Steam traps usually have time to steam through and generally does not appear the problem of freezing damage. But once stopped by steam, steam condensate will be formed in the heat exchanger or with vacuum tube, part of the condensate formed ice, will trap frozen, once under the influence of the new boot. Here are a few frost measures: 1. Do not choose oversized trap. 2. Minimize the discharge line trap. 3. Place trap discharge lines downward installation, in order to accelerate the speed of water condensation under gravity discharge. Discharge lines and condensate return piping 4. traps plus insulation to prevent condensation water from freezing. 5. When the condensate return line is exposed to atmospheric conditions, should consider adding heating pipe. 6. If the condensate return pipe rises, vertical discharge pipe to discharge pipe adjacent the upper portion of the return manifold and the exhaust pipe and trap exhaust pipe insulation together. 

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