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Pressure / Temperature (Contd.)Pressure Temperature Ratings for N Orifice 1<strong>Valve</strong>TypeInletConnectionAPI Ratings (N Orifice - 4.340 in 2 (28.000 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)ConventionalBellowsin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig bargLPHPin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig barg 5.524.00 101.6 6.00 152.4 285 19.65 185 12.75 80 5.51 - - 285 19.65 73 5.03 80 5.51 5.524.00 101.6 6.00 152.4 285 19.65 285 19.65 285 19.65 - - 285 19.65 73 5.03 80 5.51 11.034.00 101.6 6.00 152.4 740 51.02 615 42.40 410 28.26 - - 285 19.65 73 5.03 160 11.03 11.034.00 101.6 6.00 152.4 1000 68.94 1000 68.94 825 56.88 - - 285 19.65 73 5.03 160 11.03 11.034.00 101.6 6.00 152.4 1000 68.94 1000 68.94 1000 68.94 - - 285 19.65 73 5.03 160 11.03 11.034.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 285 19.65 73 5.03 160 11.03 11.034.00 101.6 6.00 152.4 - - - - 1000 68.94 430 29.64 285 19.65 73 5.03 160 11.03 11.03Pressure Temperature Ratings for N Orifice 1<strong>Valve</strong>TypeInletASME Ratings (N Orifice - 5.047 in 2 (32.561 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)ConventionalBellowsin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig bargLPHP4.00 101.6 6.00 152.4 290 19.99 185 12.75 80 5.51 - - 290 19.99 73 5.03 290 19.99 19.994.00 101.6 6.00 152.4 290 19.99 290 19.99 290 19.99 - - 290 19.99 73 5.03 290 19.99 19.994.00 101.6 6.00 152.4 750 51.71 685 47.22 410 28.26 - - 290 19.99 73 5.03 290 19.99 19.994.00 101.6 6.00 152.4 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 73 5.03 290 19.99 19.994.00 101.6 6.00 152.4 1600 110.31 1600 110.31 1235 85.15 - - 290 19.99 73 5.03 290 19.99 19.994.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 290 19.99 73 5.03 290 19.99 19.994.00 101.6 6.00 152.4 - - - - 1015 69.98 430 29.64 290 19.99 73 5.03 290 19.99 19.994.00 101.6 6.00 152.4 - - - - 1525 105.14 650 44.81 290 19.99 73 5.03 290 19.99 19.99Notes:1. This valve is not listed in API 526 standard.<strong>1900</strong>.80 | Dresser Consolidated ®
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