Bailey Technical Catalogue - Safety Systems UK Ltd

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G4 SPRING SELECTIONIf possible it is advisable to select a spring which hasat least 10% additional adjustment above the requiredset pressure. As can be seen from the chart, thesprings have overlapping ranges. Where possible thespring with the lowest range should be selected.15-100mm ( 1 ⁄2" - 4") VALVESBarg (Psig) Colour Code0.07-3.5 (1-50) Yellow0.7-7.0 (10-100) Black2.8-10.5 (40-150) White3.5-14.0 (50-200) Green7.0-21.0 (100-300) Red150mm (6")* VALVESBarg (Psig) Colour Code0.35-1.4 (5-20) Red0.7-3.5 (10-50) Yellow2.8-7.0 (40-100) Black3.5-12.0 (50-175) Green*A 150mm body can be offered with a restricted main valve to give a125mm size flow rate.BAILEY B SPRING SELECTIONSizeSpring Ranges MaximumWorking RangeBarg PsigPartNumber0.14-2.07 2-30 110DN15 ( 1 ⁄2") 0.69-3.45 10-50 1112.07-8.62 30-125 1133.45-10.34 50-150 88050.14-1.39 2-20 1100.69-2.41 10-35 111DN20 ( 3 ⁄4") 2.07-5.17 30-75 1133.45-6.70 50-100 88056.70-10.34 105-150 2120.14-2.07 2-20 53560.69-3.10 10-45 737DN25 (1") 1.38-4.14 20-60 11633.79-6.70 55-100 13036.21-10.34 90-150 88160.14-1.03 2-15 53560.69-2.07 10-30 737DN32 (1 1 ⁄4") 1.36-4.14 20-60 11633.79-6.70 55-100 13036.12-10.34 90-150 88160.14-1.03 2-15 53560.69-2.07 10-30 737DN40 (1 1 ⁄2") 1.38-3.46 20-50 11633.10-6.70 45-100 13036.12-10.34 90-150 88160.14-0.69 2-20 5357DN50 (2") 0.69-4.14 10-60 31351.38-6.70 20-100 7606.12-10.34 90-150 1904CLASS T SPRING SELECTIONDEAD ENDPRESSURESETTINGRANGE (Barg)DEAD ENDPRESSURESETTINGRANGE (Psig)COLOURCODE0.35 to 0.7 5 to 10 Dark Green0.7 to 1.4 10 to 20 Light Green1.4 to 2.8 20 to 40 Orange2.8 to 5.5 40 to 80 Brown5.5 to 8.3 80 to 120 Blue8.3 to 13.8 120 to 200 RedC10 SPRING SELECTIONDEAD ENDPRESSURESETTINGRANGE (Barg)DEAD ENDPRESSURESETTINGRANGE (Psig)COLOURCODE0.7 to 4.8 10 to 70 Only 1 SpringCLASS F SPRING SELECTIONCLASS TH SPRING SELECTIONDEAD ENDPRESSURESETTINGRANGE (Barg)DEAD ENDPRESSURESETTINGRANGE (Psig)COLOURCODEDead End Spring Number SpringsSetting DN25 DN40 DN50 ColourBarg (1") (1.5") (2") Code4.1 to 5.5 60 to 80 Brown5.5 to 8.3 80 to 120 Blue3 to 15 C2957-425 C2954-425 C2960-425 White1 to 7 – C3197-425 C3196-425 Purple>7 to 20 C3019-425 C2959-425 C2961-425 YellowDead End Setting = Flowing outlet pressure + Rise to dead end81
Safety Systems UK Ltd.Sharp Street,Worsley, Manchester, UK, M28 3NA.Tel +44 (0)161 703 1899Fax +44 (0)161 703 8451Email support@safetysystemsuk.comWeb site www.safetysystemsuk.comBAPR0610Registered Office:Victoria Road, Leeds,LS11 5UG, UK
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Pressure & Flame ProtectionSafety &
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The logical choiceWherever demandin
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Safety Relief ValvesINTRODUCTIONThe
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INSTALLATIONSafety Relief Valves sh
Page 17 and 18:
SIZINGTemperature Rating in kWSize
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PARTSITEM PART MATERIALSCarbon Stee
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PARTSITEM PART MATERIALCarbon Steel
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PARTSITEM PART MATERIALThere are tw
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PARTS1418121611101978613317152ITEM
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PARTSITEM PARTMATERIAL480 490119105
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PARTSITEM PART MATERIAL211692028173
Page 31 and 32: G4 SeriesPILOT OPERATED PRESSURE RE
Page 33 and 34: LOW PRESSURE TOPGAS AND OXYGEN DUTI
Page 35 and 36: MATERIALSITEM 2042 & 2043 2044 2045
Page 37 and 38: DIMENSIONSCONNECTION OPTIONSBCScrew
Page 39 and 40: INSTALLATIONTYPICAL STEAM REDUCING
Page 41 and 42: SIZINGThe G4 Pressure Regulator can
Page 43 and 44: SURPLUS/MAINTAINING VALVESThe ‘G4
Page 45 and 46: TECHNICAL SPECIFICATION - G4 SURPLU
Page 47 and 48: PARTSITEM PARTMATERIALA191220111098
Page 49 and 50: Vent holeCXAAIN OUTBDDIMENSIONSScre
Page 51 and 52: PARTSITEM PARTMATERIAL1 Adjusting S
Page 53 and 54: PARTSITEM PARTMATERIAL121* Piston S
Page 55 and 56: 170mm(194mm with SPO)460mm(483mm wi
Page 57 and 58: RISE AT DEAD ENDDEAD END SETTINGThi
Page 59 and 60: SIGHT GLASSThe Bailey 1001S Sight G
Page 61 and 62: AIR CAPACITY CHART (l/s) @ 0.3 Barg
Page 63 and 64: SATURATED STEAM CAPACITY CHART (kg/
Page 65 and 66: WATER CAPACITY CHART (l/min) @ 10%
Page 67 and 68: HOT WATER CAPACITY CHART (kW) FOR A
Page 69 and 70: G4 DRY SATURATED STEAM CAPACITY - K
Page 71 and 72: G4 PIPE SIZINGCAPACITIES FOR STEAM
Page 73 and 74: AIR CAPACITIESInletPressure(Barg)Ou
Page 75 and 76: WATER CAPACITIESPressureDifferentia
Page 77 and 78: SATURATED STEAM CAPACITIESInletPres
Page 79 and 80: SpringSelectionCharts78
Page 81: 716 SPRING SELECTIONDN15 Spring Ran
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Bailey Technical Catalogue - Safety Systems UK Ltd

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