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Section VII

– Maintenance

1.0 Continued

The PTFE nose of the rocker arm should be slightly

touching the switch. If there is a gap between the

nose of the rocker arm and the switch then loosen the

two nuts on the bottom of the electrical switch and

slide the unit until it just begins to touch the rocker

arm

. Once set, re-tighten the two nuts and re-install

the unit (Figure 7.10). Note that the

distance

can only

be adjusted while the unit is installed on a plug. If the

plug is removed from the assembly, the gap will be

greater than when the plug is installed (Figures 7.11

and 7.12).

Figure 7.10. Adjust Electrical Switch.

Figure 7.11 Gap (Plug Not Installed)

Figure 7.12 Gap (Plug Installed)

Loosen hex bolts to

adjust gap

Содержание PIG-SIG V

Страница 1: ...00 3795 0384 January 2018 Operating and Maintenance Instructions PIG SIG V Scraper Passage Indicator...

Страница 2: ...er in which this equipment is used and the training and competence of the operators Should any difficulty arise at any time in the use of this equipment please contact T D Williamson immediately Failu...

Страница 3: ...hts reserved T D Williamson Inc The list below shows the complete revision history of this document Date Version 02 2013 Document Release 12 2014 E005298 Document Version History 01 2018 Revision to P...

Страница 4: ...tion Flange or Valve Mounted 19 Section IV Pipeline Under Pressure 1 0 THREAD O RING Nipple Installation 22 2 0 Indicator Installation 27 3 0 Plug Recovery 42 Section V Indicator Installation 1 0 Indi...

Страница 6: ...r product or property damage 1 1 General Ensure the safety features and operating procedures of the drilling machine are understood Do not attempt to make a tap or set a PIG SIG V plug assembly withou...

Страница 7: ...2 Section I Safety This page intentionally left blank...

Страница 8: ...a pipeline to detect the passage of a pig or sphere The PIG SIG V indicator has a trigger that extends into the pipeline through a welded fitting that has been tapped When a pig passes the trigger is...

Страница 9: ...ng All PIG SIG V units are omni dimensional Flag indicator with manual reset flag see Table 1 Electrical indicator with auto reset see Table 2 Combination electrical auto reset with manual reset flag...

Страница 10: ...troduction Table 1 PIG SIG V Flag Indicator With Manual Reset Flag Flag Indicator Assembly Cap Plug Assembly THREAD O RING Nipple Set Screws and Allen Wrench PTFE Grease Lubricant Anti Seize Silicon G...

Страница 11: ...duction Table 2 PIG SIG V Electrical Indicator With Auto Reset Electrical Indicator Assembly Cap Plug Assembly THREAD O RING Nipple Set Screws and Allen Wrench PTFE Grease Lubricant Anti Seize Silicon...

Страница 12: ...PIG SIG V Combination Electrical Auto Reset with Manual Reset Flag Indicator Electrical Indicator Assembly Cap Plug Assembly THREAD O RING Nipple Set Screws and Allen Wrench PTFE Grease Lubricant Ant...

Страница 13: ...ension lengths up to 10 feet are available to elevate the indicator The PIG SIG V indicator can be installed on a line under pressure without taking the line out of service using the TDW T 101 T 101a...

Страница 14: ...less steel pipe Tensile Requirements 35 000 psi SMYS 60 000 psi SMYS Impact Requirements 13 ft lb min Avg 3 Specimens 10 ft lb min One Specimen Only Impact Temperature 50 F Chemical Requirements Compo...

Страница 15: ...250 29 to 121 3743 3743 3120 2600 2080 300 149 3620 3017 2514 2011 350 177 3493 2911 2425 1940 400 204 3369 2808 2340 1872 450 232 3072 3246 2246 1872 1497 500 260 2985 Pressures are in pounds per sq...

Страница 16: ...h enclosure is sealed for protection against corrosion water dust and oil as defined in NEMA 1 3 4 4X 6 7 9 13 and IP67 as defined in IEC 529 The switch enclosure meets the European Hazardous Location...

