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INSTRUCTIONS INST. OPERATION AND

MAINTENANCE

BV2506X DN15 a DN300

Code

MAN-2506X-EN

Edition

0

Date and responsible

14/01/19

Page

1 de 15

Paging

1 | 15

INSTRUCTION MANUAL FOR

INSTALLATION, OPERATION,

MAINTENANCE AND STORAGE FOR

BVALVE BELLOW SEALED GLOBE

VALVES model BV2506X

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Содержание BV2506 Series

Страница 1: ...INTENANCE BV2506X DN15 a DN300 Code MAN 2506X EN Edition 0 Date and responsible 14 01 19 Page 1 de 15 Paging 1 15 INSTRUCTION MANUAL FOR INSTALLATION OPERATION MAINTENANCE AND STORAGE FOR BVALVE BELLOW SEALED GLOBE VALVES model BV2506X ...

Страница 2: ...afety instructions page 4 4 1 General page 4 4 2 Safety instructions for the user page 5 4 3 Special risks page 5 4 4 Leak detection port page 6 5 Installation operation and maintenance page 6 5 1 General page 6 5 2 Inspection before installation page 6 5 3 Installation page 7 5 4 Operation page 12 5 5 Maintenance page 13 6 Instructions for transport storage and handling page 13 7 Troubleshooting ...

Страница 3: ...safety requirements stablished in the Pressure Equipment Directive is appropiate to work with all media classified as Group I liquids or gases as per selected design and construction materials During selection phase of the valve customer is always informed about selected materials for valve construction In this way customer can verify suitability of such materials and add any comment or informatio...

Страница 4: ...onstruction is not suitable to the corrosive properties of the media if high corrosion is found in the internals of the valve substitute the complete valve into another with suitable material Warning In case of fire in the process unit get away from the affected area evacuate and seal the area Follow the plant experts or authorities plans for evacuation and firefighting Warning During transport ha...

Страница 5: ...o life It is mandatory to operate the valve with appropriate safety gadgets Danger to life Periodic visual functional inspection of the valve for opening closing joint tightness leak tightness of packing region can avoid possible hazard in operation Danger to life In case of leak through the gaskets substitute them into a suitable ones to the service conditions at the shortest by qualified staff O...

Страница 6: ...ion Danger to life Before installing verify that the valve is suitable for the service in which it is being installed by referring the service tag and nameplate Disregard of this precautionary measure can lead danger to life for the user and damages in the piping system 5 2 1 Check the valve hand Wheel for possible damage 5 2 2 Intrusion of foreign materials into the valve during the transportatio...

Страница 7: ... flushing 5 3 Installation 5 3 1 Small Globe Bellows sealed globe valves up to and including nominal size 2 NB DN50 PN16 and PN40 may be lifted or carried by the hand wheel without damage to the valve 5 3 2 Larger Globe Bellows sealed valves DN65 and above PN16 and higher should be lifted by using the lifting lugs provided or by looping a suitable nylon rope around the bonnet 5 3 3 Never lift the ...

Страница 8: ...he inlet of the valve When possible Bellow Seal Valves should be installed with the bonnet in a vertical position It is recommended not to install bellow sealed valves with the stem upside down in order to prevent the accumulation of debris in the bellow area Danger to life It is necessary to ensure that the flow indication on the Globe valve body should be observed and valve should be installed w...

Страница 9: ...on for globe valves with vertical spindle orientation Figure 7 direction for bellow sealed valves with balanced plug design only permitted for horizontal pipe lines and vertical spindle orientation Figure 8 valves with balanced plug design cannot be installed with spindle in horizontal orientation independently of the direction of pipe horizontal or vertical X X X X ...

Страница 10: ...ding process and must not be strained while cooling 5 3 7 Only suitable wrenches tools shall be used for installation disassembly maintenance and reassemble of these valve products 5 3 8 Flanged valves can be bolted into the line using standard stud nuts and gaskets When installing flanged valves tighten the flange bolts which are diametrically opposite to each other and all bolts should fastened ...

Страница 11: ...od and material to be done by qualified welder as per approved WPS PQR The root welding to be done by TIG welding process only 5 3 14 When insulating valves avoid insulation above the bonnet packing area lnsulating above this may result in injury to personnel and damage to valve and property as gland leakage cannot be detected 5 3 15 When installing rising stem valves be sure to allow sufficient c...

Страница 12: ...least once in a fifteen days and proper record to be maintained Lack of lubrication leads to functional failures of the valve due to accumulation of dirt and contamination by media 5 4 3 When the valve is in operation stem packing body bonnet or cylinder bolting shall be examined for required tightness regularly 5 4 4 If the packing is compressed over a period of time then the same has to be repla...

Страница 13: ...low bellow assembly after the specified life cycles or the specified time period whichever is earlier to eliminate the possible hazards due to leakage Danger to life When a valve is removed from the systems conveying dangerous media shall be carried away from the plant then the valve must be professionally decontaminated 6 Transport storage handling instruction 6 1 Valves should be stored with des...

Страница 14: ...eakage through seats Whenever seat leakage is observed the following should be the first line of action at site of installation customer The valve seats to be properly cleaned so that there are no foreign particles on the seating surface For balanced plug design the pilot hole has to be free from any particles This has to be checked The valve installation is as per manufacturer recommendation The ...

Страница 15: ... maximum tightening torque for body Bonnet bolts and nuts 8 List of spare parts Only spares supplied by BVALVE FSC S L U shall be used The usage of spares from any other sources is not recommended which in turn ceases the warranty Spare parts mentioned below shall be ordered with all indications of the marking of valve on which they are used Bolt Nuts or fasteners Gaskets Packing Eye Bolts Cross b...

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