1900 Standard Series - Allied Valve Inc

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Pressure / Temperature (Contd.)ValveTypeInletConnectionPressure Temperature Ratings for G Orifice 1API Ratings (G Orifice - 0.503 in 2 (3.245 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)ConventionalLPBellowsin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig barg1905G 1.50 38.1 3.00 76.2 285 19.65 185 12.75 80 5.51 - - 285 19.65 140 9.65 230 15.851906G 1.50 38.1 3.00 76.2 285 19.65 285 19.65 285 19.65 - - 285 19.65 140 9.65 230 15.851910G 1.50 38.1 3.00 76.2 740 51.02 615 42.40 410 28.26 - - 285 19.65 140 9.65 230 15.851912G 1.50 38.1 3.00 76.2 1480 102.04 1235 85.15 825 56.88 - - 285 19.65 140 9.65 230 15.851914G 1.50 38.1 3.00 76.2 2220 153.06 1845 127.20 1235 85.15 - - 740 51.02 140 9.65 470 32.401916G 2.00 50.8 3.00 76.2 3705 255.45 3080 212.35 2060 142.03 - - 740 51.02 140 9.65 470 32.401918G 2.00 50.8 3.00 76.2 6000 413.68 3705 255.45 3430 236.49 - - 740 51.02 140 9.65 470 32.401920G 1.50 38.1 3.00 76.2 - - - - 510 35.16 215 14.82 285 19.65 140 9.65 230 15.851922G 1.50 38.1 3.00 76.2 - - - - 1015 69.98 430 29.64 285 19.65 140 9.65 230 15.851924G 1.50 38.1 3.00 76.2 - - - - 1525 105.14 650 44.81 740 51.02 140 9.65 500 34.471926G 2.00 50.8 3.00 76.2 - - - - 2540 175.12 1080 74.46 740 51.02 140 9.65 500 34.471928G 2.00 50.8 3.00 76.2 - - - - 3705 255.45 1800 124.10 740 51.02 140 9.65 500 34.47HPValveTypeInletPressure Temperature Ratings for G Orifice 1ASME Ratings (G Orifice - 0.585 in 2 (3.774 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)ConventionalLPBellowsin. mm in. mm psig barg psig barg psig barg psig barg psig barg psig barg psig barg1905G 1.50 38.1 3.00 76.2 290 19.99 185 12.75 80 5.51 - - 290 19.99 140 9.65 290 19.991906G 1.50 38.1 3.00 76.2 290 19.99 290 19.99 290 19.99 - - 290 19.99 140 9.65 290 19.991910G 1.50 38.1 3.00 76.2 750 51.71 685 47.22 410 28.26 - - 290 19.99 140 9.65 290 19.991912G 1.50 38.1 3.00 76.2 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 140 9.65 290 19.991914G 1.50 38.1 3.00 76.2 2250 155.13 2053 141.54 1235 85.15 - - 750 51.71 140 9.65 750 51.711916G 2.00 50.8 3.00 76.2 3750 258.55 3423 236.00 2055 141.68 - - 750 51.71 140 9.65 750 51.711918G 2.00 50.8 3.00 76.2 5000 344.73 5000 344.73 3430 236.49 - - 750 51.71 140 9.65 750 51.711920G 1.50 38.1 3.00 76.2 - - - - 510 35.16 215 14.82 290 19.99 140 9.65 290 19.991922G 1.50 38.1 3.00 76.2 - - - - 1015 69.98 430 29.64 290 19.99 140 9.65 290 19.991924G 1.50 38.1 3.00 76.2 - - - - 1525 105.14 650 44.81 750 51.71 140 9.65 750 51.711926G 2.00 50.8 3.00 76.2 - - - - 2540 175.12 1080 74.46 750 51.71 140 9.65 750 51.711928G 2.00 50.8 3.00 76.2 - - - - 4230 291.64 1800 124.10 750 51.71 140 9.65 750 51.71HPNotes:1. In 1995 API Changed connections from 2.5 - 3 in.(63.50 -76.20 mm)For replacementapplications, valves with 2.5 in.(63.50mm) connections are still available.1900.68 | Dresser Consolidated ®
Pressure / Temperature (Contd.)Selection Chart for Vapors, Gases and Liquids1900 and 1900-30 Series, G Orifice - API Area: 0.503 in 2 . (3.245 cm 2 )Tungstenor InconelSteel SpringsAlloySteelSpringsStainlessSpring1,0009008007006005004003002001000-100-200-300-400-4501920Gt 1922Gt 1924Gt 1926Gt 1928Gt1906Gt1910Gt 1912Gt 1914Gt 1916Gt 1918Gt1905Gt1906Gc1918Gc1905Gc1910Gc 1912Gc 1914Gc 1916Gc1905G/L11906G/L11905G/L21906G/L21910G/L11910G/L21912G/L1 1914G/L11912G/L21916G/L21914G/L21916G/L11918G/L11918G/L21905G/L31906G/L31910G/L3 1912G/L3 1916G/L3 1918G/L31914G/L30 200 400 600 800 1000 1200 1400 1600 1800 2000 3000 4000 5000 6000SET PRESSURE - lbs./Sq. in.INLET TEMPERATURE °F1900 Series Safety Relief Valve | 1900.69
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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
Page 20 and 21: Scope of Design (Contd.)1900 Soft S
Page 22 and 23: MaterialsConventional SRV 1900 Seri
Page 24 and 25: Materials (Contd.)Conventional SRV
Page 26 and 27: Materials (Contd.)Conventional SRV
Page 28 and 29: Materials (Contd.)1900 Soft Seat (D
Page 30 and 31: Materials (Contd.)1900 Liquid Trim
Page 32 and 33: 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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