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1 SAFE Safety valves ARI-SAFE - Full lift- / Standard - safety valve ARI-SAFE Full lift safety valve D/G Standard safety valve F Type-test approved acc. to TRD and AD-A2 Direct loaded with spring: TÜV SV D/G Figure TÜV SV F Figure 901/911 Further approvals: see inside ARI-SAFE Standard safety valve for the heating technology Type-test approved acc. to TRD 721 Direct loaded with spring: TÜV SV D/G/H Figure 903 TÜV SV D Figure 904 Direct loaded with weight: TÜV SV D Figure 990 ARI-SAFE-P Standard safety valve D/G/F Type-test approved acc. to TRD and AD-A2 Direct loaded with spring: TÜV SV D/G Figure TÜV SV F Figure 921/923 ARI-SAFE-TC Full lift safety valve D/G Standard safety valve F Type-test approved acc. to TRD and AD-A2 Direct loaded with spring: TÜV SV D/G Figure TÜV SV F Figure 941/943 Fig Page 2 Fig Page 6 Fig Page 10 Fig Page 14 Fig. 900 Fig. 940 ARI-SAFE-TC Standard safety valve for the heating technology Type-test approved acc. to TRD 721 Direct loaded with spring: TÜV SV D/G/H Figure 945 TÜV SV D Figure 946 Fig Page 16 ARI-SAFE-TCP Standard safety valve D/G/F Type-test approved acc. to AD-A2 Direct loaded with spring: TÜV SV D/G/F Figure Fig Page 18 ARI-SAFE-TCS Standard safety valve D/G/F Type-test approved acc. to AD-A2 Direct loaded with spring: TÜV SV D/G/F Figure FOR HORIZONTAL APPLICATION Fig Page 20 Fig. 920 Fig. 950 / 960 Features: Direct loaded with spring Direct loaded with weight (only Fig. 990) Wear resistant seat/disc Precision disc alignment and guide Possible with soft seal disc Possible with EPDM bellow Possible with stainless steel bellow All common thread types (SAFE-TC/TCP/TCS) Edition 11/02 - Data subject to alteration Data sheet

2 SAFE ARI-SAFE - Full lift safety valve D/G Standard safety valve F Fig closed lifting device closed bonnet Fig open lifting device open bonnet Fig gastight cap closed bonnet Fig open lifting device closed bonnet Figure Nom. pressure Material Nominal diameter Temperature range Flanges Flangeholes/-thickness tolerances / 902 / 911 / 912 PN 16 / 16 GG-25 DN 20/32 up to DN 150/ C up to +300 C DIN EN DIN 2533 / / 902 / 911 / 912 PN 40 / 16 GGG-40.3 DN 20/32 up to DN 100/ C up to +350 C DIN EN DIN / / 902 / 911 / 912 PN 40 / N DN 20/32 up to DN 150/ C up to +450 C DIN EN DIN 2545 / / 911 PN 40 / DN 20/32 up to DN 100/ C up to +400 C DIN EN DIN 2545 / 2543 Type-test approval Full lift valve: TÜV SV D/G (Stand. valve 0,2-0,5 bar) Standard valve: TÜV SV F DN set gauge pressure see Capacity Requirement Acc. to VdTÜV-leaflet 100, AD-leaflet A2, TRD 421, material selection observe TRB 801 No. 45! Application Construction Sizing Medium gasform: Medium liquid: Order data: GG-25; GGG-40.3; N steam, neutral gases, vapours and liquids steam, aggressive gases, vapours and liquids Safety valve, spring loaded, direct loaded For steam, air and water see capacity tables, calculation acc. to DIN 3320 part 1, TRD 421 and AD-A2, necessary information for valve layout: Mass flow (), molar mass (kg/kmol), temperature ( C), set gauge pressure (bar), back gauge pressure (bar) Mass flow (), density (kg/m3), viscosity, temperature ( C), Set gauge pressure (bar), back gauge pressure (bar) ARI-SAFE-safety valve - Figure..., DN... /..., PN.. /.., Material..., set gauge pressure... bar DN 20 / / / / / / / / / / 250 Weight (kg) 8, Weight, bellow design (kg) 9,5 11, , without metal bellow with metal bellow static back pressure no backpressure allowed on request dynamic back pressure max. 15% from set pressure (gauge) on request 2 Edition 11/02 - Data subject to alteration

3 Capacity saturated steam / air incl. 10% overpressure Fig. 901 / 902 / 911 / 912 max. set pressure stainless steel execution Set gaugepressure I Saturated steam in II Air 0 C and bara in Nm 3 /h bar DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 I II I II I II I II I II I II I II I II I II I II 0, , , , , , , TÜV SV D/G Calculation acc. to TRD 421 and AD-leaflet A DN125, DN150 higher pressures on request Stainless steel execution max. 24 bar for saturated steam. Spring ranges in bar (gauge) DN 20 DN DN 65 DN 80 DN 100 DN 125 DN 150 0,2-0,5 0,2-0,5 0,2-0,5 0,2-0,5 0,2-0,5 0,2-0,4 0,2-0,5 0,52-1 0,52-1 0,52-1 0,52-1 0,52-1 0,42-0,75 0,52-1 1,05-1,5 1,05-1,5 1,05-1,5 1,05-1,5 1,05-1,5 0,77-1,1 1,05-1,5 1,55-2,5 1,55-2 1,55-2 1,55-2 1,55-2 1,15-1,5 1,55-1,9 2,55-4,5 2,05-2,7 2,05-2,7 2,05-2,7 2,05-2,5 1,55-1,9 1,95-2,3 4,6-8,5 2,75-3,6 2,75-3,6 2,75-3,6 2,55-3 1,95-2,5 2,35-2,7 8,6-19 3,7-5 3,7-5 3,7-5 3,05-3,6 2,55-2,95 2,75-3,3 19,1-28 5,1-9 5,1-9 5,1-9 3, ,35-4,1 28,1-35 9,1-16 9,1-16 9,1-14 5,1-9 4,1-5,7 4,2-5,5 35, , , ,1-19 9,1-14 5,8-8,2 5,6-7,4 22, , , ,1-19 8,3-12 7, , , , , , , , ,1-26 Edition 04/02 - Data subject to alteration 3

