1900 Series - Maintenance Manual

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X. Parts Inspection (Contd.)OrificeD-2,E-2, FTable 1a: Nozzle Critical Dimensions (Metal Seated Nozzle)E ± .005"D min.F H N(±0.13 mm)P±0.5°in. mm in. mm in. mm in. mm in. mm.399 10.13 .030 0.76 .954 ± .001 24.23 ± 0.03 .831 ± .001 21.11 ± 0.03 .038 + - .002.003 0.97 + - 0.050.08 30°G .399 10.13 .035 0.89 1.093 ± .001 27.76 ± 0.03 .953 ± .001 24.21 ± 0.03 .037 + - .003.002 0.94 + - 0.080.05 30°H .305 7.75 .035 0.89 1.224 ± .001 31.09 ± 0.03 1.123 ± .001 28.52 ± 0.03 .035 + - .002.003 0.89 + - 0.050.08 45°J .430 12.50 .035 0.89 1.545 ± .001 39.24 ± 0.03 1.435 ± .001 36.45 ± 0.03 .035 ± .005 0.89 ± 0.13 45°K .492 12.50 .063 1.60 1.836 ± .002 46.63 ± 0.05 1.711 ± .002 43.46 ± 0.05 .063 ± .005 1.60 ± 0.13 45°L .492 12.50 .063 1.60 2.257 ± .002 57.33 ± 0.05 2.133 ± .002 54.18 ± 0.05 .063 ± .005 1.60 ± 0.13 45°M .492 12.50 .063 1.60 2.525 ± .002 64.14 ± 0.05 2.4 ± .002 60.96 ± 0.05 .063 ± .005 1.60 ± 0.13 45°N .555 14.10 .063 1.60 2.777 ± .002 70.54 ± 0.05 2.627 ± .002 66.73 ± 0.05 .063 ± .005 1.60 ± 0.13 45°P .680 17.27 .093 2.36 3.332 ± .002 84.63 ± 0.05 3.182 ± .002 80.82 ± 0.05 .093 ± .005 2.36 ± 0.13 45°Q .930 23.62 .093 2.36 4.335 ± .003 110.11 ± 0.08 4.185 ± .003 106.30 ± 0.08 .093 ± .005 2.36 ± 0.13 45°R 1.055 26.80 .093 2.36 5.110 ± .003 129.79 ± 0.08 4.96 ± .003 125.98 ± 0.08 .093 ± .005 2.36 ± 0.13 45°T-4 .805 20.45 .093 2.36 6.510 ± .003 165.35 ± 0.08 6.315 ± .003 160.40 ± 0.08 .093 ± .005 2.36 ± 0.13 45°U .805 20.45 .093 2.36 6.993 ± .003 177.62 ± 0.08 6.798 ± .003 172.67 ± 0.08 .093 ± .005 2.36 ± 0.13 45°V 1.305 33.15 .250 6.35 8.816 ± .005 223.93 ± 0.13 8.336 ± .005 211.73 ± 0.13 .275 ± .005 6.99 ± 0.13 30°W 1.805 45.85 .350 8.89 11.058 ± .005 280.87 ± 0.13 10.458 ± .005 265.63 ± 0.13 .353 ± .005 8.97 ± 0.13 30°OrificeD-2,E-2, FTable 1b: Nozzle Critical Dimensions (O-Ring Seat Nozzle)J ± .005”D min. B (Radius)KL(±0.13 mm)in. mm in. mm in. mm in. mm in. mm.399 10.13 .016 ± .001 0.41 ± 0.03 .079 2.01 .867 ± .001 22.02 ± 0.03 .813 ± .001 20.65 ± 0.03G .399 10.13 .022 ± .001 0.56 ± 0.03 .090 2.29 1.058 + - .002.00126.87 + - 0.050.03H .305 7.75 .022 ± .001 0.56 ± 0.03 .060 1.52 1.214 + - .002.00130.84 + - 0.050.031.165 + - .002.001J .430 12.50 .022 ± .001 0.56 ± 0.03 .074 1.88 1.532 + .002- .00138.91 + 0.05- 0.031.479 + .002- .001K .492 12.50 .022 ± .001 0.56 ± 0.03 .126 3.20 1.836 ± .002 46.63 ± 0.05 1.780 + - .001.002.998 ± .001 25.35 ± 0.0329.59 + - 0.050.0337.57 + 0.05- 0.0345.21 + - 0.030.05L .492 12.50 .017 ± .001 0.43 ± 0.03 .126 3.20 2.206 ± .002 56.03 ± 0.05 2.156 ± .002 54.76 ± 0.05M .492 12.50 .022 ± .001 0.56 ± 0.03 .126 3.20 2.534 ± .002 64.36 ± 0.05 2.478 ± .002 62.94 ± 0.05N .555 14.10 .022 ± .001 0.56 ± 0.03 .101 2.57 2.706 ± .002 68.73 ± 0.05 2.650 ± .002 67.31 ± 0.05P .680 17.27 .022 ± .001 0.56 ± 0.03 .150 3.81 3.332 ± .002 84.63 ± 0.05 3.277 + - .002.00383.24 + - 0.050.08Q .930 23.62 .022 ± .001 0.56 ± 0.03 .188 4.78 4.335 ± .003 110.11 ± 0.08 4.281 ± .003 108.74 ± 0.08R 1.055 26.80 .022 ± .001 0.56 ± 0.03 .215 5.46 5.092 ± .003 129.34 ± 0.08 5.033 ± .003 127.84 ± 0.08T-4 .805 20.45 .022 ± .001 0.56 ± 0.03 .142 3.61 6.510 + - .003.004 165.35 + - 0.080.106.420 + - .004.003 163.07 + - 0.100.08U .805 20.45 .022 ± .001 0.56 ± 0.03 .142 3.61 6.992 ± .003 177.60 ± 0.08 6.902 ± .003 175.31 ± 0.08V 1.305 33.15 .020 ± .001 0.51 ± 0.03 .275 6.99 9.125 ± .005 231.78 ± 0.13 8.336 ± .005 211.73 ± 0.13W 1.805 45.85 .020 ± .005 0.51 ± 0.13 .353 8.97 11.125 ± .005 282.58 ± 0.13 10.458 ± .005 265.63 ± 0.1322 | Dresser Consolidated ®
X. Parts Inspection (Contd.)OrificeTable 1c: Nozzle Critical Dimensions (UM Soft-Seat Nozzle)D min. A B Cin. mm in. mm in. mm in. mmD .313 7.95 .906 23.01 .831 21.11 .026 0.66E .313 7.95 .906 23.01 .831 21.11 .026 0.66F .313 7.95 .906 23.01 .831 21.11 .026 0.66G .313 7.95 1.039 26.39 .953 24.21 .030 0.76H .250 6.35 1.224 31.09 1.123 28.52 .035 0.89J .375 9.53 1.564 39.73 1.435 36.45 .045 1.14K .438 11.13 1.866 47.40 1.712 43.48 .053 1.35L .438 11.13 2.325 59.06 2.133 54.18 .066 1.68M .438 11.13 2.616 66.45 2.400 60.96 .075 1.91N .500 12.70 2.863 72.72 2.627 66.73 .082 2.08P .625 15.88 3.468 88.09 3.182 80.82 .099 2.51Q .875 22.23 4.561 115.85 4.185 106.30 .130 3.30R 1.000 25.40 5.406 137.31 4.960 125.98 .155 3.94T .750 19.05 6.883 174.83 6.315 160.40 .197 5.00U .750 19.05 7.409 188.19 6.798 172.67 .212 5.38V 1.250 31.75 9.086 230.78 8.336 211.73 .260 6.60W 1.750 44.45 11.399 289.53 10.458 265.63 .326 8.28OrificeTable 2: Nozzle Bore DiameterPre-1978Currentmin. max. min. max.Std. UM in. mm in. mm in. mm in. mmD-2 D .650 16.51 .655 16.64 .674 17.12 .679 17.25E-2 E .650 16.51 .655 16.64 .674 17.12 .679 17.25F F .650 16.51 .655 16.64 .674 17.12 .679 17.25G G .835 21.21 .840 21.34 .863 21.92 .868 22.05H H 1.045 26.54 1.050 26.67 1.078 27.38 1.083 