2000 Hook-up Book - Spirax Sarco

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HOOK-UP DIAGRAMS 84 Figure II-1 Boiler Steam Header Boiler Steam Headers provide collecting vessels for the steam flowing from one or more boilers, and distribute it to as many mains as are needed to supply the plant. Often the flow may be in either direction along the header depending on which boilers and which supply lines are being used. Selecting the ideal location for the drip point is thus complicated. It is recommended to make the header of such an LP Steam Main Spira-tec Loss Detector Supervised Start-up Valve Figure II-2 Draining End of Low Pressure Steam Main Thermo- Dynamic Steam Trap with Integral Strainer Strainer Spira-tec Loss Detector To Plant Float & Thermostatic Steam Trap Thermo- Dynamic Steam Trap with Integral Strainer increased diameter as to drop the steam velocity through it to a low value even with maximum flow in either direction. The header can then act also as a separator, and generously sized steam traps can be fitted at each end. The boiler header and the separator, which should be fitted in the steam take off from modern high performance packaged boilers, may sometimes have to cope with carry- Condensate Return Spira-tec Loss Detector From Boiler Supervised Start-up Valve over from the boiler. These two locations form the exception to the general rule that mains drip points rarely need a steam trap as large as the 1/2" size and can usually be fitted with 1/2" Low Capacity traps. Instead, traps in 3/4" and even 1" sizes are often used. The potential for steam losses when these larger traps eventually become worn is increased, and the use of Spira-tec steam trap monitors is especially valid. In the case of low pressure mains, the use of Float and Thermostatic traps is recommended for the drip stations. The introduction of F & T traps with steel bodies, third generation capsule type or bimetallic air vents, and operating mechanisms suitable for pressures up to 465 psi, means that F & T traps can also be used on properly drained lines where waterhammer does not occur, even at pressures which would formerly have excluded them. An auxiliary air vent is recommended for the end of all mains where the system is started up automatically.
Figure II-3 Draining and Air Venting Steam Lines Figure II-4 Draining Expansion Loops Spira-tec Loss Detector Supervised Start-up Valve Inverted Bucket Steam Trap with Integral Strainer Strainer Balanced Pressure Thermostatic Air Vent Spira-tec Loss Detector Condensate Main Thermo- Dynamic Steam Trap Supervised Start-up Valve Drip points along the run of the steam lines, and at the bottom of any risers, should incorporate large diameter collecting pockets. Equal tees are useful in sizes up through 6" and larger size pipes can have pockets 2 or 3 sizes smaller than the main but not less than 6". The terminal points of the mains should have automatic air vents, and equal tees again provide convenient collecting pockets for both condensate and air when installed as shown. Spira-tec Loss Detector Spira-tec Loss Detector Thermo- Dynamic Steam Trap with Integral Strainer Thermo- Dynamic Steam Trap with Integral Strainer Condensate Return Expansion loops are often fitted in the vertical plane, with the loop either below or above the line. When below the line, condensate can collect in the bottom of the loop. Above the line, it will collect just in front of the loop, at the foot of the riser. Drainage points are necessary in each case, as shown. 85 HOOK-UP DIAGRAMS
Page 1 and 2:
DESIGN OF FLUID SYSTEMS HOOK-UPS
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Spirax Sarco Spirax Sarco is the re
Page 5:
Section 1: System Design Informatio
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SYSTEM DESIGN 2 The Working Pressur
Page 10 and 11:
SYSTEM DESIGN 4 Sizing Steam Lines
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SYSTEM DESIGN 6 Sizing Superheated
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SYSTEM DESIGN 8 Draining Steam Main
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SYSTEM DESIGN 10 Draining Steam Mai