4 SAFE Fig closed lifting device closed bonnet Fig open lifting device open bonnet Fig gastight cap closed bonnet Fig open lifting device closed bonnet 4 Edition 03/01 - Data subject to alteration

5 Capacity water incl. 10% overpressure Fig. 901 / 911 max. set pressure stainless steel execution Gauge press. Water 20 C in t/h bar DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 0,2 3,28 5,13 8,53 13,1 20,5 30,8 46,7 73,0 94,9 132,0 0,5 5,19 8,12 13,5 20,8 32,5 48,8 73,9 115,0 150,0 209,0 1 7,35 11,5 19,1 29,4 45,9 69,0 104,0 163,0 212,0 295,0 2 10,4 16,2 27,0 41,6 64,9 97,5 148,0 231,0 300,0 417,0 3 12,7 19,9 33,0 50,9 79,5 119,0 181,0 283,0 368,0 511,0 4 14,7 22,9 38,1 58,7 91,8 138,0 209,0 326,0 424,0 590,0 5 16,4 25,7 42,6 65,5 102,0 154,0 233,0 365,0 474,0 660,0 6 18,0 28,1 46,7 72,0 112,0 169,0 256,0 400,0 520,0 723,0 7 19,4 30,4 50,4 77,7 121,0 182,0 276,0 432,0 562,0 781,0 8 20,8 32,5 53,9 83,1 130,0 195,0 295,0 461,0 600,0 835,0 9 22,0 34,4 57,2 88,1 138,0 207,0 313,0 490,0 637,0 885, ,2 36,3 60,3 92,9 145,0 218,0 330,0 516,0 671,0 933, ,4 38,0 63,2 97,4 152,0 229,0 346,0 540,0 703,0 977, ,4 39,7 66,0 102,0 159,0 239,0 362,0 565,0 735,0 1022, ,5 41,4 68,7 106,0 165,0 249,0 376,0 587,0 764,0 1062, ,5 42,9 71,3 110,0 172,0 258,0 391,0 611,0 794,0 1104, ,4 45,9 76,3 117,0 184,0 276,0 418,0 653,0 849,0 1181, ,2 48,7 80,9 125,0 195,0 293,0 443,0 692,0 900,0 1252, ,0 49,9 82,9 128,0 200,0 300,0 454,0 710,0 923,0 1284, ,8 51,3 85,3 131,0 205,0 308,0 467,0 730,0 949,0 1320, ,7 52,6 87,4 135,0 210,0 316,0 479,0 748,0 973,0 1350, ,0 56,2 93,4 144,0 225,0 338,0 512,0 800,0 1040,0 1443, ,7 57,4 95,3 147,0 229,0 345,0 522,0 1059,0 1473, ,4 58,5 97,2 150,0 234,0 352,0 1080,0 1502, ,2 59,6 99,0 153,0 238,0 358,0 1100, ,9 60,7 101,0 155,0 243,0 365, ,2 62,9 104,0 161,0 251,0 TÜV SV F 32 41,5 64,8 108,0 166,0 259, ,8 66,9 111,0 171,0 268, ,4 Stainless steel-bellow: Spring ranges in bar (gauge) DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 3,0-3,7 2,5-3,3 2,5-3,2 2,6-3,6 2,8-3,4 2,5-3,7 2,5-3,3 2,5-3,5 3,8-4,6 3,4-4,6 3,3-4,0 3,7-4,5 3,5-4,5 3,8-4,6 3,4-4,5 3,6-4,2 4,7-6,3 4,7-5,4 4,1-5,5 4,6-5,6 4,6-8,4 4,7-5,9 4,6-5,8 4,3-4,9 6,4-8,4 5,5-7,0 5,6-6,4 5,7-7,5 8,5-10,0 6,0-8,0 5,9-7,5 5,0-5,6 8,5-10,2 7,1-9,0 6,5-7,9 7,6-10,0 10,1-11,5 8,1-10,0 7,6-8,9 5,7-7,0 10,3-13,0 9,1-11,7 8,0-11,5 10,1-12,5 11,6-16,0 10,1-18,0 9,0-10,5 7,1-8,0 13,1-17,0 11,8-16,0 11,6-18,5 12,6-16,0 16,1-18,5 10,6-13,0 8,1-9,3 17,1-27,5 16,1-22,0 18,6-25,0 16,1-22,0 18,6-23,0 13,1-14,0 9,4-11,5 22,1-30,0 11,6-13,0 Design with bellow as standard valve (only Fig. 901/911) DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 d o in mm 18 22, , A o in mm Edition 08/01 - Data subject to alteration 5

