1900 Standard Series - Allied Valve Inc

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Pressure / Temperature (Contd.)Pressure Temperature Ratings for M Orifice 1ValveTypeInletConnectionAPI Ratings (M Orifice - 3.600 in 2 (23.226 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 bargLPHP1905M 4.00 101.6 6.00 152.4 285 19.65 185 12.75 80 5.51 - - 285 19.65 66 4.55 80 5.511906M 4.00 101.6 6.00 152.4 285 19.65 285 19.65 285 19.65 - - 285 19.65 66 4.55 80 5.511910M 4.00 101.6 6.00 152.4 740 51.02 615 42.40 410 28.26 - - 285 19.65 66 4.55 160 11.031912M 4.00 101.6 6.00 152.4 1100 75.84 1100 75.84 825 56.88 - - 285 19.65 66 4.55 160 11.031914M 4.00 101.6 6.00 152.4 1100 75.84 1100 75.84 1100 75.84 - - 285 19.65 66 4.55 160 11.031920M 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 285 19.65 66 4.55 160 11.031922M 4.00 101.6 6.00 152.4 - - - - 1000 68.94 430 29.64 285 19.65 66 4.55 160 11.031924M 4.00 101.6 6.00 152.4 - - - - 1100 75.84 650 44.81 285 19.65 66 4.55 160 11.03Pressure Temperature Ratings for M Orifice 1ValveTypeInletASME Ratings (M Orifice - 4.186 in 2 (27.006 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 bargLPHP1905M 4.00 101.6 6.00 152.4 290 19.99 185 12.75 80 5.51 - - 290 19.99 66 4.55 290 19.991906M 4.00 101.6 6.00 152.4 290 19.99 290 19.99 290 19.99 - - 290 19.99 66 4.55 290 19.991910M 4.00 101.6 6.00 152.4 750 51.71 685 47.22 410 28.26 - - 290 19.99 66 4.55 290 19.991912M 4.00 101.6 6.00 152.4 1500 103.42 1368 94.32 825 56.88 - - 290 19.99 66 4.55 290 19.991914M 4.00 101.6 6.00 152.4 1600 110.31 1600 110.31 1235 85.15 - - 290 19.99 66 4.55 290 19.991920M 4.00 101.6 6.00 152.4 - - - - 510 35.16 215 14.82 290 19.99 66 4.55 290 19.991922M 4.00 101.6 6.00 152.4 - - - - 1015 69.98 430 29.64 290 19.99 66 4.55 290 19.991924M 4.00 101.6 6.00 152.4 - - - - 1525 105.14 650 44.81 290 19.99 66 4.55 290 19.99Notes:1. This valve is not listed in API 526 standard.1900.78 | Dresser Consolidated ®
Pressure / Temperature (Contd.)Selection Chart for Vapors, Gases and Liquids1900 and 1900-30 Series, M Orifice - API Area: 3.600 in 2 . (23.226 cm 2 )Tungstenor InconelSteel SpringsAlloySteelSpringsStainlessSpring1,0009008007006005004003002001000-100-200-300-400-4501920Mt 1922Mt 1924Mt1906Mt1914Mt1910Mt 1912Mt1905Mt1906Mc1905Mc 1910Mc 1912Mc1905M/L11906M/L11910M/L1 1912M/L11910M/L2 1912M/L21905M/L21906M/L21905M/L31906M/L31910M/L3 1912M/L30 200 400 600 800 1000 1200SET PRESSURE - lbs./Sq. in.INLET TEMPERATURE °F1900 Series Safety Relief Valve | 1900.79
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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
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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