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User manual

Safety valves (Vacuum-overpressure safety valve and vacuum safety
valve)

Type

: Manual safety valve

Datum

: 07-04-2021

Version / Revision

: Version 3.0 Revision00

Status

: Accepted

Company

: PRESSCON

Location

: Honselersdijk

Содержание FX PREVENT

Страница 1: ...l Safety valves Vacuum overpressure safety valve and vacuum safety valve Type Manual safety valve Datum 07 04 2021 Version Revision Version 3 0 Revision00 Status Accepted Company PRESSCON Location Hon...

Страница 2: ...Page 2 of 18...

Страница 3: ...8 1 2 Criteria for the replacing of the vacuum and overpressure pallets 11 8 1 3 Methods for the revision of the vacuum overpressure safety valve 12 8 2 Maintenance for vacuum safety valves 13 8 2 1 A...

Страница 4: ...g on the safety valves the height exceeds 2 5 metres This is why working on the safety valves is considered working with heights It automatically means that a safety harness or other adequate fall pro...

Страница 5: ...erpressure safety valve then provides the vertical buffer tank with protection against vacuum and overpressure Application vacuum safety valve The application of the PRESSCON vacuum safety valve is th...

Страница 6: ...the vacuum overpressure safety valve 1 Overpressure valve 2 Overpressure lead 3 Overpressure pallet 4 Operating pressure valve 5 Operating pressure lead 6 Operating pressure pallet 7 Cover plate 8 Sil...

Страница 7: ...the construction of a vacuum safety valve 1 Cover plate 2 Vacuum pallet 3 Gasket 4 Safety valve housing 5 Gasket 6 Adjustment bolt 7 Vacuum pallet flange 8 Gauze 9 Assembly 10 M8 RVS nut 11 M8 RVS rin...

Страница 8: ...water level will foremost decrease in the vacuum safety valve If the water in the housing of the vacuum safety valve drops more a vacuum will be created When a vacuum exists between 2 and 2 mbar the...

Страница 9: ...readed ends Make sure that all the nuts are all tightened even Make sure that the connection between the welded flange and the valve is leak proof The valve is now company ready Mounting the vacuum sa...

Страница 10: ...ctory of PRESSCON There is an exchange program available with revised vacuum safety valves in stock 8 1Maintenance for vacuum overpressure safety valves 8 1 1 Annual check up of the vacuum overpressur...

Страница 11: ...ssure pallet and vacuum pallet need to be renewed as a set 2 It is contractually agreed upon that the vacuum and overpressure pallets will undergo a preventive renewal every two years This has to be m...

Страница 12: ...of the nitrogen blanket now turns to 0 mbar This generates a Pressure Minimal alarm on the nitrogen generator 3 Remove both pallets Figure 4 no 2 when all steam has been blown off 4 Disassembly the co...

Страница 13: ...lded flange look undamaged and do not give rise to suspected water or air leakage 8 2 2 Revision of the vacuum safety valve PRESSCON advises to let the vacuum safety valve be revised every two years T...

Страница 14: ...04 Material gasket Special rubber Material M8 tread ends RVS 304 Material valve plate RVS 304 Material valve seat RVS 304 Material seal Special rubber Flange connection DN 150 PN6 ND6 Treaded ends 8 p...

Страница 15: ...et Special rubber Material M8 tread ends RVS 304 Material valve plate RVS 304 Material valve seat RVS 304 Material seal Special rubber Flange connection DN 80 PN6 ND6 Holes 4 pieces suitable for M16 b...

Страница 16: ...ccording to the prescriptions adjusted pressure safety equipment at all times on the water side The maximum temperature is set at 120 C The PRESSCON vacuum overpressure safety valves and vacuum safety...

Страница 17: ...ations Version 1 0 to 1 1 indicates Supplement a chapter of paragraph has been added to the document Revision _R01 to _R02 indicates Correction an image language error or text error has been corrected...

Страница 18: ...ing or working with a product of PRESSCON Its aim is to maintain and possibly improve the quality of its products If additional information or support is requested then PRESSCON can be consulted throu...