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Pressure / Temperature (Contd.)Pressure Temperature Ratings for M Orifice 1<strong>Valve</strong>TypeInletConnectionAPI Ratings (M Orifice - 3.600 in 2 (23.226 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 bargLPHP1905M 4.00 101.6 6.00 152.4 285 19.65 185 12.75 80 5.51 - - 285 19.65 66 4.55 80 5.511906M 4.00 101.6 6.00 152.4 285 19.65 285 19.65 285 19.65 - - 285 19.65 66 4.55 80 5.511910M 4.00 101.6 6.00 152.4 740 51.02 615 42.40 410 28.26 - - 285 19.65 66 4.55 160 11.031912M 4.00 101.6 6.00 152.4 1100 75.84 1100 75.84 825 56.88 - - 285 19.65 66 4.55 160 11.031914M 4.00 101.6 6.00 152.4 1100 75.84 1100 75.84 1100 75.84 - - 285 19.65 66 4.55 160 11.031920M 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 285 19.65 66 4.55 160 11.031922M 4.00 101.6 6.00 152.4 - - - - 1000 68.94 430 29.64 285 19.65 66 4.55 160 11.031924M 4.00 101.6 6.00 152.4 - - - - 1100 75.84 650 44.81 285 19.65 66 4.55 160 11.03Pressure Temperature Ratings for M Orifice 1<strong>Valve</strong>TypeInletASME Ratings (M Orifice - 4.186 in 2 (27.006 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 bargLPHP1905M 4.00 101.6 6.00 152.4 290 19.99 185 12.75 80 5.51 - - 290 19.99 66 4.55 290 19.991906M 4.00 101.6 6.00 152.4 290 19.99 290 19.99 290 19.99 - - 290 19.99 66 4.55 290 19.991910M 4.00 101.6 6.00 152.4 750 51.71 685 47.22 410 28.26 - - 290 19.99 66 4.55 290 19.991912M 4.00 101.6 6.00 152.4 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 66 4.55 290 19.991914M 4.00 101.6 6.00 152.4 1600 110.31 1600 110.31 1235 85.15 - - 290 19.99 66 4.55 290 19.991920M 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 290 19.99 66 4.55 290 19.991922M 4.00 101.6 6.00 152.4 - - - - 1015 69.98 430 29.64 290 19.99 66 4.55 290 19.991924M 4.00 101.6 6.00 152.4 - - - - 1525 105.14 650 44.81 290 19.99 66 4.55 290 19.99Notes:1. This valve is not listed in API 526 standard.<strong>1900</strong>.78 | Dresser Consolidated ®
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