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Pressure / Temperature (Contd.)Pressure Temperature Ratings for T Orifice 1API Ratings (T Orifice - 26.000 in 2 (167.742 cm 2 ))Backpressure Ratings @ 100ºF (37.8ºC)Connection<strong>Standard</strong> Material of ConstructionBellows<strong>Valve</strong>TypeInletOutlet-20 to 100ºF(-28.9 to 37.8ºC)450ºF(232.2ºC)800ºF(426.7ºC)1000ºF(537.8ºC)ConventionalLPHPin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig barg1905T 8.00 203.2 10.00 254 65 4.48 65 4.48 65 4.48 - - 60 4.13 52 3.58 60 4.131906T 8.00 203.2 10.00 254 65 4.48 65 4.48 65 4.48 - - 60 4.13 52 3.58 60 4.131910T 8.00 203.2 10.00 254 120 8.27 120 8.27 120 8.27 - - 100 6.89 52 3.58 100 6.891912T 8.00 203.2 10.00 254 300 20.68 300 20.68 300 20.68 - - 100 6.89 52 3.58 100 6.891920T 8.00 203.2 10.00 254 - - - - 120 8.27 100 6.89 100 6.89 52 3.58 100 6.891922T 8.00 203.2 10.00 254 - - - - 300 20.68 300 20.68 100 6.89 52 3.58 100 6.89Pressure Temperature Ratings for T Orifice 1ASME Ratings (T Orifice - 30.210 in 2 (194.903 cm 2 ) Actual)Backpressure Ratings @ 100ºF (37.8ºC)Connection<strong>Standard</strong> Material of ConstructionBellows<strong>Valve</strong>TypeInletOutlet-20 to 100ºF(-28.9 to 37.8ºC)450ºF(232.2ºC)800ºF(426.7ºC)1000ºF(537.8ºC)ConventionalLPHPin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig barg1905T 8.00 203.2 10.00 254 125 8.61 125 8.61 80 5.51 - - 125 8.61 41 2.82 125 8.611906T 8.00 203.2 10.00 254 125 8.61 125 8.61 125 8.61 - - 125 8.61 41 2.82 125 8.611910T 8.00 203.2 10.00 254 360 24.82 360 24.82 360 24.82 - - 290 19.99 41 2.82 145 9.991912T 8.00 203.2 10.00 254 360 24.82 360 24.82 360 24.82 - - 290 19.99 41 2.82 145 9.991920T 8.00 203.2 10.00 254 - - - - 360 24.82 215 14.82 290 19.99 41 2.82 145 9.991922T 8.00 203.2 10.00 254 - - - - 360 24.82 430 29.64 290 19.99 41 2.82 145 9.99Notes:1. This valve is not listed in API 526 standard.<strong>1900</strong>.88 | Dresser Consolidated ®
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