Design, Butt Weld Ends

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90 Feed Water Heater Isolation Valve Sizes 8”– 18” ASME B16.34 1690 Int. Class Main component materials Body ASTM A216 WCB (0.25% C max) Pressure Seal Expanded Graphite Bonnet ASTM A105 Spring FV 520B (17/4 PH) Disc Guide 17/4 PHSS Hydrostatic shell & seat leak test pressures Press. Body Material ASTM Class A-216 WCB Spring Loaded Bypass Valve Shell Rev.Seat 1690 psi 6350 450 Dimensions Size bar 438 31 Lift press. psi/bar Min. Max. C A øM øN A C M N Product Numbers 8 in 20 44 35 23.6 6.69 8.78 200 mm 1.4 3.0 889 399.4 169.9 223 10 in 20 44 39 26.2 8.35 10.94 250 mm 1.4 3.0 991 665.5 212.1 277.9 12 in 20 44 44.5 32.1 10.04 12.99 300 mm 1.4 3.0 1130 815.3 255 32.9 14 in 20 44 49.5 37 11.02 14.25 350 mm 1.4 3.0 1257 939.8 279.9 362 16 in 20 44 53 39.1 12.64 16.26 400 mm 1.4 3.0 1346 993.1 321 413 18 in 20 44 61 41.3 14.09 18.31 450 mm 1.4 3.0 1549 1049 357.9 465.1 A73E200P A73E250P A73E300P A73E350P A73E400P A73E450P
Reheater Isolating Device Sizes 16” – 36” ASME B16.34 – 1996 Valve overall lengths to ASME B16.10 – 1992 Pressure Class: 500, 900 91
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HIGH PERFORMANCE LINE VALVES FOR PO
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DEWRANCE CONTROLLING PRESSURE WORLD
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State of the art machine tools play
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QUALITY STANDARD AND NDE Dewrance h
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10 A TOTAL VALVE CAPABILITY - FROM
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12 High Pressure Cast Steel Paralle
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Advantages of Venturi Parallel Slid
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Pressure/Temperature Ratings (Paral
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Pressure/Temperature Ratings (Paral
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Cast Steel Parallel Slide Gate Valv
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Page 31 and 32: High pressure Forged Steel Parallel
Page 33 and 34: 36 Forged Steel Parallel Slide Gate
Page 39 and 40: 42 Low Pressure Cast Steel Parallel
Page 41 and 42: Cast Steel Parallel Slide Gate Valv
Page 47 and 48: High pressure Steel Check Valves Si
Page 49 and 50: 54 Pressure/Temperature Ratings (Ch
Page 51 and 52: 56 Forged Steel Swing Disc Check Va
Page 53 and 54: 58 Cast Steel Tilting Disc Check Va
Page 55 and 56: 60 Tilting Disc Check Valve Unique
Page 57 and 58: 62 Low Pressure Steel Swing Check V
Page 59 and 60: Cast Steel Swing Check Valve Sizes
Page 61 and 62: Cast Steel Swing Check Valve Sizes
Page 63 and 64: Bled Steam Check Valve Sizes 6” -
Page 65 and 66: Product Application Tests Flow Test
Page 67 and 68: 74 Pressure/Temperature Ratings Imp
Page 69 and 70: 76 Bled Steam Check Valve Sizes 6
Page 71 and 72: 78 Bled Steam Check Valve Unique Se
Page 73 and 74: 80 Bled Steam Check Valve - Options
Page 75 and 76: 82 Feed Water Heater Isolation Syst
Page 77 and 78: Feed Water Heater Isolation System
Page 79 and 80: Feed Water Heater Isolation Valve S
Page 81: Feed Water Heater Isolation Valve S
Page 85 and 86: Reheater Isolating Device Sizes 16
Page 87 and 88: 96 Pressure/Temperature Ratings Col
Page 89 and 90: 98 Reheater Isolating Device Featur
Page 91 and 92: 100 Materials of Construction ASTM
Page 93: DEWRANCE HEADQUARTERS IN THE UK UNI
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Design, Butt Weld Ends

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