6 SAFE ARI-SAFE - Heating-safety valve - Figure 903 EPDM-disc, soft seal insert; EPDM-bellow (Design DN ) (Design DN ) Figure Nom. pressure Material Nominal diameter Temperature range Flanges Flangeholes/-thickness tolerances PN 16 / 16 GG-25 DN 20/32 up to DN 150/ C up to +120 C DIN EN DIN 2533 / 2533 Type-test approval Figure 903 spring loaded TÜV SV D/G/H Heatingsafety valve Special execution: Drainhole with plug Set gauge pressure see Capacity Requirement Acc. to TRD 721 Part 6, material selection observe TRD! (GG-25 max. 10 bar)* Application Acc. to DIN 4751 Part 2 for heating systems with flow temperatures up to 120 C Construction Standard safety valve, spring loaded, direct loaded metal seat with EPDM insert, EPDM-bellow, closed spring bonnet with control hole, open lifting device, stainless steel seat and spindle Sizing Acc. to TRD Part 6.2.5, see capacity-tables Figure 903 Order data: ARI-SAFE-safety valve - Figure..., DN... /..., PN.. /.., Material..., Set gauge pressure... bar The safety valves are available with pressure rates 0,5 bar. * > 10 bar GGG-40.3 or N DN 20 / / / / / / / / / / 250 Weight (kg) 8,5 9,5 13, Edition 11/02 - Data subject to alteration

7 Capacity saturated steam incl. 10% overpressure Fig. 903 Set gauge Saturated steam in Heating capacity in pressure Capacity Inlet diameter in bar DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN , , , , , , , , , , , , , , , , , , , , , , , Calculated acc. to TRD 721 Part 6 and AD-leaflet A2 Capacity - water in Sizing: 1 l/h ^= 1 Set gauge pressure in bar DN DN Sizing safety valves for the volume flow of water expansion (DIN 4751 P2 - Part 8.1) Spring ranges in bar (gauge) DN 20 DN DN 65 DN 80 DN 100 DN 125 DN 150 0,2-0,5 0,2-0,5 0,2-0,5 0,2-0,5 0,2-0,5 0,2-0,4 0,2-0,5 0,52-1 0,52-1 0,52-1 0,52-1 0,52-1 0,42-0,75 0,52-1 1,05-1,5 1,05-1,5 1,05-1,5 1,05-1,5 1,05-1,5 0,77-1,1 1,05-1,5 1,55-2,5 1,55-2 1,55-2 1,55-2 1,55-2 1,15-1,5 1,55-1,9 2,55-4,5 2,05-2,7 2,05-2,7 2,05-2,7 2,05-2,5 1,55-1,9 1,95-2,3 4,6-8,5 2,75-3,6 2,75-3,6 2,75-3,6 2,55-3 1,95-2,5 2,35-2,7 8,6-16 3,7-5 3,7-5 3,7-5 3,05-3,6 2,55-2,95 2,75-3,3 5,1-9 5,1-9 5,1-9 3, ,35-4,1 9,1-16 9,1-16 9,1-14 5,1-9 4,1-5,7 4,2-5,5 14,1-16 9,1-14 5,8-8,2 5,6-7,4 14,1-16 8,3-12 7, , ,1-16 Edition 08/00 - Data subject to alteration 7

8 SAFE ARI-SAFE - Low pressure steam-safety valve - Figure 904 / 990 Screw Transportprotection Metal seal; EPDM-bellow (Design DN ) (Design DN ) Fig. 904 Fig. 990 Figure Nom. pressure Material Nominal diameter Temperature range Flanges Flangeholes/-thickness tolerances PN 16 / 16 GG-25 DN 20/32 up to DN 150/ C up to +120 C DIN EN DIN 2533 / PN 16 / 16 GG-25 DN 25/40 up to DN 100/ C up to +120 C DIN EN DIN 2533 / 2533 Type-test approval Figure 904 spring loaded TÜV SV D Low pressure steamsafety Figure 990 weight loaded TÜV SV D valve Set gauge pressure see Capacity Requirement Acc. totrd 721 Part 5 Application For low pressure steamgenerators up to 1 bar, DIN 4750 and DIN 4751 Part 1 Construction Standard safety valve, spring/weight loaded, direct loaded, EPDM-bellow, closed bonnet with control hole, open lifting device, stainless steel seat and spindle Sizing See capacity-tables Figure 904 / 990 Order data: ARI-SAFE-safety valve - Figure..., DN... /..., PN.. /.., Material..., set gauge pressure... bar DN 20 / / / / / / / / / / 250 Weight Fig. 904 (kg) 8,5 9,5 13, Weight Fig. 990 (kg) Edition 11/02 - Data subject to alteration

9 Capacity Fig. 904 / 990 Set gaugepressure Saturated steam in Figure 990 Capacity Heating capacity in bar DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 0,1 Mcal/h ,15 0,2 0,25 0,3 0,35 0,4 0,45 0,5 Mcal/h Mcal/h Mcal/h Mcal/h Mcal/h Mcal/h Mcal/h Mcal/h Set gaugepressure Capacity Saturated steam in Figure 904 bar DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 0, , , , , , , , , Conversionrates: 1 = 860 kcal/h* = 0,86 Mcal/h* = 3,6 MJ/h * not lawful units 1 Mcal/h* = 1000 kcal/h* = 1,163 ARI-SAFE- Figure 990 weight loaded, 0,1-0,5 bar set pressure. ARI-SAFE- Figure 904 spring loaded, 0,2-1 bar set pressure. Edition 08/00 - Data subject to alteration 9

