How to Tackle the Cylinder Sweating Problem

At certain times, similar to sweating, tiny droplets can be found on the LPG cylinder’s outer surface. This phenomenon is known as cylinder sweating and is more common in hotels or restaurants. Several precautions can be taken in the case of cylinder sweating. Several measures can also be taken to ensure LPG cylinder sweating does not happen. 

Updated On - 05 Sep 2025

What is LPG Cylinder Sweating?

The formation of an ice coating or water droplets on an LPG cylinder’s outer surface is called cylinder sweating. Usually, LPG cylinder sweating happens at hotels and restaurants.

Why Does a Cylinder Sweat?

Cylinder sweating is when you find condensation around your cylinder. There is a natural rate of withdrawal when converting a liquid to a gas. When this rate of withdrawal is exceeded, the cylinder absorbs heat from its surroundings, and when the rate of withdrawal returns to normal (or the cylinder is turned off), the cylinder's surroundings cool down, causing condensation to form. 

In case the manifold is not designed properly, cylinder sweating can happen. Cylinder sweating can happen for a variety of reasons, but the most prevalent is when you connect more burners than expected. 

What Should We Do?

The following steps can be taken in the case of cylinder sweating: 

  1. Air circulation can be increased in the cylinder cabin. 
  2. A high pressure line can be attached separately. 
  3. Dry air can be blown at the bottom level. 
  4. Cylinders can be used intermittently. 
  5. Pigtails that are unconnected must be plugged in.
  6. The cylinders that are present in the manifold can be increased. 

What Not to Do?

The things that should not be done in the case of LPG cylinder sweating are mentioned below: 

  1. Cylinders must not be kept in a cabinet. 
  2. Hot water must be used to submerge the cylinders. 
  3. Heating must not be done with flames. 

How to Tackle Cylinder Sweating?

A manifold must be designed based on the requirements and consumption patterns to ensure cylinder sweating does not occur. This can help in ensuring that the LPG withdrawal rate is higher than the actual withdrawal rate.

Frequently Asked Questions (FAQs)

  • What can I do to keep my gas cylinder safe?

    To avoid any inadvertent leaking, always switch off the knob on the gas cylinder after usage. Close all stove knobs after each usage, as well as if you detect a leak. To avoid any accidents caused by a gas leak from a gas cylinder, install gas detectors in your kitchen and in the room where you keep your gas cylinder.

  • Is cylinder sweating a normal phenomenon?

    No, it is not a normal phenomenon. Cylinder sweating happens when the rate of withdrawal exceeds the normal amount.

  • Is it safe to expose gas cylinders to rain?

    No, it is not safe to expose gas cylinders to rain or heat or dust.

  • Whom should I contact in case the cylinder’s seal is broken?

    You must contact the distributor’s customer care in case the cylinder’s seal is broken.

  • Can I purchase LOT cylinders to prevent the risk of cylinder sweating?

    Yes, you can purchase LOT cylinders to prevent the risk of cylinder sweating.

  • Why is cylinder sweating common in VOT cylinders?

    VOT cylinders undergo the cylinder sweating phenomenon as they cannot be used for heavy purposes.

  • Can the gas cylinder be used in regular intervals in the case of cylinder sweating?

    Yes, the gas cylinder can be used in regular intervals in the case of cylinder sweating.

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