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Pressure / Temperature (Contd.)Pressure Temperature Ratings for P Orifice 1<strong>Valve</strong>TypeInletConnectionAPI Ratings (P Orifice - 6.380 in 2 (41.161 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 bargLPHP1905P 4.00 101.6 6.00 152.4 285 19.65 185 12.75 80 5.51 - - 285 19.65 56 3.86 80 5.511906P 4.00 101.6 6.00 152.4 285 19.65 285 19.65 285 19.65 - - 285 19.65 56 3.86 80 5.511910P 4.00 101.6 6.00 152.4 525 36.19 525 36.19 410 28.26 - - 285 19.65 56 3.86 150 10.341912P 4.00 101.6 6.00 152.4 1000 68.94 1000 68.94 825 56.88 - - 285 19.65 56 3.86 150 10.341914P 4.00 101.6 6.00 152.4 1000 68.94 1000 68.94 1000 68.94 - - 285 19.65 56 3.86 150 10.341920P 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 285 19.65 56 3.86 160 11.031923P 4.00 101.6 6.00 152.4 - - - - 1000 68.94 430 29.64 285 19.65 56 3.86 160 11.031924P 4.00 101.6 6.00 152.4 - - - - 1000 68.94 650 44.81 285 19.65 56 3.86 160 11.03Pressure Temperature Ratings for P Orifice 1<strong>Valve</strong>TypeInletASME Ratings (P Orifice - 7.417 in 2 (47.852 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 bargLPHP1905P 4.00 101.6 6.00 152.4 290 19.99 185 12.75 80 5.51 - - 290 19.99 56 3.86 290 19.991906P 4.00 101.6 6.00 152.4 290 19.99 290 19.99 290 19.99 - - 290 19.99 56 3.86 290 19.991910P 4.00 101.6 6.00 152.4 750 51.71 685 47.22 410 28.26 - - 290 19.99 56 3.86 290 19.991912P 4.00 101.6 6.00 152.4 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 56 3.86 290 19.991914P 4.00 101.6 6.00 152.4 1700 117.21 1700 117.21 1235 85.15 - - 290 19.99 56 3.86 290 19.991920P 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 290 19.99 56 3.86 290 19.991923P 4.00 101.6 6.00 152.4 - - - - 1015 69.98 430 29.64 290 19.99 56 3.86 290 19.991924P 4.00 101.6 6.00 152.4 - - - - 1525 105.14 650 44.81 290 19.99 56 3.86 290 19.99Notes:1. This valve is not listed in API 526 standard.<strong>1900</strong>.82 | Dresser Consolidated ®
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