10 SAFE-P ARI-SAFE-P - Standard safety valve D/G/F Fig closed lifting device closed bonnet Fig open lifting device closed bonnet Fig gastight cap closed bonnet Fig open lifting device open bonnet Figure Nom. pressure Material Nominal diameter Temperature range Flanges Flangeholes/-thickness tolerances / 922 / 923/ 924 PN 16 GG-25 DN 20 up to DN C up to +300 C DIN EN DIN / 922 / 923 / 924 PN N DN 20 up to DN C up to +450 C DIN EN DIN / 923 PN DN 20 up to DN C up to +400 C DIN EN DIN 2545 Type-test approval Standard valve: TÜV SV D/G Figure Standard valve: TÜV SV F Figure 921 / 923 Set gauge pressure see Capacity Requirement Application Construction Sizing Medium gasform: Medium liquid: Order data: Acc. to VdTÜV-leaflet 100, AD-leaflet A2, TRD 421, material selection observe TRB No.45! GG-25; N steam, neutral gases, vapours and liquids steam, aggressive gases, vapours and liquids Safety valve, spring loaded, direct loaded For steam, air and water see capacity tables, calculation acc. to DIN 3320 Part 1, TRD 421 and AD-A2, necessary information for valve layout: Mass flow (), molar mass (kg/kmol), temperature ( C), set gauge pressure (bar), back gauge pressure (bar) Mass flow (), density (kg/m3), viscosity, temperature ( C), set gauge pressure (bar), back gauge pressure (bar) ARI-SAFE-P-safety valve - Figure..., DN..., PN..., Material..., set gauge pressure... bar DN Weight (kg) 5 5,5 8 9,5 11,5 15,5 20,5 33 Weight, bellow design (kg) 5, ,5 12,8 17, without metal bellow with metal bellow static back pressure no backpressure allowed on request dynamic back pressure max. 15% from set pressure (gauge) on request 10 Edition 11/02 - Data subject to alteration

11 Capacity saturated steam / air incl. 10% overpressure Fig. 921 / 922 / 923 / 924 max. set pressure stainless steel execution Set gaugepressure I Saturated steam in II Air 0 C and bara in Nm 3 /h bar DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 I II I II I II I II I II I II I II I II 0,2 1) , , , , ) DN 20-0,3bar Stainless steel execution max. 24 bar for saturated steam Spring ranges in bar (gauge) DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 0,3-0,5 0,2-0,6 0,2-0,55 0,2-0,4 0,2-0,4 0,2-0,5 0,2-0,6 0,2-0,5 0,52-1,0 0,62-1,1 0,57-0,8 0,42-0,6 0,42-0,6 0,52-1,2 0,62-1,2 0,52-1,1 1,05-1,4 1,15-2,0 0,82-1,2 0,62-1,1 0,62-1,2 1,25-2,0 1,25-2,1 1,15-1,7 1,45-1,9 2,05-2,7 1,25-2,0 1,15-1,8 1,25-1,8 2,05-2,7 2,15-2,6 1,75-2,4 1,95-2,5 2,75-3,7 2,05-3,3 1,85-2,7 1,85-2,5 2,75-3,4 2,65-3,2 2,45-3,1 2,55-3,5 3,8-5,0 3,35-5,2 2,75-4,3 2,55-3,2 3,45-4,5 3,25-4,2 3,15-4,0 3,55-4,0 5,1-8,0 5,3-8,0 4,4-6,0 3,25-4,5 4,6-5,5 4,3-5,5 4,1-5,0 4,1-5,5 8,1-10,5 8,1-11,5 6,1-9,0 4,6-8,5 5,6-6,8 5,6-6,5 5,1-8,0 5,6-7,0 10,6-15,0 11,6-16,5 9,1-12,0 8,6-13,0 6,9-8,5 6,6-9,0 8,1-11,0 7,1-10,5 15,1-23,0 16,6-22,0 12,1-17,0 13,1-17,0 8,6-14,0 9,1-12,0 11,1-17,5 10,6-17,0 23,1-35,0 22,1-30,0 17,1-30,0 17,1-23,0 14,1-23,0 12,1-16,5 17,6-27,5 17,1-25,0 35,1-40,0 30,1-40,0 30,1-40,0 23,1-34,0 23,1-34,0 16,6-20,0 27,6-40,0 25,1-37,0 34,1-40,0 34,1-40,0 20,1-33,0 37,1-40,0 33,1-40,0 Edition 04/02 - Data subject to alteration 11

12 SAFE-P Fig closed lifting device closed bonnet Fig open lifting device closed bonnet Fig gastight cap closed bonnet Fig open lifting device open bonnet 12 Edition 03/01 - Data subject to alteration

