1900 Standard Series - Allied Valve Inc

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Pressure / Temperature (Contd.)Pressure Temperature Ratings for J Orifice 1ValveTypeInletConnectionAPI Ratings (J Orifice - 1.287 in 2 (8.303 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 bargHP1905J 2.00 50.8 3.00 76.2 285 19.65 185 12.75 80 5.51 - - 285 19.65 89 6.13 230 15.851906J 2.00 50.8 3.00 76.2 285 19.65 285 19.65 285 19.65 - - 285 19.65 89 6.13 230 15.851910J 3.00 76.2 4.00 101.6 740 51.02 615 42.40 410 28.26 - - 285 19.65 89 6.13 230 15.851912J 3.00 76.2 4.00 101.6 1480 102.04 1235 85.15 825 56.88 - - 285 19.65 89 6.13 230 15.851914J 3.00 76.2 4.00 101.6 2220 153.06 1845 127.20 1235 85.15 - - 285 19.65 89 6.13 230 15.851916J 3.00 76.2 4.00 101.6 2700 186.15 2700 186.15 2060 142.03 - - 600 41.36 89 6.13 230 15.851920J 3.00 76.2 4.00 101.6 - - - - 510 35.16 215 14.82 285 19.65 89 6.13 230 15.851922J 3.00 76.2 4.00 101.6 - - - - 1015 69.98 430 29.64 285 19.65 89 6.13 230 15.851924J 3.00 76.2 4.00 101.6 - - - - 1525 105.14 650 44.81 285 19.65 89 6.13 230 15.851926J 3.00 76.2 4.00 101.6 - - - - 2540 175.12 1080 74.46 600 41.36 89 6.13 230 15.85Pressure Temperature Ratings for J Orifice 1ValveTypeInletASME Ratings (J Orifice - 1.496 in 2 (9.652 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 bargHP1905J 2.00 50.8 3.00 76.2 290 19.99 185 12.75 80 5.51 - - 290 19.99 89 6.13 290 19.991906J 2.00 50.8 3.00 76.2 290 19.99 290 19.99 290 19.99 - - 290 19.99 89 6.13 290 19.991910J 3.00 76.2 4.00 101.6 750 51.71 685 47.22 410 28.26 - - 290 19.99 89 6.13 290 19.991912J 3.00 76.2 4.00 101.6 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 89 6.13 290 19.991914J 3.00 76.2 4.00 101.6 2250 155.13 2053 141.54 1235 85.15 - - 290 19.99 89 6.13 290 19.991916J 3.00 76.2 4.00 101.6 3100 213.73 3100 213.73 2055 141.68 - - 750 51.71 89 6.13 635 43.781920J 3.00 76.2 4.00 101.6 - - - - 510 35.16 215 14.82 290 19.99 89 6.13 290 19.991922J 3.00 76.2 4.00 101.6 - - - - 1015 69.98 430 29.64 290 19.99 89 6.13 290 19.991924J 3.00 76.2 4.00 101.6 - - - - 1525 105.14 650 44.81 290 19.99 89 6.13 290 19.991926J 3.00 76.2 4.00 101.6 - - - - 2540 175.12 1080 74.46 750 51.71 89 6.13 635 43.78Notes: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.1900.72 | Dresser Consolidated ®
Pressure / Temperature (Contd.)Selection Chart for Vapors, Gases and Liquids1900 and 1900-30 Series, J Orifice - API Area: 1.287 in 2 . (8.303 cm 2 )Tungstenor InconelSteel SpringsAlloySteelSpringsStainlessSpring1,0009008007006005004003002001000-100-200-300-400-4501920Jt1922Jt 1924Jt 1926Jt1906Jt1910Jt 1912Jt 1914Jt 1916Jt1905Jt1906Jc1905Jc 1910Jc 1912Jc 1914Jc 1916Jc1905J/L11906J/L11910J/L11912J/L1 1914J/L11916J/L11905J/L21906J/L21910J/L21914J/L21916J/L21912J/L21905J/L31906J/L31910J/L3 1914J/L31916J/L31912J/L30 200 400 600 800 1000 1200 1400 1600 1800 2000 2400 2800SET PRESSURE - lbs./Sq. in.INLET TEMPERATURE °F1900 Series Safety Relief Valve | 1900.73
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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
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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