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Accessories and OptionsSoft seal disc – Subassembly item 7LESER soft seal solutions allow for superior tightness.Features and Benefits• two different designs with o-ring or sealing plate for a wide variety application• large selection of soft seal materials to best adapt to the application• increased service life of sealing surfaces compared to a metal to metal seat• simple replacement of the soft seal reduces maintenance costs• standard ARP O-ring sizes for easy worldwide procurement• one standard durometer per O-ring material for all set pressures to reduce stocking expensesDesign of soft sealType 526 O-ring disc Disc with sealing plateDesign31543154For temperature limits, medium resistance and option codes please refer to the soft seal selection table, page 99/10 – 99/11.Materials for soft seal discs see page 99/09.Options99/08 LWN 480.01-E
Accessories and OptionsSoft seal disc – Subassembly item 7MaterialsO-ring discItem Component Steel Stainless steel1 Disc with lifting aid3 Retainer1.4404 1.4404316L316L1.4404 1.4404316L316L4 O-ring See soft seal selection table page 99/10 See soft seal selection table page 99/105 Nut1.4401 1.44018M8MMaterialsDisc with sealing plateItem Component Steel Stainless steel1 Disc with lifting aid3 Retainer1.4404 1.4404316L316L1.4404 1.4404316L316L4 Sealing plate See soft seal selection table page 99/10 See soft seal selection table page 99/105 Nut1.4401 1.44018M8MOptionsLWN 480.01-E99/09
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APIFlanged Safety Relief ValvesSeri
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ContentsChapter/PageGeneral 00/01Ap
Page 5 and 6:
General InformationGeneralApplicati
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Valve finderHow to find the right A
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How to useSelection chartsGeneralTh
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How to useGeneral8Base of calculati
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LEOLGeneralThis table is based on t
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TypeType 526Type 526Packed lever H4
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Type 526Conventional designItemMate
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Type 526Balanced bellows designMate
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Type 5264 5 6Options Documentation
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Type 526Article numbers - OverviewA
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d 0 = Actual orifice diameterA 0 =
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d 0 = Actual orifice diameterA 0 =
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Type 526WeightsUS UnitsBonnetallLif
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Type 526Orifice DArticle numbers, d
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Type 526Orifice DPressure temperatu
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Type 526Orifice EArticle numbers, d
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Type 526Orifice EPressure temperatu
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Type 526Orifice FArticle numbers, d
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Type 526Orifice FPressure temperatu
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Type 526Orifice GArticle numbers, d
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Type 526Orifice GPressure temperatu
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Type 526Orifice HArticle numbers, d
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Type 526Orifice HPressure temperatu
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Type 526Orifice JArticle numbers, d
Page 53 and 54:
Type 526Orifice JPressure temperatu
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Type 526Orifice KArticle numbers, d
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Type 526Orifice KPressure temperatu
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Type 526Orifice LArticle numbers, d
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Type 526Orifice LPressure temperatu
Page 63 and 64: Type 526Orifice MArticle numbers, d
Page 65 and 66: Type 526Orifice MPressure temperatu
Page 67 and 68: Type 526Orifice NArticle numbers, d
Page 69 and 70: Type 526Orifice NPressure temperatu
Page 71 and 72: Type 526Orifice PArticle numbers, d
Page 73 and 74: Type 526Orifice PPressure temperatu
Page 75 and 76: Type 526Orifice QArticle numbers, d
Page 77 and 78: Type 526Orifice QPressure temperatu
Page 79 and 80: Type 526Orifice RArticle numbers, d
Page 81 and 82: Type 526Orifice RPressure temperatu
Page 83 and 84: Type 526Orifice TArticle numbers, d
Page 85 and 86: Type 526Orifice TPressure temperatu
Page 87 and 88: Type 526Flange facingsIndication St
Page 89 and 90: Orifice900 x 300 1500 x 300 2500 x
Page 91 and 92: Type 526Spare parts - Disc (Item 7)
Page 93 and 94: Type 526Spare parts - Stainless ste
Page 95 and 96: Type 526Spare parts - Gasket Body /
Page 97 and 98: Type 526Spare parts recommendations
Page 99 and 100: Type 526ApprovalsApprovalsOrifice D
Page 101 and 102: Type 526Capacities - SteamCapacitie
Page 103 and 104: Type 526Capacities - AirCapacities
Page 105 and 106: Type 526Capacities - WaterCapacitie
Page 107 and 108: Accessoriesand OptionsContentsChapt
Page 109 and 110: Accessories and OptionsCaps and lev
Page 111 and 112: Accessories and OptionsCaps and lev
Page 113: Accessories and OptionsMetal seat -
Page 117 and 118: Accessories and OptionsSoft sealSof
Page 119 and 120: Accessories and OptionsBalanced bel
Page 121 and 122: Accessories and OptionsLift indicat
Page 123 and 124: Accessories and OptionsHeating jack
Page 125 and 126: Accessories and OptionsO-ring dampe
Page 127 and 128: Fax OrderPlease send your request t
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