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Type 459 HDD Pressure temperature ratings Metric Units Actual Orifice diameter d 0 [mm] 6 9 13 Actual Orifice Area A 0 [mm 2 ] 28,2 63,6 133 Body material 1.4404 (316L) Type 4594 Base / Connection size 1 / 2 " 3 / 4 " 1" 1 / 2 " 3 / 4 " 1" 1 / 2 " 3 / 4 " 1" 3 / 4 " 1" 1 1 / 4 " Inlet Body Pressure rating PN 700 PN 850 PN 500 PN 250 Outlet body Pressure rating PN 160 PN 160 PN 160 PN 160 Minimum set pressure p [bar g ] S/G/L 420 420 1,5 0,2 Maximum p [bar g ] S/G 700 – set pressure p [bar g ] L – 850 420 200 Temperature min [°C ] -270 acc. to DIN EN max [°C ] +550 Temperature min [°C ] -268 acc. to ASME max [°C ] +538 US Units Actual Orifice diameter d 0 [inch] 0,236 0,354 0,512 Actual Orifice Area A 0 [inch 2 ] 0,044 0,099 0,206 Body material 1.4404 (316L) Type 4594 Base / Inlet Body Connection size 1 / 2 " 3 / 4 " 1" 1 / 2 " 3 / 4 " 1" 1 / 2 " 3 / 4 " 1" 3 / 4 " 1" 1 1 / 4 " Minimum set pressure p [psig] S/G/L 6091 10153 21,7 2,9 Maximum p [psig] S/G 10150 – set pressure p [psig] L – 12325 6091 2901 Temperature min [°F ] -454 acc. to DIN EN max [°F ] +1022 Type 459 HDD Temperature min [°F ] -450 acc. to ASME max [°F ] +1000 Because there is no open bonnet for this type available, please use at a temperature of 300°C (572°F) a stainless steel bellows or a specific high temperature model without a bellows. For DIN EN applications at temperatures under -10°C please proceed according to AD-2000 Merkblatt W 10. 06/12 LWN 481.01-E
Type 459 HDD Order information – Spare Parts Spare parts Actual Orifice diameter d 0 [mm] 6 9 13 Actual Orifice area A 0 [mm 2 ] 28,2 63,6 133 Actual Orifice diameter d 0 [inch] 0,236 0,354 0,512 Actual Orifice area A 0 [inch 2 ] 0,044 0,099 0,206 Body (Item 1): Male thread Material-No. / Art.-No. Connection Size 1 / 2 " 3 / 4 " 1" 1 / 2 " 3 / 4 " 1" 1 / 2 " 1 / 2 " 1" DIN ISO 228-1 G 316L stellited 136.6969.9000 136.7069.9000 136.7169.9000 – 136.7569.9000 136.7669.9000 – 136.8069.9000 136.8169.9000 ISO 7-1/BS 21 R 316L stellited 136.6969.9220 136.7069.9220 136.7169.9220 – 136.7569.9220 136.7669.9220 – 136.8069.9220 136.8169.9220 ANSI/ASME B1.20.1 NPT 316L stellited 136.6969.9204 136.7069.9204 136.7169.9204 – 136.7569.9204 136.7669.9204 – 136.8069.9204 136.8169.9204 Body (Item 1): Female thread Material-No. / Art.-No. DIN ISO 228-1 G 316L stellited 136.6969.9210 136.7069.9210 136.7169.9210 136.7469.9210 136.7569.210 136.7669.9210 – – – ISO 7-1/BS 21 Rc 316L stellited 136.6969.9222 136.7069.9222 136.7169.9222 136.7469.9222 136.7569.9222 136.7669.9222 136.7969.9222 136.8069.9222 136.8169.9222 ANSI/ASME B1.20.1 NPT 316L stellited 136.6969.9211 136.7069.9211 136.7169.9211 136.7469.9211 136.7569.9211 136.7669.9211 – – – Body (Item 1): Flange design DN 15 / PN 40 – PN 400 316L stellited NPS 1 / 2 " CL 300 – CL 2500 316L stellited DN 20 / PN 40 – 316L stellited PN 400 NPS 3 / 4 " CL 150 – CL 2500 DN 25 / NPS 1" PN 40 – PN 400 316L stellited 316L stellited Material-No. / Art.-No. 136.6969.9208 136.7469.9208 136.7969.9208 136.7069.9208 136.3969.9208 136.5069.9208 136.3469.9208 136.3569.9208 CL 150 316L stellited 136.7169.9208 136.7669.9202 136.8169.9202 CL 300 – CL 2500 316L stellited 136.3469.9208 136.3569.9208 Disc (Item 7): Metal to metal Material-No. / Art.-No. Disc 1.4404 316L stellited 200.3269.9118 (L) / 200.3969.9118 (S/G) 200.2069.9118 200.2169.9118 Disc with sealing plate (Item 7) Material-No. / Art.