27.51J J 1.335 33.91 1.340 34.04 1.380 35.05 1.385 35.18K K 1.595 40.51 1.600 40.64 1.650 41.91 1.655 42.04L L 1.985 50.42 1.990 50.55 2.055 52.20 2.060 52.32M M 2.234 56.74 2.239 56.87 2.309 58.65 2.314 58.78N N 2.445 62.10 2.450 62.23 2.535 64.39 2.540 64.52P P 2.965 75.31 2.970 75.44 3.073 78.05 3.078 78.18Q Q 3.900 99.06 3.905 99.19 4.045 102.74 4.050 102.87R R 4.623 117.42 4.628 117.55 4.867 123.62 4.872 123.75T-4 T - - - - 6.202 157.53 6.208 157.68U U - - - - 6.685 169.80 6.691 169.95V V - - - - 8.000 203.20 8.005 203.33W W - - - - 10.029 254.74 10.034 254.86Note: If an old style nozzle is machined to the new configuration, it should be done to a 63 micro inchfinish and shall be concentric and parallel to the original centerline within .004” (0.10 mm)T.I.R.<strong>1900</strong> <strong>Series</strong> Safety Valve (July/2010) | 23
Page 4 and 5: Table of ContentsSection Subject Pa
Page 6 and 7: I. Product Safety Sign and Label Sy
Page 8 and 9: III. IntroductionThe safety relief
Page 10 and 11: V. (Contd.)V.1.1 Standard Cap Types
Page 12 and 13: V. (Contd.)V.3 V-W Bellows Metal Se
Page 14 and 15: VI. Handling, Storage, and Pre-Inst
Page 16 and 17: VII. Recommended Installation Pract
Page 18: VIII. Disassembly Instructions (Con
Page 21: X. Parts InspectionNozzle Inspectio
Page 25 and 26: X. Parts Inspection (Contd.)AFigure
Page 27 and 28: X. Parts Inspection (Contd.)Orifice
Page 29 and 30: X. Parts Inspection (Contd.)Guide I
Page 31 and 32: XI. MaintenanceGeneral InformationA
Page 33 and 34: XI. Maintenance (Contd.)Table 7d: N
Page 35 and 36: XI. Maintenance (Contd.)Re-Machinin
Page 37 and 38: XI. Maintenance (Contd.)OrificeSize
Page 39 and 40: XII. ReassemblyGeneral InformationT
Page 41 and 42: XII. Reassembly (Contd.) Use a scre
Page 43 and 44: XII. Reassembly (Contd.)OrificeTabl
Page 45 and 46: XIII. Setting and TestingGeneral In
Page 47 and 48: XIII. Setting and Testing (Contd.)S
Page 49 and 50: XIII. Setting and Testing (Contd.)I
Page 51 and 52: XVI. Conversion of 1900 Series Flan
Page 53 and 54: XVII. Troubleshooting 1900 Series S
Page 55 and 56: XIX. Replacement Parts PlanningBasi
Page 57 and 58: XXI. Recommended Spare Parts for 19
Page 59 and 60: XXI. Manufacturer’s Warranty, Fie
Page 61 and 62: XXV. Optional Glide-Aloy PartsOptio
Page 63 and 64: XXVI. Sales Office LocationsMALAYSI

1900 Series - Maintenance Manual

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