PRESSCON FX PREVENT User Manual Download

Page: 15 / 18

Page 15 of 18

9.2 Technical data vacuum safety valves

9.2.1 Technical data PV100-2-F

Material housing

: RVS 304

Material nuts

: RVS 304

Material cover

: RVS 304

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 100 PN6 (ND6)

Holes

: 4 pieces, suitable for M16 bolts

Continues pressure

: 1,5

bar(o) (2,5 abs.)

Maximum peak pressure

: 3

bar(o) (4 abs.)

Opening pressure vacuum

: -2 tot

– 4

mbar(o) (0,998

– 0,996 bar absolute)

Maximum temperature

: 120 C

9.2.2 Technical data PV80-2-F

Material housing

: RVS 304

Material nuts

: RVS 304

Material cover

: RVS 304

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 80 PN6 (ND6)

Holes

: 4 pieces, suitable for M16 bolts

Continues pressure

: 1,5

bar(o) (2,5 abs.)

Maximum peak pressure

: 3

bar(o) (4 abs.)

Opening pressure vacuum

: -2 tot

– 4

mbar(o) (0,998

– 0,996 bar absolute)

Maximum temperature

: 120 C

9.2.3 Technical data PV50-2-F

Material housing

: RVS 304

Material nuts

: RVS 304

Material cover

: RVS 304

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 50 PN 10/16

Holes

: 4 pieces, suitable for M16 bolts

Continues pressure

: 1,5

bar(o) (2,5 abs.)

Maximum peak pressure

: 3

bar(o) (4 abs.)

Opening pressure vacuum

: -2 tot

– 4

mbar(o) (0,998

– 0,996 bar absolute)

Maximum temperature

: 120 C

Summary of Contents for FX PREVENT

Page 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...

Page 2: ...Page 2 of 18...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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