13 Capacity water incl. 10% overpressure Fig. 921 / 923 max. set pressure stainless steel execution Gauge press. Water 20 C in t/h bar DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 0,2 1) 0,86 0,97 1,4 1,95 3,63 6,33 8,36 13,06 0,5 1,11 1,54 2,21 3,09 5,74 10,0 13,22 20,6 1 1,57 2,17 3,13 4,37 8,12 14,15 18,69 29,2 2 2,22 3,07 4,42 6,17 11,48 20,0 26,4 41,3 3 2,72 3,76 5,42 7,56 14,07 24,5 32,4 50,6 4 3,14 4,35 6,26 8,73 16,24 28,3 37,4 58,4 5 3,51 4,86 7,0 9,76 18,16 31,6 41,8 65,3 6 3,85 5,32 7,66 10,69 19,89 34,6 45,8 71,6 7 4,16 5,75 8,28 11,55 21,5 37,4 49,5 77,3 8 4,45 6,14 8,85 12,35 23,0 40,0 52,9 82,6 9 4,72 6,52 9,39 13,1 24,4 42,4 56,1 87,6 10 4,97 6,87 9,89 13,81 25,7 44,7 59,1 92,4 12 5,44 7,53 10,84 15,12 28,1 49,0 64,8 100,2 14 5,88 8,13 11,71 16,34 30,4 52,9 69,9 109,3 16 6,29 8,69 12,51 17,46 32,5 56,6 74,8 116,8 18 6,67 9,22 13,27 18,52 34,4 60,0 79,3 123,9 20 7,03 9,72 14,0 19,53 36,3 63,3 83,6 130,6 22 7,37 10,19 14,7 20,5 38,1 66,3 87,7 137,0 24 7,7 10,64 15,33 21,4 39,8 69,3 91,6 143,1 25 7,86 10,86 15,64 21,8 40,6 70,7 93,3 146,0 26 8,0 11,06 15,92 22,2 41,3 72,0 95,1 148,6 28 8,3 11,47 16,52 23,1 42,9 74,7 98,7 154,2 30 8,6 11,88 17,1 23,9 44,4 77,3 102,2 159,7 35 9,28 12,83 18,47 25,8 47,9 83,5 110,4 172,5 40 9,92 13,71 19,75 27,6 51,3 89,3 118,0 184,4 1) DN20-0,3 bar Stainless steel-bellow: Spring ranges in bar (gauge) DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 3,0-5,5 3,0-4,8 3,0-4,5 3,0-4,5 3,0-3,5 3,0-3,5 3,0-3,5 3,0-4,5 5,6-8,0 4,9-6,0 4,6-8,0 4,6-5,7 3,6-5,0 3,6-4,3 3,6-4,9 4,6-6,5 8,1-12,0 6,1-8,0 8,1-11,0 5,8-10,0 5,1-7,0 4,4-5,9 5,0-7,0 6,6-10,0 12,1-21,0 8,1-12,5 11,1-14,5 10,1-16,0 7,1-10,5 6,0-7,5 7,1-9,0 10,1-18,0 21,1-27,5 12,6-16,0 14,6-21,0 16,1-22,0 10,6-15,5 7,6-8,8 9,1-11,0 18,1-35,0 27,6-40,0 16,1-20,5 21,1-40,0 22,1-31,0 15,6-20,0 8,9-14,0 11,1-14,7 20,6-30,0 31,1-40,0 20,1-40,0 14,1-21,0 14,8-18,8 30,1-40,0 21,1-30,0 18,9-35,0 30,1-40,0 Design with bellow as standard valve (only Fig. 921/923) DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 d o in mm A o in mm Edition 08/00 - Data subject to alteration 13

14 SAFE-TC ARI-SAFE-TC - Full lift safety valve D/G Standard safety valve F Fig closed lifting device Fig open lifting device Fig gastight cap Figure Nom. pressure Material Nominal diameter Temperature range Thread / 942 / 943 PN 40 GGG-40.3 DN 15 up to DN C up to +350 C DIN ISO 228 Part / 943 PN DN 15 up to DN C up to +400 C DIN ISO 228 Part 1 Type-test approval Full lift valve: TÜV SV D/G Figure Set gauge pressure see Standard valve: TÜV SV F Figure 941 / 943 Capacity Requirement Acc. to VdTÜV-leaflet 100, AD-leaflet A2, TRD 421 Application GGG-40.3 steam, neutral gases, vapours and liquids steam, aggressive gases, vapours and liquids Construction Safety valve, spring loaded, direct loaded Sizing for steam, air and water see capacity tables, calculation acc. to DIN 3320 Part 1, TRD 421 and AD-A2 necessary information for valve layout: Medium gasform: Mass flow (), molar mass (kg/kmol), temperature ( C), set gauge pressure (bar), back gauge pressure (bar) Medium liquid: Mass flow (), density (kg/m3), viscosity, temperature ( C), set gauge pressure (bar), back gauge pressure (bar) Order data: ARI-SAFE-TC-safety valve - Figure..., DN..., PN.., Material..., set gauge pressure... bar DN Weight (kg) 3,5 3,5 3,8 Weight, bellow design (kg) 4,4 4,4 4,7 14 Edition 04/02 - Data subject to alteration

