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General Connections Special connections Except the shown standard connections illustrated on the pages 04/05 and 09/06, LESER realize further customer specific connections. Sample are showen on this page. For ordering please state in writing standard, size or spezify by drawing. Threads Threaded connection with special seals Welding end For manuel or automatic welding equipment Sleeve fitting, e. g. SWAGELOK, ERMETO Metal gasket, e. g. CAJON Flange High pressure technology Other All kind of standards Chemical high pressure flange IG325 up to IG700 Customer specification for integrated pipework, e. g. LESER type 5034 Customer specification 00/13 LWN 481.01-E
Type Type 437 Type 437 Packed knob H4 Conventional design 437 Safety Relief Valves – spring loaded Type 437 Packed knob H4 Flanged connection Type 437 Cap H2 Long version Contents Chapter/Page Materials • Available designs 01/02 • Available designs – materials 01/03 How to order • Numbering system 01/04 • Article numbers 01/06 Dimensions and weights • Metric Units [Threaded connection] 01/08 [Flanged connection] 01/09 • US Units [Threaded connection] 01/10 [Flanged connection] 01/11 Pressure temperature ratings • Metric Units + US Units 01/12 Order information – Spare parts 01/13 Available options 01/14 Approvals 01/15 Capacities • Steam [Metric Units + US Units] 01/16 • Air [Metric Units + US Units] 01/17 • Water [Metric Units + US Units] 01/18 Determination of coefficent 01/19 of discharge K dr /α w Application range 01/20 of conventional design and long version LWN 481.01-E 01/01
Page 1 and 2: Compact Performance Safety Relief V
Page 3 and 4: General Type 437 Orifice diameter d
Page 5 and 6: Contents Type 459 05/01 Materials
Page 7 and 8: General Information General Applica
Page 9 and 10: Valve finder General How to find th
Page 11 and 12: Valve selection General Valve size
Page 13 and 14: How to use General Sample Determina
Page 15 and 16: How to use General 7 Base of capaci
Page 17: Sour gas service (H 2 S) General No
Page 21 and 22: Type 437 Available designs - materi
Page 23 and 24: Type 437 Type 437 4 5 6 Options Doc
Page 25 and 26: Type 437 How to order - Article num
Page 27 and 28: Type 437 Dimensions and weights - M
Page 29 and 30: Type 437 Dimensions and weights - U
Page 31 and 32: Type 437 Order information - Spare
Page 33 and 34: 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 43 and 44: Type 438 4 5 6 Options Documentatio
Page 45 and 46: Type 438 How to order - Article num
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Page 55 and 56: Type 438 Determination of coefficen
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Page 63 and 64: Type 439 Pressure temperature ratin
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Type 439 Available Options Male thr
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Type 439 Capacities Capacities acco
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Accessories and Options Contents Ch
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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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Type Type 459 Plain lever H3 459 Sa
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Type 459 Available designs - materi
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Type 459 4 5 6 Options Documentatio
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Type 459 How to order - Article num
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Type 459 Dimensions and weights - M
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Type 459 Dimensions and weights - U
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Type 459 Pressure temperature ratin
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Type 459 Order information - Spare
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Type 459 Approvals Europe Approvals
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Type 459 Capacities - US Units Capa
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Type 459 HDD Safety Relief Valves H
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Type 459 HDD Available designs - ma
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Type 459 HDD 4 5 6 Options Document
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Type 459 HDD How to order - Article
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Type 459 HDD Dimensions and weights
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Type 459 HDD Order information - Sp
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Type 459 HDD Approvals Europe Appro
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Type 459 HDD Capacities - US Units
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Type Type 462 Plain lever H3 462 Sa
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Type 462 Available designs - materi
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Type 462 4 5 6 Options Documentatio
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Type 462 How to order - Article num
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Type 462 Dimensions and weights - M
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Type 462 Dimensions and weights - U
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Type 462 Pressure temperature ratin
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Type 462 Order information - Spare
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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 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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