2000 Hook-up Book

Figure II-3 Draining and Air Venting Steam Lines

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 pro vide convenient collecting pockets for both condensate and air when installed as shown.

Balanced Pressure Thermostatic Air Vent

Spira-tec Loss Detector

Thermo Dynamic

Steam Trap with Integral Strainer

Spira-tec Loss Detector

Inverted Bucket

HOOK-UP DIAGRAMS

Supervised Start-up Valve

Steam Trap with Integral Strainer

Condensate Main

Figure II-4 Draining Expansion Loops

Thermo Dynamic

Steam Trap with Integral Strainer

Spira-tec Loss Detector

Spira-tec Loss Detector

Condensate Return

Thermo Dynamic Steam Trap

Strainer

Supervised Start-up Valve

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.

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