Страница 17: ...mperature range is 40 F 40 C to 185 F 85 C The switch housing is epoxy coated aluminum and zinc with fluorosilicone seals IEC Standards Ex dIICT6 IP67 Table 6 AC Volts Pilot Duty 600 VAC 720 VA Amps a...

Страница 18: ...ide a degree of protection against corrosion windblown dust and rain splashing water and hose directed water Type 6 enclosures are intended for indoor and outdoor use primarily to provide a degree of...

Страница 19: ...ectrical Code Group E Atmospheres containing metal dust Group F Atmospheres containing carbon back coal dust or coke dust Group G Atmospheres containing flour starch or grain dust Table 9 Conforming I...

Страница 20: ...ce a nipple has been welded to the pipe it is recommended that a drilling machine be used to cut the opening in the pipe wall so that the nipple will act as a guide and ensure proper alignment The ope...

Страница 21: ...he cap downward until fully seated B Install the three set screws and tighten to 1 5 ft lb C Set the flag and operate the trigger a couple of times to ensure the unit functions correctly Figure 3 1 D...

Страница 22: ...dy into the fitting and start threads Be careful not to cross thread B Use a one inch hex wrench or the PIG SIG V plug holder and crescent wrench to tighten Figure 3 4 The plug will become more diffic...

Страница 23: ...18 Section III Pipeline Not Under Pressure 1 0 Continued C Note that the top of the plug assembly extends 1 38 inches above the nipple when set This is normal Figure 3 4 Tighten Plug Body...

Страница 24: ...ions are not interchangeable due to specific sizing for location Before installing the TDW THREAD O RING flange the sealing faces of both flanges and gasket should be inspected for signs of damage or...

Страница 25: ...20 Section III Pipeline Not Under Pressure This page intentionally left blank...

Страница 26: ...nipple has been welded to the pipe it is recommended that a drilling machine be used to cut the opening in the pipe wall so that the nipple will act as a guide and ensure proper alignment The opening...

Страница 27: ...inch drill B The nipple must be welded so that it is on the top centerline of the pipe and perpendicular to it CAUTION The PIG SIG V plug assembly can be damaged and may not operate properly if the T...

Страница 28: ...ure atmosphere NOTE Weld procedures and welders should be qualified to current API 1104 API 1107 or ASME Section IX Low hydrogen electrode AWS E XX18 is recommended for use with TDW fittings The use o...

Страница 29: ...and pipe wall thickness should be 4 1 4 to 4 1 2 inches If that combination would exceed 4 1 2 inches grind some off the weld end of the nipple to obtain a shorter nipple or decrease the amount of th...

Страница 30: ...For All Valves After the valve has been installed check the nipple for swaging distortion caused by possible over tightening of the valve This can be done using a THREAD O RING gauging tool if availa...

Страница 31: ...surement J D Prepare the T 101b drilling machine with a 1 7 16 inch drill Install and tap through the pipe following instructions in the drilling machine manual E Close the tapping valve bleed the pre...

Страница 32: ...to ensure the unit functions correctly Figure 4 3 Figure 4 3 Verify PIG SIG V Operation D After the test remove the set screws and pull the cap off the plug assembly NOTE Installation of the plug is t...

Страница 33: ...bly Figure 4 5 E Ensure that the drilling machine is set up with the drilling machine adapter for PIG SIG V installation no 00 0706 0016 00 F Inspect the PIG SIG V Plug holder no 00 8138 0000 00 for d...

Страница 34: ...ioned there will be end play between the plug holder and plug Figure 4 10 Figure 4 9 Attach PIG SIG to Plug Holder Figure 4 10 PIG SIG on Plug CAUTION Clean the threads of the THREAD O RING nipple bef...

Страница 35: ...the threaded adapter Figure 4 13 M Using a marker pen place a mark on the body tube at the base of the feed tube N Slowly rotate the feed tube counterclockwise Figure 4 14 until the feed tube is at ze...

Страница 36: ...istance was measured and recorded before the tap was made B Threaded Valves With the PIG SIG fully retracted measure from the bottom of the feed tube to the mark made on the body tube Figure 4 16 Flan...

