【正文】
80 80 to ? 120 R R 2Rp0,2 200 190 180 185 175 165 185 175 165 175 165 155 CuNi10Fe1Mn (CuNi10Fe) F30 15 to ? 60 60 to ? 120 Rp1,0Rp1, 0 145 125 138 118 133 114 128 109 123 104 118 99 F32 15 to ? 60 Rp0,2 200 190 185 175 170 165 F35 15 to ? 60 Rp0,2 250 235 225 220 210 205 CuNi30Mn1Fe (CuNi30Fe) F35 15 to ? 60 60 to ? 120 Rp1,0Rp1, 0 175 140 163 130 158 126 153 123 148 120 143 117 138 112 F41 15 to ? 60 Rp0,2 300 275 265 260 255 245 240 CuAl10Ni5Fe4 (CuAl10Ni) F63 15 to ? 80 Rp0,2 270 265 260 260 250 NOTE The pressure/temperature ratings ply with EN 10923, EN 17593 or ISO 70053. Licensed Copy: Manchester ATHENS, University of Manchester, 22/10/2020 12:29, Uncontrolled Copy, (c) BSI Calculation parameters Calculation parameters shall be in accordance with Table 7 to Table 10. Table 7 — Strength values for plates 175 p1,0 p1, p1,0 p1, p0,2 p0, BS EN 125164:2020 EN 125164:2020 (E) 11 Material code Material condition Thickness mm Type of test value Minimum value at temperature 176。C to 100 176。C to 100 176。C to 150 176。C to 80 176。C to 50 176。C, when the pressure is reduced to half the maximum allowable pressure during a period up to 8 h or to atmospheric pressure during a period up to 24 h. Calculation parameters Calculation parameters are based on EN 12982 and shall be in accordance with Table 12. Pressure/temperature ratings for wrought aluminium alloys The pressure/temperature ratings shall ply with EN 10924. BS EN 125164:2020 EN 125164:2020 (E) 14 Licensed Copy: Manchester ATHENS, University of Manches。C to 50 176。C to 50 176。C to 250 176。C to 300 176。C to 100 176。C 50 100 150 200 250 300 350 N/mm2 SFCu F20 Rp1,0 60 55 55 Rm 200 200 175 150 125 F22 Rp1,0 65 58 58 Rm 220 220 195 170 145 F25 Rp0,2 150 135 130 125 120 CuZn20Al2 F34 Rp1,0 130 125 125 120 F39 Rp0,1 160 148 143 138 CuZn28Sn1 F32 Rp1,0 105 103 100 F36 Rp1,0 150 144 140 135 CuNi10Fe1Mn F29 Rp1,0 115 108 105 102 98 93 CuNi30Mn1Fe F37 Rp1,0 140 130 126 123 120 117 112 CuNi30Fe2Mn2 F42 Rp0,2 145 140 135 125 120 Table 10 — Strength values for bars and rods Material code Material condition Type of test value Minimum value at temperature 176。C. c Materials should be preferred. d Material can be used down to – 196 176。C to 260 176。C to 200 176。C to 260 176。C to 260 176。C to 260 176。C to 200 176。C to 200 176。C c to 250 176。C to 300 176。C c to 250 176。C to 250 176。C to 250 176。C to 250 176。C ? extra thickness due to casting process mm ? casting tolerance mm BS EN 125164:2020 EN 125164:2020 (E) 6 Licensed Copy: Manchester ATHENS, University of Manchester, 22/10/2020 12:29, Uncontrolled Copy, (c) BSI 4 Interrelation of thickness definitions Key ec calculated wall thickness emin minimum wall thickness including corrosion allowance c2 corrosion allowance c1 = ? ? ? manufacturer allowance c1 e0 , e1 total wall thickness Figure 1 — Interrelation of thicknesses definitions The manufacturer shall decide the thickness allowance for corrosion or other chemical attack. 5 Requirements General When materials specified in followi ng tables are not available, other suitable materials may be used when the technical documentation defining the characteristics of these materials has been accepted in accordance with the requirements for European Approval for Materials (EAM) or Particular Material Appraisal (PMA). The calculation method for a valve shell in materials other than steel shall be in accordance with EN 125162. The choice of materials and their parameters shall be taken from the following clauses of this European Standard. BS EN 125164:2020 EN 125164:2020 (E) 7 Licensed Copy: Manchester ATHENS, University of Manchester, 22/10/2020 12:29, Uncontrolled Copy, (c) BSI Materials — Cast iron General Materials shall be in accordance with Table 2. Table 2 — Allowable material grades Graphite structure Standard Rm N/mm2 Designation Symbol Number Grey cast iron EN 1561 EN 1561 200a 250 ENGJL200 ENGJL250 ENJL1030 ENJL1040 Spheroidal graphite cast iron EN 1563 EN 1563 EN 1563 EN 1563 EN 1563 EN 1563 EN 1563 EN 1563 EN 1563 EN 1563 EN 1563 350 350 350 400 400 400 400 400 500 600 700 ENGJS35022LT ENGJS35022ULT ENGJS35022RT ENGJS40018 ENGJS40018LT ENGJS40018RT ENGJS40015 ENGJS40018ULT ENGJS5007 ENGJS6003 ENGJS7002 ENJS1015 ENJS1019 ENJS1014 ENJS1020 ENJS1025 ENJS1024 ENJS1030 ENJS1049 ENJS1050 ENJS1060 ENJS1070 Malleable cast iron EN 1562 EN 1562 300 350 ENGJMB3006 ENGJMB35010 ENJM1110 ENJM1130 a Grade 200 shall not be used for valves with flanged connections PN 25 or above. Material properties shall be taken from the material standards listed in Table 2. Calculation parameters Calculation parameters shall be in accordance with Table 3 to Table 4 Table 3 — Strength values for wall thickness up to 60 mm Material grade Characteristic value Strength characteristics Rp0,2 at operating temperature in 176。C MPa or N/mm2 Rp0,1 minimum 0,1 %proof strength at temperature t 176。 I S C HES KOM I TEE F 220。r druc