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Pressure / Temperature (Contd.)<strong>Valve</strong>TypeInletConnectionPressure Temperature Ratings for D Orifice 1API Ratings (D Orifice - 0.110 in 2 (0.710 cm 2 ))Outlet-20 to 100ºF(-28.9 to 37.8ºC)<strong>Standard</strong> Material of Construction450ºF(232.2ºC)800ºF(426.7ºC)1000ºF(537.8ºC)Backpressure Ratings @ 100ºF (37.8ºC)ConventionalLPBellowsin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig barg1905D 1.00 25.4 2.00 50.8 285 19.65 185 12.75 80 5.51 - - 285 19.65 128 8.82 230 15.851906D 1.00 25.4 2.00 50.8 285 19.65 285 19.65 285 19.65 - - 285 19.65 128 8.82 230 15.851910D 1.00 25.4 2.00 50.8 740 51.02 615 42.40 410 28.26 - - 285 19.65 128 8.82 230 15.851912D 1.00 25.4 2.00 50.8 1480 102.04 1235 85.15 825 56.88 - - 285 19.65 128 8.82 230 15.851914D 1.50 38.1 2.00 50.8 2220 153.06 1845 127.20 1235 85.15 - - 600 41.36 128 8.82 500 34.471916D 1.50 38.1 2.00 50.8 3705 255.45 3080 212.35 2060 142.03 - - 600 41.36 128 8.82 500 34.471918D 1.50 38.1 3.00 76.2 6000 413.68 6000 413.68 3430 236.49 - - 740 51.02 128 8.82 500 34.471920D 1.00 25.4 2.00 50.8 - - - - 510 35.16 215 14.82 285 19.65 128 8.82 230 15.851922D 1.00 25.4 2.00 50.8 - - - - 1015 69.98 430 29.64 285 19.65 128 8.82 230 15.851924D 1.50 38.1 2.00 50.8 - - - - 1525 105.14 650 44.81 600 41.36 128 8.82 500 34.471926D 1.50 38.1 2.00 50.8 - - - - 2540 175.12 1080 74.46 600 41.36 128 8.82 500 34.471928D 1.50 38.1 3.00 76.2 - - - - 4230 291.64 1800 124.10 740 51.02 128 8.82 500 34.47HP<strong>Valve</strong>TypeInletPressure Temperature Ratings for D Orifice 1ASME Ratings (D Orifice - 0.128 in 2 (0.825 cm 2 ) Actual)ConnectionOutlet-20 to 100ºF(-28.9 to 37.8ºC)<strong>Standard</strong> Material of Construction450ºF(232.2ºC)800ºF(426.7ºC)1000ºF(537.8ºC)Backpressure Ratings @ 100ºF (37.8ºC)ConventionalLPBellowsin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig barg1905D 1.00 25.4 2.00 50.8 290 19.99 185 12.75 80 5.51 - - 290 19.99 128 8.82 290 19.991906D 1.00 25.4 2.00 50.8 290 19.99 290 19.99 290 19.99 - - 290 19.99 128 8.82 290 19.991910D 1.00 25.4 2.00 50.8 750 51.71 685 47.22 410 28.26 - - 290 19.99 128 8.82 290 19.991912D 1.00 25.4 2.00 50.8 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 128 8.82 290 19.991914D 1.50 38.1 2.00 50.8 2250 155.13 2053 141.54 1235 85.15 - - 750 51.71 128 8.82 750 51.711916D 1.50 38.1 2.00 50.8 3750 258.55 3423 236.00 2055 141.68 - - 750 51.71 128 8.82 750 51.711918D 1.50 38.1 3.00 76.2 6250 430.92 5703 393.20 3430 236.49 - - 750 51.71 128 8.82 750 51.711920D 1.00 25.4 2.00 50.8 - - - - 510 35.16 215 14.82 290 19.99 128 8.82 290 19.991922D 1.00 25.4 2.00 50.8 - - - - 1015 69.98 430 29.64 290 19.99 128 8.82 290 19.991924D 1.50 38.1 2.00 50.8 - - - - 1525 105.14 650 44.81 750 51.71 128 8.82 750 51.711926D 1.50 38.1 2.00 50.8 - - - - 2540 175.12 1080 74.46 750 51.71 128 8.82 750 51.711928D 1.50 38.1 3.00 76.2 - - - - 4230 291.64 1800 124.10 750 51.71 128 8.82 750 51.71HPNotes:1. In 1995 API Changed connections from 2.5 - 3 in.(63.50 -76.20 mm)For replacementapplications, valves with 2.5 in.(63.50mm) connections are still available.<strong>1900</strong>.62 | Dresser Consolidated ®
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