Страница 37: ...pply the wrench to the drilling machine D Threaded Valves Measure from the face of the valve to the mark made on the adapter Figure 4 20 Record this as Measurement G E Measurement K for the PIG SIG V...

Страница 38: ...of the feed tube and mark this measurement on the body tube Figure 4 23 See EXAMPLE on following page NOTE An optional spacer may be installed to provide clearance to reduce the risk of valve contact...

Страница 39: ...inued Figure 4 23 Measurements G J and K EXAMPLE Setting a two inch PIG SIG V using a threaded adapter and assuming Measurement G to be 2 5 8 inch The Measurement J is 4 1 2 inch Measurement G 2 5 8 M...

Страница 40: ...onal injury may result from blowing material Consider the dangers of product when purging from the drilling machine adapter B Open the tapping valve slightly to purge air through the bleeder valve on...

Страница 41: ...Figure 4 27 T 101b Both of these methods lock the feed tube and boring bar together permitting extension and rotation of the boring bar at the same time F Attach the crank handle to the inch hex driv...

Страница 42: ...T distance cannot be attained the PIG SIG V may not be completely set DO NOT REMOVE VALVE Check all measurements If the plug needs to be removed follow the removal instructions check all work includin...

Страница 43: ...te the feed tube counterclockwise approximately 24 turns retracting the plug holder two inches above the PIG SIG V Ensure the hex drive does not rotate otherwise the PIG SIG V will unthread from the f...

Страница 44: ...leeder Valve NOTE Should leakage occur it indicates the following possibilities PIG SIG V is not completely set O ring on the PIG SIG V is damaged To correct the leak close the bleeder valve and remov...

Страница 45: ...licable secure the drilling machine to lifting equipment D Unscrew the drilling machine from the tapping valve Figure 4 36 E Remove the tapping valve F Install the PIG SIG V indicator on the THREAD O...

Страница 46: ...nstallation Figure 4 36 Unscrew the Drilling Machine Figure 4 37 Installed Plug Figure 4 38 Threaded Valve Mounted Assembly Assembled Figure 4 39 Valve Mounted Assembly Assembled NOTE Refer to Section...

Страница 47: ...the external threads Figure 4 41 Figure 4 40 Remove Set Screws Figure 4 41 Apply Thread Paste D Select the appropriate tapping valve whether flanged or threaded and install the tapping valve onto the...

Страница 48: ...ount the number of turns required to open and close the valve completely Record the number of turns on the Measurement Card and measure the length of the stem above the operating handle in the open Fi...

Страница 49: ...to the face of the valve Figure 4 45 Record this as Measurement N B Close the tapping valve Figure 4 46 Figure 4 45 Measurement N Figure 4 46 Close Tapping Valve C Measurement M is the distance from...

Страница 50: ...to the adapter only Figure 4 50 Do not apply the wrench to the drilling machine D Threaded Valves Measure from the face of the valve to the mark made on the adapter Figure 4 51 Record this as Measurem...

Страница 51: ...ad Paste Figure 4 50 Tighten Drilling Machine Figure 4 51 Measurement M G Add Measurements M N The sum of Measurements M N should be the body tube reading when the plug holder contacts the bottom of t...

Страница 52: ...ure 4 54 Installed Bleeder Valve EXAMPLE Removing a two inch PIG SIG V using a threaded adapter and assuming Measurement M to be 3 inches and Measurement N is 10 inches Measurement M 3 Measurement N 1...

Страница 53: ...IG SIG V The feed tube should be at the mark on the body tube C If the feed tube is approximately one inch above the mark on the body tube Figure 4 55 the plug holder did not align with the hex drive...

Страница 54: ...ely Extend the plug holder by rotating the feed tube clockwise until the stop is reached D The feed tube should be at the mark on the body tube Figure 4 57 Figure 4 56 Crank Handle Figure 4 57 Mark on...

Страница 55: ...Slowly rotate the crank handle counterclockwise until the pressure starts to flow past the PIG SIG V Figure 4 60 D Purge air through the bleeder valve E After air is completely purged close the bleed...