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SYSTEM DESIGN 12 Steam Tracing The
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SYSTEM DESIGN 14 Steam Tracing Sizi
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SYSTEM DESIGN 16 Steam Tracing Trac
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SYSTEM DESIGN 18 Steam Tracing A si
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SYSTEM DESIGN 20 Pressure Reducing
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SYSTEM DESIGN 22 Parallel and Serie
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SYSTEM DESIGN 24 How to Size Temper
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SYSTEM DESIGN 26 Temperature Contro
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Page 36 and 37:
Page 38 and 39:
SYSTEM DESIGN 32 Makeup Air Heating
Page 40 and 41: SYSTEM DESIGN 34 Draining Temperatu
Page 42 and 43: SYSTEM DESIGN 36 Draining Temperatu
Page 44 and 45: SYSTEM DESIGN 38 Steam Trap Selecti
Page 46 and 47: SYSTEM DESIGN 40 Steam Trap Selecti
Page 48 and 49: SYSTEM DESIGN 42 Flash Steam Flash
Page 50 and 51: SYSTEM DESIGN 44 Flash Steam Flash
Page 52 and 53: SYSTEM DESIGN 46 Condensate Recover
Page 54 and 55: SYSTEM DESIGN 48 Condensate Pumping
Page 56 and 57: SYSTEM DESIGN 50 Clean Steam Printi
Page 58 and 59: SYSTEM DESIGN 52 Clean Steam Overal
Page 60 and 61: SYSTEM DESIGN 54 Clean Steam Figure
Page 62 and 63: SYSTEM DESIGN 56 Testing Steam Trap
Page 64 and 65: SYSTEM DESIGN 58 Spira-tec Trap Lea
Page 66 and 67: SYSTEM DESIGN 60 Steam Meters Densi
Page 68 and 69: SYSTEM DESIGN 62 Compressed Air Sys
Page 70 and 71: SYSTEM DESIGN 64 Compressed Air Sys
Page 72 and 73: SYSTEM DESIGN 66 Compressed Air Lin
Page 74 and 75: SYSTEM DESIGN 68 Typical Steam Cons
Page 76 and 77: SYSTEM DESIGN 70 Specific Heats and
Page 78 and 79: SYSTEM DESIGN 72 Specific Heats and
Page 80 and 81: SYSTEM DESIGN 74 Conversions To Con
Page 82 and 83: SYSTEM DESIGN 76 Flow of Water thro
Page 84 and 85: SYSTEM DESIGN 78 Moisture Content o
Page 86 and 87: SYSTEM DESIGN 80 ANSI Flange Standa
Page 89: HOOK-UP APPLICATION DIAGRAMS Sectio
Page 93 and 94: Figure II-8 Draining Steam Main whe
Page 95 and 96: Figure II-12 Typical Pressure Reduc
Page 97 and 98: Figure II-16 Installation of Pressu
Page 99 and 100: Figure II-20 Typical Pneumatic Sing
Page 101 and 102: Condensate Return Steam Supply Stea
Page 103 and 104: Steam Supply Steam Supply Figure II
Page 105 and 106: Figure II-31 Temperature Control of
Page 107 and 108: Elevated or Pressurized Return P 2
Page 109 and 110: Figure II-39 Controlling Temperatur
Page 115 and 116: Figure II-50 Trapping Small Utensil
Page 117 and 118: Figure II-55 Draining and Air Venti
Page 119 and 120: Figure II-59 Air Venting and Conden
Page 121 and 122: Evaporator Pressure Figure II-64 Dr
Page 123 and 124: Figure II-68 Installation of Pump/T
Page 125 and 126: Figure II-73 Draining Small Condens
Page 127 and 128: Figure II-78 Flash Steam Recovery a
Page 129 and 130: Figure II-80 Heating Water using Re
Page 131 and 132: Figure II-82 Recovery of Flash Stea
Page 133 and 134: Figure II-84 Flash Steam Condensing
Page 135 and 136: Figure II-87 Tank Sterilization Cle
Page 137 and 138: Steam Supply Figure II-93 Typical S
Page 139 and 140: Figure II-97 Hand Operated Rotary F
Page 141 and 142:
Figure II-102 Freeze Proof Safety S
Page 143 and 144:
Figure II-106 Continuous Boiler Blo
Page 145 and 146:
Figure II-111 Controlling Temperatu
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141
Page 149 and 150:
PRODUCT INFORMATION Section 3
Page 151 and 152:
Steam Traps • Balanced Pressure T
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147
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Subject Index Safety...............
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Subject Index Radiation—Baseboard
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Argentina Spirax Sarco S.A. Ruta Pa
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2000 Hook-up Book - Spirax Sarco

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