1900 Standard Series - Allied Valve Inc

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Pressure / Temperature (Contd.)Pressure Temperature Ratings for R Orifice 1API Ratings (R Orifice - 16.000 in 2 (103.226 cm 2 ))Backpressure Ratings @ 100ºF (37.8ºC)ConnectionStandard Material of ConstructionBellowsValveTypeInletOutlet-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 barg1905R 6.00 152.4 8.00 203.2 100 6.89 100 6.89 80 5.51 - - 60 4.13 52 3.58 60 4.131906R 6.00 152.4 8.00 203.2 100 6.89 100 6.89 100 6.89 - - 60 4.13 52 3.58 60 4.131910R 6.00 152.4 10.00 254 230 15.85 230 15.85 230 15.85 - - 100 6.89 52 3.58 100 6.891912R 6.00 152.4 10.00 254 300 20.68 300 20.68 300 20.68 - - 100 6.89 52 3.58 100 6.891920R 6.00 152.4 8.00 203.2 - - - - 100 6.89 100 6.89 100 6.89 52 3.58 100 6.891922R 6.00 152.4 10.00 254 - - - - 300 20.68 300 20.68 100 6.89 52 3.58 100 6.89Pressure Temperature Ratings for R Orifice 1ASME Ratings (R Orifice - 18.600 in 2 (120.000 cm 2 ) Actual)Backpressure Ratings @ 100ºF (37.8ºC)ConnectionStandard Material of ConstructionBellowsValveTypeInletOutlet-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 barg1905R 6.00 152.4 8.00 203.2 150 10.34 150 10.34 80 5.51 - - 150 10.34 52 3.58 145 9.991906R 6.00 152.4 8.00 203.2 150 10.34 150 10.34 150 10.34 - - 150 10.34 52 3.58 145 9.991910R 6.00 152.4 10.00 254 450 31.02 450 31.02 410 28.26 - - 290 19.99 52 3.58 145 9.991912R 6.00 152.4 10.00 254 650 44.81 650 44.81 650 44.81 - - 290 19.99 52 3.58 145 9.991920R 6.00 152.4 8.00 203.2 - - - - 450 31.02 215 14.82 290 19.99 52 3.58 145 9.991922R 6.00 152.4 10.00 254 - - - - 650 44.81 430 29.64 290 19.99 52 3.58 145 9.99Notes:1. This valve is not listed in API 526 standard.1900.86 | Dresser Consolidated ®
Pressure / Temperature (Contd.)Selection Chart for Vapors, Gases and Liquids1900 and 1900-30 Series, R Orifice - API Area: 16.000 in 2 . (103.226 cm 2 )Tungstenor InconelSteel SpringsAlloySteelSpringsStainlessSpring1,0009008007006005004003002001000-100-200-300-400-4501920Rt1922Rt1906Rt1905Rt1906Rt1910Rt1912Rt1905Rc1906Rc1910Rc1912Rc1905R/L11906R/L11910R/L1 1912R/L11910R/L21912R/L21905R/L21906R/L21905R/L31906R/L31910R/L31912R/L30 50 100 150 200 250 300SET PRESSURE - lbs./Sq. in.INLET TEMPERATURE °F1900 Series Safety Relief Valve | 1900.87
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Pressure Relief Valves1900 Standard
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Conversion TableAll the USCS values
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Scope of Design1900 Series Overview
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Scope of Design (Contd.)1900 Series
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Scope of Design (Contd.)1900 Series
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Scope of Design (Contd.)How Pressur
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Scope of Design (Contd.)Product Fea
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Scope of Design (Contd.)1900 Steam
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Scope of Design (Contd.)1900 Restri
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Scope of Design (Contd.)1900 Soft S
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MaterialsConventional SRV 1900 Seri
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Materials (Contd.)Conventional SRV
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Materials (Contd.)Conventional SRV
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Materials (Contd.)1900 Soft Seat (D
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Materials (Contd.)1900 Liquid Trim
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Materials (Contd.)1900 Sour Gas (SG
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Materials (Contd.)Corrosive Service
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Materials (Contd.)Corrosive Service
Page 38 and 39: Materials (Contd.)Corrosive Service
Page 40 and 41: Materials (Contd.)Corrosive Service
Page 42 and 43: Materials (Contd.)Low Temperature (
Page 44 and 45: Materials (Contd.)1900 Valves for L
Page 46 and 47: Materials (Contd.)O-Ring Selection
Page 48 and 49: Accessories (Contd.)1900 Caps, Leve
Page 50 and 51: Accessories (Contd.)Bolted CapConso
Page 52 and 53: Accessories (Contd.)Cap and Lever C
Page 54 and 55: Dimensions & Weights1900 Flanged Se
Page 56 and 57: Dimensions & Weights (Contd.)ValveT
Page 64 and 65: Pressure / Temperature (Contd.)Valv
Page 72 and 73: Pressure / Temperature (Contd.)Pres
Page 94 and 95: Capacities (Contd.)Valve Capacity f
Page 96 and 97: Capacities (Contd.)OrificeDesignati
Page 98 and 99: Capacities (Contd.)OrificeDesignati
Page 100 and 101: Valve Configuration CodeMATERIAL CL
Page 102 and 103: Valve Configuration Code (Contd.)Le
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1900 Standard Series - Allied Valve Inc

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