15 Capacity saturated steam / air / water incl. 10% overpressure Fig. 941 / 942 / 943 Set gauge pressure I Saturated steam in II Air 0 C and bara in Nm 3 /h III Water 20 C in t/h DN 15 DN 20 DN 25 DN 25 Inlet Male G1/2 G3/4 G1 G1 bar Outlet Female G3/4 G1 G1 1/4 G1 1/2 do mm I II III I II III I II III I II III 0, , ,22 0, , , , ,94 0, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,50 Stainless steel execution max. 24 bar for saturated steam. DN Spring ranges in bar (gauge) 15 0,3-0,6 0,62-0,9 0,92-1,35 1,4-2,2 2,25-3,3 3,35-4,5 4,6-5,5 5,6-6,7 6,8-8,2 8, , ,1-18,5 18,6-32,4 32, ,3-0,48 0,5-0,68 0,7-1,35 1,4-2,1 2,15-3 3,05-4 4,1-5,5 5,6-7,7 7,8-11,4 11, , , , , ,2-0,4 0,42-0,88 0,9-1,5 1,55-2,1 2,15-2,6 2,65-3,2 3,25-4,2 4,3-6,2 6,3-8 8, ,1-15,5 15, ,1-29, DN stainless steel-bellow: Spring ranges in bar (gauge) 15 5,7-6,5 6,6-8 8,1-9,3 9, , , , , ,7 5,8-7 7,1-9, , ,1-28, ,4 5,5-6,4 6,5-7,4 7,5-8,4 8,5-10,4 10,5-13,4 13,5-16,4 16,5-20,4 20,5-28 Design with bellow as standard valve (only -Fig. 941/943) Edition 04/02 - Data subject to alteration 15

16 SAFE-TC ARI-SAFE-TC - Heating-safety valve - Figure 945 Low pressure steam-safety valve - Figure 946 EPDM - bellow EPDM soft seal-disc Fig. 945 EPDM - bellow metal seal Fig. 946 Figure Nom. pressure Material Nominal diameter Temperature range Thread PN 40 GGG-40.3 DN 15 up to DN C up to +120 C DIN ISO 228 Part 1 Type-test approval Figure 945 spring loaded TÜV SV D/G/H Heatingsafety valve Requirement Acc. to TRD 721 Part 6 Application Acc. to DIN 4751 Part 2 for heating systems with flow temperatures up to 120 C Construction Standard safety valve, spring loaded, direct loaded disc with EPDM insert, EPDM-bellow, closed bonnet with control hole, open lifting device, stainless steel seat and spindle Sizing Acc. to TRD 721 Part 6.2.5, see capacity-tables Figure 945 Order data: ARI-SAFE-safety valve - Figure..., DN..., PN.., material..., set gauge pressure... bar Set gauge pressure see Capacity Figure Nom. pressure Material Nominal diameter Temperature range Thread PN 40 GGG-40.3 DN 15 up to DN C up to +120 C DIN ISO 228 Part 1 Type-test approval Figure 946 spring loaded TÜV SV D Low pressure steamsafety valve Set gauge pressure see Capacity Requirement Acc.to TRD 721 Part 5 Application For low pressure steamgenerators up to 1 bar, DIN 4750 and DIN 4751 Part 1 Construction Standard safety valve, spring-/weight loaded, direct loaded with EPDM-bellow, closed bonnet with control hole, open lifting device, stainless steel seat and spindle Sizing See capacity-tables Figure 946 Order data: ARI-SAFE-safety valve - Figure..., DN..., PN.., material..., Set gauge pressure... bar DN Weight (kg) 3,5 3,5 3,8 16 Edition 04/02 - Data subject to alteration

17 Capacity saturated steam / water incl. 10% overpressure Fig. 945 / 946 Set gauge Figure 945 Saturated steam in Figure 946 pressure Capacity Inlet diameter Heating capacity in Inlet diameter in bar DN 15 DN 20 DN 25 DN 15 DN 20 DN 25 1, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Calculated acc. to TRD 721 Part 6 and AD-leaflet A2 Capacity - water in Sizing: 1 l/h ^= 1 Set gauge pressure in bar DN DN DN Sizing of the safety valves for the volume flow of the expansion water (DIN 4751 P2 - Part 8.1) Spring ranges in bar (gauge) DN 15 0,3-0,6 0,62-0,9 0,92-1,35 1,4-2,2 2,25-3,3 3,35-4,5 4,6-5,5 5,6-6,7 6,8-8,2 8, , ,1-16 DN 20 0,3-0,48 0,5-0,68 0,7-1,35 1,4-2,1 2,15-3 3,05-4 4,1-5,5 5,6-7,7 7,8-11,4 11, ,1-16 DN 25 0,2-0,4 0,42-0,88 0,9-1,5 1,55-2,1 2,15-2,6 2,65-3,2 3,25-4,2 4,3-6,2 6,3-8 8, ,1-15,5 15,6-16 DN 15 DN 20 DN 25 DN 25 G E 1/2 3/4 1 1 G A 3/ /4 1 1/2 d o in mm A o in mm Edition 08/00 - Data subject to alteration 17

18 SAFE-TCP ARI-SAFE-TCP - Standard safety valve D/G/F alternativ with lever Fig closed lifting device Fig open lifting device Fig gastight cap Figure Nom. pressure Material Nominal diameter Temperature range Thread / 962 / 963 PN /GGG-40.3 DN 15 up to DN C up to +300 C DIN ISO 228 Part / 963 PN DN 15 up to DN C up to +300 C DIN ISO 228 Part 1 Type-test approval Standard valve: TÜV SV D/G/F Figure Set gauge pressure see Capacity Requirement Application Construction Sizing Medium gasform: Medium liquid: Order data: Acc. to VdTÜV-leaflet 100, AD-leaflet A /GGG-40.3 steam, neutral gases, vapours and liquids steam, aggressive gases, vapours and liquids Safety valve, spring loaded, direct loaded for steam, air and water see capacity tables, calculation acc. to DIN 3320 Part 1 and AD-A2 necessary information for valve layout: Mass flow (), molar mass (kg/kmol), temperature ( C), set gauge pressure (bar), back gauge pressure (bar) Mass flow (), density (kg/m3), viscosity, temperature ( C), set gauge pressure (bar), back gauge pressure (bar) ARI-SAFE-TCP-safety valve - Figure..., DN..., PN.., Material..., set gauge pressure... bar DN Weights (kg) 1,2 1,2 1,2 18 Edition 08/02 - Data subject to alteration