Страница 56: ...ure 4 62 H Open the bleeder valve and bleed off the trapped pressure from the drilling machine Figure 4 63 I Remove the bleeder valve from the 3 8 x inch bushing Figure 4 64 J If applicable secure the...

Страница 57: ...ure 4 67 B Remove and clean the PIG SIG V Figure 4 68 C Remove the O ring Figure 4 69 D Replace the O ring E If required prepare the machine for re installation of the PIG SIG V Figure 4 66 Rotate Fee...

Страница 58: ...til it is fully seated The indicator cap will completely cover the external threads on the nipple Check set screw holes to see set screw groove Turn the indicator to desired flag orientation Figure 5...

Страница 59: ...lectrical Only Indicator Figure 5 7 Flag Electrical Combination Indicator 1 2 Extension Installation If the indicator is installed on a 1 to 10 foot extension it is installed exactly the same as the i...

Страница 60: ...al protection for the PIG SIG V unit The transparent cover is placed over the PIG SIG V unit and secured by inserting the provided pin through both holes on the bottom of the cover 1 2 Spacer An optio...

Страница 61: ...ag to Electrical Conversion to electrical only indicator will allow for a signal to be sent through the SCADA system electronically without the use of a visual flag indicator Flag to Combination Conve...

Страница 62: ...1 1 Flag Operation Ensure the flag is properly positioned When looking at the TDW flag the flag should be in the horizontal position Figure 7 1 This is the proper position before pig passage Once the...

Страница 63: ...flag in the upward position or remove the stainless steel cover to access the mounting hardware F Remove the four screws that are located around the shaft G Remove the assembly off the cap and remove...

Страница 64: ...d Install one snap ring on one side of the short rod F Install the latch Slide the large pin through the back of the latch Figure 7 4 with one snap ring affixed to one end Figure 7 5 Figure 7 4 Instal...

Страница 65: ...t and the seal Ensure the seal did not tear 1 4 Filter Pack In the event that the filter pack or magnet needs replacement a new magnet assembly holder with filter pack can be purchased A filter pack m...

Страница 66: ...lacing it with a new magnet Figures 7 8 and Figure 7 9 Figure 7 8 Magnet Disassembled Figure 7 9 Magnet Assembled 1 6 Proper Electrical Switch Adjustment The gap between the electrical switch and the...

Страница 67: ...e unit until it just begins to touch the rocker arm Once set re tighten the two nuts and re install the unit Figure 7 10 Note that the distance can only be adjusted while the unit is installed on a pl...

Страница 68: ...upper portion of the plug This water can freeze and not allow the magnet to move Remove indicator and check for moisture Plug assembly won t thread on to the THREAD O RING Nipple Verify that it is ind...

Страница 69: ...ing in damage Electrical or Combo Electrical switch is not sending electrical signal Proper switch adjustment refer to electrical switch instruction in the manual and ensure the switch is adjusted pro...

Страница 70: ...Backup Ring Replace each time the plug is removed NOTE These time frames are suggestions from TDW Times may vary depending on the pipeline product and the environment that the unit is exposed to Elect...

Страница 71: ...66 Section VII Maintenance This page intentionally left blank...

Страница 72: ...tiveness of the magnet Liquid or relatively high pressure gas combined with turbulence due to high flow rate can kick up heavy amounts of magnetic particulates Heavy wax pushed into the PIG SIG V trig...

Страница 73: ...ater sea water Highly corroded pipes where iron shaving fillings debris is known to be present low viscosity Refined products with corrosion or other ferrous debris 1 2 Applications Requiring Special...

Страница 74: ...or inspection by TDW or at TDW s option returned to TDW s factory Customer shall prepay shipping charges and shall pay all duties and taxes as applicable for products or parts returned to TDW for warr...

Страница 75: ...com TDW Pub No 00 3795 0384 ECN E008294 Copyright 2018 All rights reserved T D Williamson Inc Printed in the U S A Revised January 2018 Operating and Maintenance Instructions PIG SIG V Scraper Passag...

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