Norriseal 2200 series Скачать руководство пользователя страница 1 | Manualshive

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Содержание 2200 series

Страница 1: ...OPERATING AND MAINTENANCE MANUAL Series 2200 2220 1 0 2 0 Series 2220 INIRRIS PRODUCTION SOLUTIONS INN N N AEIelle AU Engineered 1111N1WY inkmuaErael Performance A MI CAMPAAV ...

Страница 2: ... Restoration 6 2 6 Valve Re Assembly 6 3 0 REPAIR KITS 6 4 0 TROUBLE DIAGNOSIS 7 4 1 Internal Leakage Problems 7 4 2 External Leakage Problems 8 4 3 Valve Performance Problems 9 5 0 VALVE BODY STYLES AND PORT ORIENTATION MARKINGS 11 TABLES Table 1 Maintenance Schedule 2 Table 2 Lapping Compounds 5 Table 3 Bridge Symbol and Valve Body Port Orientation 1 2200M 02012 August 2012 Mika P O Box 40525 Ho...

Страница 3: ...cting fail open Both are available in No 9 35 sq in and No 12 70 sq in The Series 2200 2220 valves have non adjustable spring loaded pack ing with PTFE V rings and a spring below the packing to maintain a tight stem seal WARNING Before attempting to disassemble or repair this valve please make sure that all pressure going through the valve has been relieved Failure to do this will cause personal i...

Страница 4: ...the body and pipeline flanges For thread ed NPT bodies use pipe thread sealant 5 This is a good time to inspect the nameplate on your valve Iden tify the working pressure limita tions of your valve they are rated ANSI 150 300 600 900 1500 or 2500 class and DO NOT ex ceed the marked pressure 6 If you choose to insulate your valve DO NOT insulate it above the hammer nut 7 Connect the supply pressure...

Страница 5: ... until the spring s preload is completely removed or de energized Remove the adjusting nut washer upper spring retainer and spring 4 Remove the nuts and screws from around the diaphragm housing flange and remove the upper diaphragm housing by slid ing it carefully upward and off the stem 5 Remove the cotter pin and unscrew the upper stem from the lower stem 6 Remove the bearing washers 0 ring diap...

Страница 6: ...ts unscrew and remove the yoke 2220 from the bonnet 2 2 Actuator Re Assembly To re assemble the actuator lubri cate the 0 rings and simply reverse the steps of the disassembly proce dure in Section 2 1 for the appropri ate actuator direct or reverse 2 3 Valve Disassembly A With the Actuator Remaining Attached to the Valve Body Series 2200 2220 Body CAUTION Use care to avoid damaging 0 ring sealing...

Страница 7: ... plug The seating surfaces of the valve plug and seat cage are critical for tight shutoff 1 Disassemble the actuator by following the procedure in Sec tion 2 1 2 Unscrew the hammer nut turning COUNTERCLOCKWISE from the valve body by striking the lugs with a hammer and remove it from the bonnet 3 Remove the bonnet from the valve body along with the stem and plug CAUTION When disassembling the plug ...

Страница 8: ...ge 6 The plug will have a definite con tinuous lap band that is approxi mately the same width as the plug without being grooved 7 You are done when the lap areas of the seat and plug have a con tinuously smooth close grained dull appearance with no skips or tears 8 Once finished wash the plug and seat in solvent to remove all lapping compound and wipe the parts dry 9 Under a bright light visually ...

Страница 9: ...replace component s as necessary Differential pressure shut off require ment exceeds the thrust output available from the actuator First record the valve serial number model number flow direction current trim size and service conditions Then call your Norriseal representative to verify actuator sizing and shut off capability 2 Process fluid leaks into lower diaphragm housing Series 2220 only Bonne...

Страница 10: ... of the upper diaphragm housing The actuator stem to upper diaphragm housing 0 ring failed Disassemble the actuator refer to 2 1A and inspect the 0 ring back up ring and sealing surfaces of the stem and housing bore Replace the worn component s as necessary 4 Supply pressure is leaking from the diaphragm housing vent plug when the valve is not moving The Actuator diaphragm is punctured Disassemble...

Страница 11: ...pability 3 The valve will not close It is stuck fully open In a reverse acting fail closed actuator the supply pressure cannot be vented due to a non relieving pressure source device The supply pressure line is connected to the wrong side of the actuator If it s a direct acting fail open actuator the spring may be fully compressed and unable to create valve plug movement Replace the supply pressur...

Страница 12: ...t your Norriseal representative to verify the actuator sizing 6 Generally applicable to throttling The actuator spring force tension Record the valve serial number model service only necessary to achieve a tight shut off OR number current trim size and service overcome the static differential pressure conditions Then contact your Norriseal The closed valve is leaking or will not holding the valve ...

Страница 13: ...it shares the lower port passageway and has a pipe plug installed to permit field con version to either a globe or angle flow pattern The tee body is also used for 1 angle pattern flanged socket weld and butt weld bodies The unused side port is permanently plugged and welded closed The Body Markings and Port Orientation On the outside of the globe and tee valve bodies you will find a BRIDGE SYMBOL...

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