refer to Section 2 18 Steps 3b and 3c on page 24 and tack weld the flanged pipe fitting stand off L in place m Reverse step i drawbolt retraction assembly or step j geared retraction assembly and retract the Torbar by 100 mm 4 0 in n Refer to Section 2 18 Steps 3d ...

Страница 25: ...itial Installation OI FPD350 EN Rev H 23 Fig 2 16 Installation of Flanged Models FPD350 H7 H8 E2 J F H A C E G B D K M L Fully Retracted Fully Inserted Flanged Pipe Fitting Stand Off for installation instructions refer to Section 2 18 page 24 ...

Страница 26: ... correctly aligned with the pipe see Fig 2 2 page 4 and concentric with the hole e Remove the spacers B f Apply a full penetration root run completely around the base of the flanged pipe fitting stand off at the clearly defined weld preparation line D g Make reinforcing welds at the crotch bevelled areas E of the flanged pipe fitting stand off to provide maximum weld at the crotch tapering to a mi...

Страница 27: ...eft exposed under the nut ensuring the Torbar does not turn 7 Check the Torbar is installed correctly and aligned 3 2 Flanged Models FPD350 T3 FPD350 T4 E1 E2 and FPD350 T5 E1 E2 3 2 1 Removing Remove the Torbar as follows 1 Reduce pipe pressure to a safe level and remove all hazardous material 2 Remove the flange securing bolts 3 Remove the Torbar 3 2 2 Refitting Refit the Torbar as follows 1 Pos...

Страница 28: ...suring the safety chain is tight 4 Carefully open isolation valve D and check for leaks around packing gland C 5 Insert the Torbar through isolation valve D until it either touches the opposite internal wall of the process pipe Models L601 and L701 or enters the opposite fitting F Model L702 6 Reposition chain link A to tighten safety chain B 7 Turn the Torbar until the indentation marks on the he...

Страница 29: ... check for leaks around packing gland G 5 Drawbolt retraction assembly only turn each drive nut H clockwise alternately until the Torbar passes through isolation valve D and contacts the opposite internal wall of the process pipe Models FPD350 H6 H7 E1 or enters the opposite fitting F Model FPD350 H7 E2 When the Torbar is inserted fully ensure the drawbolts J and stop nuts K are in the positions s...

Страница 30: ...eaks around packing gland G 5 Drawbolt retraction assembly only turn each drive nut H clockwise alternately until the Torbar passes through isolation valve D and contacts the opposite internal wall of the process pipe Models FPD350 H6 H7 H8 E1 or enters the opposite fitting F Models FPD350 H7 H8 E2 When the Torbar is inserted fully ensure the drawbolts J and stop nuts K are in the positions shown ...

Страница 31: ...connections at an incline of at least 25 mm per 300 mm 1 in per 12 in Liquid applications ensure the tubing from the high and low pressure connections are mounted at the same level in order to balance the head of liquid in both tubes and vent any gas build up 4 3 Purging Torbars can be used successfully for measuring the flow of dirty fluids without purging If purging is necessary periodic purging...

Страница 32: ...l Pressure Measuring Instrument 30 OI FPD350 EN Rev H Fig 4 1 Connection steam applications only DP Isolating Valves Lagging Torbar Head Process Pipe Flow Minimum Slope 25 mm per 300 mm 1 in per 12 in 3 or 5 Valve Manifold Impulse Tubing Not Lagged DP Transmitter ...

Страница 33: ...ot Tube elements have no moving parts and do not normally require routine maintenance However depending on process conditions check Torbar periodically for signs of blockage erosion or corrosion If withdrawal is necessary it must be carried out in accordance with the relevant procedure see Section 3 page 25 ...

Страница 34: ...l or total blockages by testing that pressure is present at both outlets 3 Using a reliable differential pressure source such as a manometer or a calibrated differential pressure cell check the actual differential pressure while flow is present Note Compared to orifice plates and other primary flow elements Averaging Pitot Tubes create small differential pressures Therefore test all potential leak...

Страница 35: ... Analytics Instrumentation pH Conductivity and Dissolved Oxygen Transmitters and Sensors Ammonia Nitrate Phosphate Silica Sodium Chloride Fluoride Dissolved Oxygen and Hydrazine Analyzers Zirconia Oxygen Analyzers Katharometers Hydrogen Purity and Purge gas Monitors Thermal Conductivity Customer support We provide a comprehensive after sales service via a Worldwide Service Organization Contact one...

Страница 36: ...ify the contents of this document without prior notice With regard to purchase orders the agreed particulars shall prevail ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document We reserve all rights in this document and in the subject matter and illustrations contained therein Any reproduction disclosure to third parties or utilizat...

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