1900 Standard Series - Allied Valve Inc

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Pressure / Temperature (Contd.)Pressure Temperature Ratings for P Orifice 1ValveTypeInletConnectionAPI Ratings (P Orifice - 6.380 in 2 (41.161 cm 2 ))Outlet-20 to 100ºF(-28.9 to 37.8ºC)Standard 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 1ValveTypeInletASME Ratings (P Orifice - 7.417 in 2 (47.852 cm 2 ) Actual)ConnectionOutlet-20 to 100ºF(-28.9 to 37.8ºC)Standard 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.1900.82 | Dresser Consolidated ®
Pressure / Temperature (Contd.)Selection Chart for Vapors, Gases and Liquids1900 and 1900-30 Series, P Orifice - API Area: 6.380 in 2 . (41.161 cm 2 )Tungstenor InconelSteel SpringsAlloySteelSpringsStainlessSpring1,0009008007006005004003002001000-100-200-300-400-4501920Pt 1923Pt 1924Pt1906Pt1914Pt1910Pt 1912Pt1905Pt1906Pc1905Pc 1910Pc 1912Pc1905P/L11906P/L11910P/L1 1912P/L11912P/L21905P/L21906P/L21910P/L21905P/L31906P/L31912P/L31910P/L30 200 400 600 800 1000SET PRESSURE - lbs./Sq. in.INLET TEMPERATURE °F1900 Series Safety Relief Valve | 1900.83
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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
Page 34 and 35: 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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