19 Capacity saturated steam / air / water incl. 10% overpressure Fig. 961 / 962 / 963 max. set pressure stainless steel execution Set gauge pressure I Saturated steam in II Air 0 C and bara in Nm 3 /h III Water 20 C in t/h DN 15 DN 20 DN 25 G1/2 x G 1/2 G3/4 x G 1/2 G1 x G 1 bar G1/2 x G 3/4 G3/4 x G 3/4 G3/4 x G 1 do mm 12 I II III I II III I II III 0, , , ,62 0, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,90 DN Spring ranges in bar (gauge) ,2-0,25 0,26-0,5 0,52-1 1,05-1,4 1,45-2,95 3-4, , , , , , ,1-100 Edition 04/02 - Data subject to alteration 19

20 SAFE-TCS ARI-SAFE-TCS - Standard safety valve D/G/F FOR HORIZONTAL APPLICATION alternativ with lever Fig closed lifting device Fig open lifing device Fig gastight cap Figure Nom. pressure Material Nominal diameter Temperature range Thread / 952 / 953 PN /GGG-40.3 DN 15 up to DN C up to +300 C DIN ISO 228 Part / 953 PN DN 15 up to DN C up to +300 C DIN ISO 228 Part 1 Type-test approval Standard valve: TÜV SV D/G/F Figure Set gauge pressure see Capacity Requirement Application Construction Sizing Medium gasform: Medium liquid: Order data: Acc. to VdTÜV-leaflet 100, AD-leaflet A /GGG-40.3 steam, neutral gases, vapours and liquids steam, aggressive gases, vapours and liquids Safety valve, spring loaded, direct loaded for steam, air and water see capacity tables, calculation acc. to DIN 3320 Part 1 and AD-A2 necessary information for valve layout: Mass flow (), molar mass (kg/kmol), temperature ( C), set gauge pressure (bar), back gauge pressure (bar) Mass flow (), density (kg/m3), viscosity, temperature ( C), set gauge pressure (bar), back gauge pressure (bar) ARI-SAFE-TCS-safety valve - Figure..., DN..., PN.., Material..., set gauge pressure... bar DN Weights (kg) 1,2 1,2 1,2 20 Edition 08/02 - Data subject to alteration

21 Capacity saturated steam / air / water incl. 10% overpressure Fig. 951 / 952 / 953 max. set pressure stainless steel execution Set gauge pressure I Saturated steam in II Air 0 C and bara in Nm 3 /h III Water 20 C in t/h DN 15 DN 20 DN 25 G1/2 x G 1/2 G3/4 x G 1/2 G1 x G 1 bar G1/2 x G 3/4 G3/4 x G 3/4 G3/4 x G 1 do mm 12 I II III I II III I II III 0, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,49 From 0,5-4,9 bar, adjustment - horizontal. DN Spring ranges in bar (gauge) ,5 0,52-1 1,05-1,4 1,45-2,95 3-4, , , , , , ,1-100 Edition 04/02 - Data subject to alteration 21

22 Safety valve-approvals Arbejdstilsynet Dänischer Arbeitsschutz / Danmark ABS American Bureau of Shipping AIB Vincotte Belgien BV Bureau Veritas DNV Det Norske Veritas GL Germanischer Lloyd GOST-R GUS-Länder IBR Indien Boiler Regulations ISPESL Italien / Italy ITI Tschechien / Czech Republic KRS Korean Register of Shipping LRS Lloyds Register of Shipping RINA Italien / Italy RS Register of Shipping SQLAO China Stoomwezen Niederlande / Netherlands SVTI Schweiz / Switzerland SZU Tschechien / Czech Republic TMB Staatliche Aufsicht Ungarn / Hungary TÜV Österreich / Austria UDT Polen / Poland VdTÜV Deutschland / Germany SAFE BR 900 SAFE-P BR 920 SAFE-TC BR 940 Fig Fig. 903 Fig. 904 Fig. 990 Fig Fig Fig. 945 Fig. 946 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Safety valveapprovals SAFE- TCS / TCP BR 950 / 960 Fig Fig X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 22 Edition 11/02 - Data subject to alteration

23 ARI-VASI - VAlve SIzing-Program Contents of ARI-VASI (Program part Safety valves ) - Sizing Calculation of valve-size with given capacity. - Capacity / reaction forces Capacity and reaction forces calculation with given valve. - Back pressure in the outlet pipe Complete back pressure calculation in the outlet pipe. - Pressure drop in the inlet pipe Allowable resistance coefficient and max. inlet pipe length calculation. Media: - Integrated media-databank (over 160 Media) with conditions: - Vapours / gases - Steam (saturated and superheated) - Liquids - Hot water - Thermal expansion Special features: - Project administration for the choosen safety valves together with control valves, pressure reducing valves, stop valves and butterfly valves. - SI- and ANSI-units with direct conversion to another databank. - All ARI safety valves are integrated in a databank. - Resistance coefficients of elbows and T-fittings integrated. - Direct switch over of languages (German / English) seperated to the screen and print. System Requirements: WINDOWS 95 / 98 / ME / NT or 2000 Edition 03/01 - Data subject to alteration 23