-No. Disc PCTFE “G” – 200.2149.9006 200.2249.9006 1.4404 SP “T” – 200.2149.9007 200.2249.9007 Sealing plate (Item 7.3) Material-No. / Art.-No. Sealing PCTFE “G” – 236.3569.0000 236. 0869.0000 plate 1.4404 SP “T” – 236.3579.0000 236.0879.0000 Pin (Item 57) Material-No. / Art.-No. Pin 1.4310 200.2039.9000 200.2039.9000 200.2139.9000 Gasket – outlet body / bonnet (Item 60) Material-No. / Art.-No. Gasket Graphite + 1.4401 500.2407.0000 500.2407.0000 500.2407.0000 Option code L68 Gylon (Filled PTFE) 500.2405.0000 500.2407.0000 500.2407.0000 Ball (Item 61) Material-No. / Art.-No. Ball Ball Ø [mm] 6 6 6 1.4401 510.0104.0000 510.0104.0000 510.0104.0000 Bellows and belows conversion kit (Item 15) Stainless steel p ≤ 40 bar / 580 psig = 400.7949.0000 1.4571/316Ti bellows p > 40 bar / 580 psig = 400.6349.0000 Conversion kit ≤ PN 40 / CL 600 5021.1050 > PN 40 / CL 600 5021.1051 Type 459 HDD LWN 481.01-E 06/13
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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
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Type 437 Capacities - Air Capacitie
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Type 437 Determination of coefficen
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Type Type 438 Packed knob H4 Conven
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Type 438 4 5 6 Options Documentatio
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Type 438 How to order - Article num
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Type 438 Dimensions and weights - M
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Type 438 Dimensions and weights - U
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Type 438 Order information - Spare
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Type 438 Approvals Approvals Actual
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Type 438 Determination of coefficen
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Type 439 Packed knob H4 Type 439 Sa
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Type 439 4 5 6 Options Documentatio
Page 63 and 64: Type 439 Pressure temperature ratin
Page 65 and 66: Type 439 Dimensions and weights - M
Page 67 and 68: Type 439 Dimensions and weights - U
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
Page 85 and 86: Type 459 Available designs - materi
Page 87 and 88: Type 459 4 5 6 Options Documentatio
Page 89 and 90: Type 459 How to order - Article num
Page 97 and 98: Type 459 Order information - Spare
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 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
Page 123 and 124: Type 462 Available designs - materi
Page 125 and 126: Type 462 4 5 6 Options Documentatio
Page 127 and 128: Type 462 How to order - Article num
Page 135 and 136: Type 462 Order information - Spare
Page 137 and 138: Type 462 Approvals Europe Approvals
Page 139 and 140: Type 462 Capacities - US Units Capa
Page 141 and 142: Type 462 HDD Safety Relief Valves H
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Page 145 and 146: Type 462 HDD 4 5 6 Options Document
Page 147 and 148: Type 462 HDD How to order - Article
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Page 155 and 156: Type 462 HDD Approvals Europe Appro
Page 157 and 158: Type 462 HDD Capacities - US Units
Page 159 and 160: Accessories and Options Contents Ch
Page 161 and 162: Accessories and Options Overview Op
Page 163 and 164: 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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