1900 Standard Series - Allied Valve Inc

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Pressure / Temperature (Contd.)Pressure Temperature Ratings for L OrificeValveTypeInletConnectionAPI Ratings (L Orifice - 2.853 in 2 (18.406 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 bargHP1905L 3.00 76.2 4.00 101.6 285 19.65 185 12.75 80 5.51 - - 285 19.65 53 3.65 100 6.891906L 3.00 76.2 4.00 101.6 285 19.65 285 19.65 285 19.65 - - 285 19.65 53 3.65 100 6.891910L 4.00 101.6 6.00 152.4 740 51.02 615 42.40 410 28.26 - - 285 19.65 53 3.65 170 11.721912L 4.00 101.6 6.00 152.4 1000 68.94 1000 68.94 825 56.88 - - 285 19.65 53 3.65 170 11.721914L 4.00 101.6 6.00 152.4 1500 103.42 1500 103.42 1235 85.15 - - 285 19.65 53 3.65 170 11.721916L 4.00 101.6 6.00 152.4 1500 103.42 1500 103.42 1500 103.42 - - 285 19.65 53 3.65 170 11.721920L 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 285 19.65 53 3.65 170 11.721922L 4.00 101.6 6.00 152.4 - - - - 1000 68.94 430 29.64 285 19.65 53 3.65 170 11.721924L 4.00 101.6 6.00 152.4 - - - - 1500 103.42 650 44.81 285 19.65 53 3.65 170 11.721926L 4.00 101.6 6.00 152.4 - - - - 1500 103.42 1080 74.46 600 41.36 53 3.65 170 11.72Pressure Temperature Ratings for L OrificeValveTypeInletASME Ratings (L Orifice - 3.317 in 2 (21.400 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 bargHP1905L 3.00 76.2 4.00 101.6 290 19.99 185 12.75 80 5.51 - - 290 19.99 53 3.65 290 19.991906L 3.00 76.2 4.00 101.6 290 19.99 290 19.99 290 19.99 - - 290 19.99 53 3.65 290 19.991910L 4.00 101.6 6.00 152.4 750 51.71 685 47.22 410 28.26 - - 290 19.99 53 3.65 290 19.991912L 4.00 101.6 6.00 152.4 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 53 3.65 290 19.991914L 4.00 101.6 6.00 152.4 2250 155.13 2053 141.54 1235 85.15 - - 290 19.99 53 3.65 290 19.991916L 4.00 101.6 6.00 152.4 3000 206.84 3000 206.84 2055 141.68 - - 290 19.99 53 3.65 535 36.881920L 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 290 19.99 53 3.65 290 19.991922L 4.00 101.6 6.00 152.4 - - - - 1015 69.98 430 29.64 290 19.99 53 3.65 290 19.991924L 4.00 101.6 6.00 152.4 - - - - 1525 105.14 650 44.81 290 19.99 53 3.65 290 19.991926L 4.00 101.6 6.00 152.4 - - - - 2540 175.12 1080 74.46 290 19.99 53 3.65 535 36.881900.76 | Dresser Consolidated ®
Pressure / Temperature (Contd.)Selection Chart for Vapors, Gases and Liquids1900 and 1900-30 Series, L Orifice - API Area: 2.853 in 2 . (18.406 cm 2 )Tungstenor InconelSteel SpringsAlloySteelSpringsStainlessSpring1,0009008007006005004003002001000-100-200-300-400-4501920Lt 1922Lt 1924Lt1926Lt1906Lt1916Lt1910Lt 1912Lt 1914Lt1905Lt1906Lc1905Lc 1910Lc 1912Lc 1914Lc1905L/L11906L/L11910L/L1 1912L/L11914L/L11914L/L21905L/L21906L/L21910L/L21912L/L21905L/L31906L/L31910L/L31912L/L31914L/L30 200 400 600 800 1000 1200 1400 1600SET PRESSURE - lbs./Sq. in.INLET TEMPERATURE °F1900 Series Safety Relief Valve | 1900.77
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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
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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