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Type 459 How to order – Numbering system 1 2 3 Article Number Set Pressure Connections 1 1 2 3 4 459 4 . 255 2 Type 459 Please state unit (in gauge)! Please do not exceed pressure range mentioned in the spring charts. Please refer to table “Availabe Connections” on pages 09/06 and 09/07. Please state one option code for each, inlet and outlet. Types of sealing Type 459 Metal seat Metal-to-metal Metal-to-metal stellited Soft seal (Sealing plate) SP Vespel-SP1 PCTFE Kel-F PTFE-FDA Teflon 2 Material code Code Body material 2 Steel 3 SG iron 4 Stainless steel 3 4 Valve code Identifies valve size and body material, refer to page 05/07. Code for lifting device Code Lifting device 2 Screwed cap H2 3 Plain lever H3 4 Packed knob H4 4594.2552 12 bar g V62 V71 Article No. Set Pressure Connections 05/04 LWN 481.01-E
Type 459 4 5 6 Options Documentation Code and Medium Type 459 Option code Please select requested documentation: 1 2 • Base / Inlet body stellited (Type 4593, 4592 only) • Base / Inlet body material 316L (Type 4593 only) • Disc stellited • Plastic seal material L20 L18 J25 PTFE “A” J44 PCTFE “G” J48 Vespel SP “T” J49 • Stainless steel p ≤ 40 bar g J78 bellows p > 40 bar g J55 • Elastomer bellows • Heating jacket • High temperature alloy spring • Stainless steel spring J79 H29 X01 X04 Inspections, tests: Option code DIN EN 10204-3.2: TÜV-Nord Certificate for test pressure M33 LESER Certificate for Global Application - Inspection certificate 3.1 acc. to DIN EN 10204 - Declaration of conformity acc. to PED 97/23/EC Material test certificate: DIN EN 10204-3.1 Part Base / Inlet body Outlet body Cap / lever cover Disc H03 Option code H01 L34 L31 L23 1 2 2 . 0 Code 1. ASME Section VIII 2. CE / VdTUEV 3. ASME Section VIII + CE / VdTUEV Medium .1 Gases .2 Liquids .3 Steam .0 Steam / Gases / Liquids (valid only for CE / VdTUEV) Type 459 J78 H01 L23 2.0 Options Documentation Code and Medium LWN 481.01-E 05/05
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Compact Performance Safety Relief V
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General Type 437 Orifice diameter d
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Contents Type 459 05/01 Materials
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General Information General Applica
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Valve finder General How to find th
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Valve selection General Valve size
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How to use General Sample Determina
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How to use General 7 Base of capaci
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Sour gas service (H 2 S) General No
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Type Type 437 Type 437 Packed knob
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Type 437 Available designs - materi
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Type 437 Type 437 4 5 6 Options Doc
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Type 437 How to order - Article num
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Type 437 Dimensions and weights - M
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Type 437 Dimensions and weights - U
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Type 437 Order information - Spare
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Type 437 Approvals Type 437 Approva
Page 35 and 36: Type 437 Capacities - Air Capacitie
Page 37 and 38: Type 437 Determination of coefficen
Page 39 and 40: Type Type 438 Packed knob H4 Conven
Page 41 and 42: Type 438 Available designs - materi
Page 43 and 44: Type 438 4 5 6 Options Documentatio
Page 45 and 46: Type 438 How to order - Article num
Page 47 and 48: Type 438 Dimensions and weights - M
Page 49 and 50: Type 438 Dimensions and weights - U
Page 51 and 52: Type 438 Order information - Spare
Page 53 and 54: Type 438 Approvals Approvals Actual
Page 55 and 56: Type 438 Determination of coefficen
Page 57 and 58: Type 439 Packed knob H4 Type 439 Sa
Page 63 and 64: Type 439 Pressure temperature ratin
Page 69 and 70: Type 439 Available Options Male thr
Page 71 and 72: Type 439 Capacities Capacities acco
Page 73 and 74: Accessories and Options Contents Ch
Page 75 and 76: Accessories and Options Caps and le
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Page 79 and 80: Accessories and Options Sealing sur
Page 81 and 82: Accessories and Options Heating jac
Page 83 and 84: Type Type 459 Plain lever H3 459 Sa
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Page 99 and 100: Type 459 Approvals Europe Approvals
Page 101 and 102: Type 459 Capacities - US Units Capa
Page 103 and 104: Type 459 HDD Safety Relief Valves H
Page 105 and 106: Type 459 HDD Available designs - ma
Page 107 and 108: Type 459 HDD 4 5 6 Options Document
Page 109 and 110: Type 459 HDD How to order - Article
Page 111 and 112: Type 459 HDD Dimensions and weights
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Page 115 and 116: Type 459 HDD Order information - Sp
Page 117 and 118: Type 459 HDD Approvals Europe Appro
Page 119 and 120: Type 459 HDD Capacities - US Units
Page 121 and 122: Type Type 462 Plain lever H3 462 Sa
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Type 462 Approvals Europe Approvals
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Type 462 Capacities - US Units Capa
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Type 462 HDD Safety Relief Valves H
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Type 462 HDD Available designs - ma
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Type 462 HDD 4 5 6 Options Document
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Type 462 HDD How to order - Article
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Type 462 HDD Dimensions and weights
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Type 462 HDD Dimensions and weights
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Type 462 HDD Order information - Sp
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Type 462 HDD Approvals Europe Appro
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Type 462 HDD Capacities - US Units
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Accessories and Options Contents Ch
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Accessories and Options Overview Op
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Accessories and Options Caps and le
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Accessories and Options Available c
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Accessories and Options Sealing sur
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Accessories and Options Heating jac
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Accessories and Options Balanced be
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Accessories and Options O-ring damp
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Accessories and Options Lift restri
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