24 Parts Part Description Material, Material-No. 1 Body GG-25, GGG-40.3, N (GS-C25N) Seat (Fig. 903: ) -- 2a Screwed seat SAFE-TC Stud A Spindle guide Hexagon nut A Bonnet, closed GG-25, GGG-40.3, / GGG Disc unit Spindle Adjusting screw O-Ring FPM 28 Cap, closed GG-25, GGG-40.3, Cap, open GG-25, GGG-40.3, Cap, gastight GG-25, GGG-40.3, Lift fork GGG-40.3, a Lifting lever SAFE-TC GGG-40.3, Lifting lever, closed GGG-40.3, Alu 37 Spring 50 Cr V4, 54 SiCr / 54 SiCr 6 41 Lever, open GGG-40.3, Bonnet, open GG-25, GGG-40.3, Bellow EPDM Bellow unit Coupling SAFE-TC Weight Pb / St Guide bush SAFE TCS Coupling SAFE TCP / TCS O-Ring FPM 67 Lift button SAFE TCP / TCS Pressure-temperature-classification acc.to DIN EN / -2 Flangeholes/-thickness tolerances acc. to DIN Material PN Temperature -60 C till <-10 C* -10 C 20 C 120 C 150 C 200 C 250 C 300 C 350 C 400 C 450 C GG bar 16 bar 16 bar 14,4 bar 12,8 bar 11,2 bar 9,6 bar GGG bar 40 bar 40 bar 38,8 bar 36,8 bar 34,8 bar 32 bar 28 bar Material PN Temperature -60 C till <-10 C* -10 C 20 C 100 C 150 C 200 C 250 C 300 C 350 C 400 C 450 C N bar 40 bar 40 bar 37,3 bar 34,7 bar 30,2 bar 28,4 bar 25,8 bar 24 bar 23,1 bar 22,2 bar Intermediate values for max. permissible operational pressures can be determined by linear interpolation of the given temperature / pressure chart only from 120 C / 100 C upwards. Material PN Temperature * Studs and hexagon nuts out of A C till <+20 C 20 C 100 C 150 C 200 C 250 C 300 C 350 C 400 C ,2 bar 36,4 bar 31,1 bar 28,1 bar 25,8 bar 24 bar 22,6 bar 21,3 bar 20,4 bar ,6 bar 93,3 bar 84,4 bar 78,2 bar 73,3 bar 68,9 bar 64,4 bar 62,2 bar 60 bar Intermediate values for max. permissible operational pressures can be determined by linear interpolation of the given temperature / pressure chart only from 20 C upwards. Information / Restrictions of technical rules to be observed! The engineer, designing a system or a plant, is responsible for the selection of the correct valve. Edition 11/02 - Data subject to alteration 24

25 * Fig. 903, 904, 990 and stainless steel as special design SAFE Figure , 903, 904, 990 DN1 x DN2 20 x x x x x x x x x x 250 do (mm) 18 22, , D1 PN 16 DIN 2533 PN 40 DIN PN 40 DIN 2545 PN 16 DIN D2 PN 16 DIN PN 16 DIN 2543 GG b1 GGG N GG b2 GGG N l l H H, bellow design X G 1/4 G 3/8 Drainage hole with plug* Flanges acc. to DIN EN / -2, Flangeholes/-thickness tolerances acc. to DIN, raised face, facing acc. to DIN 2526 form C SAFE-P Figure DN do (mm) D PN 16 DIN 2533 PN 40 DIN Dimensions b GG N / l H H, bellow design X Flanges acc. to DIN EN / -2, Flangeholes/-thickness tolerances acc. to DIN, raised face, facing acc. to DIN 2526 form C SAFE-TC Figure SAFE-TCP Figure SAFE-TCS Figure DN DN G 1/2 x 3/4 3/4 x 1 1 x 1 1/4 1 x 1 1/2 G 2) 1/2 x 1/2 1/2 x 3/4 3/4 x 1/2 3/4 x 3/4 3/4 x 1 1 x 1 do (mm) do (mm) GE 1/2 3/4 1 1 GE 1/2 1/2 3/4 3/4 3/4 1 GA 3/ /4 1 1/2 GA 1/2 3/4 1/2 3/4 1 1 b b l l l l H H max H, bellow design X X ) Further connections on request. Edition 11/02 - Data subject to alteration 25

26 Special designs EPDM -35 C up to +150 C Abbreviation E Viton (FPM) -25 C up to +180 C Abbreviation V Neoprene (CR) -30 C up to +125 C Abbreviation N Bellow - stainless steel EPDM bellow (max C) Metal seal Soft sealing disc Other variations: Stainless steel bellow seal Rubber bellow / metal seal Rubber bellow / Soft sealing disc Without bellow / Soft sealing disc Adjusting bolt Support tongues drilled Lock bush Test gag Lift limitation Proximity switch Heating jacket Rupture disc Removable lifting aid Body- Material N GG-25 GGG N GG N Balanced stainless steel-bellow (Only for closed execution) Support tongues DN1 x DN2 A B S H 50 x x x x x x Lock bush Test gag Proximity switch Heating jacket Rupture disc Removable lifting aid Chemical-execution Technology for the future. GERMAN QUALITY VALVES ARI-Armaturen Albert Richter GmbH & Co. KG, D Schloß Holte-Stukenbrock, Tel / 994-0, Telefax / or 159 Internet: info.vertrieb@ari-armaturen.com 26 Edition 08/00 - Data subject to alteration