LPG Reticulated System

Reticulated Piped Gas System is supply of Liquefied Petroleum Gas (LPG) through a network of pipelines, from a centralized cylinder bank / manifold system or a Bulk Installation (Bullet, specifically for commercial applications) to customer (end user’s) kitchen and other gas appliances like geyser.

This is achieved by reducing the Storage Pressure (In LPG cylinders or tanks) to appliance pressure by means of suitable Pressure regulators with the extreme safety. Safety appliances like Filters, Over Pressure Shut Off Device (OPSO), Slam Shut Off Regulator, Relief Valves, etc are used in the system to enhance the safety of the installation. The Auto changeover device ensures smooth changeover of supply of gas from active gas bank to standby gas bank.

The Pressure Reduction System (PRS) takes place in three stages:

1. First Stage Reduction (PRS-I): In this stage the LPG cylinder pressure is reduced from about 5-6 bar (depending on temperature conditions) to about 1 bar. The gas bank has two manifolds, one is active and other is standby mode. Each manifold with battery of cylinders connected together parallel to a common pipe line. When the Active Manifold is empty, then supply of gas will automatically commence from the Standby Manifold using Automatic Change Over Regulator which ensures continues gas supply. An OPSO (Over Pressure Shut-off) Valve is a safety device which monitors the gas supply pressure & compares it to its preset level. In case the regulator fails at its preset level, the OPSO valve will automatically active there by gas supply will be shutoff.



2. Second Stage Reduction (PRS-II): This system is installed near the building structure at basement or Stilt level, wherein the pressure is further reduced from 1 bar to 110-150mbar. This low pressure gas passes through HEADER & RISER pipes and enters to each individual consumer’s flat. It has safety features such as UPSO (Under Pressure Shut-off) & OPSO (Over Pressure Shut-off).

3. Third Stage Reduction (PRS-III): This stage (with UPSO) is mounted just before the gas meter of each individual flat. It further reduces the pressure from 110-150 mbar to about 28-30 mbar, thus the pipe connecting the gas stove receives the pressure of 28-30 mbar.

The Gas metering systems can be offered to customers in different forms:

1. Conventional Gas meters
2. Prepaid Gas Meters with IC cards
3. Prepaid or Postpaid Gas Meters with AMR system and billing management

Quality Standards: 

Sohum has been a pioneer in reticulated gas system installations since 2009. We have converted more than 10,000 residential units (PNG & LPG) and managed their billing system for about a decade. We provide utmost quality standards for installation of these systems which confirm to ISO-9001:2015, Indian Standard (IS:6044), Indian Gas Cylinder Rules:2004, etc.

Need for LPG Reticulated System:

There are about 250 million households using LPG and as many as 13 million are on the waiting list. The average growth rate in demand has been 12 to 13 percent and is expected to be of the same order in the years to come. However, there are restrictions by way of domestic availability. Lack of infrastructural facilities and shortage of gas has hampered the growth of the Petroleum Gas Companies. Today the public sector units are in no position to increase their bottling capacity. Today’s situation warrants an alternative system and Reticulated Gas System, being used in Europe and America, is the best solution to this problem. Reticulated gas system is Tailor made to suit the project requirements. This centralized distribution system supplies gas to each and every user through a network of absolutely safe system and is the best alternative to the conventional LPG distribution system. The rigours of getting a refill are totally eliminated and the consumer ‘pays for what the uses. 

PNG systems are restricted to certain to geographical areas and further the availability of natural gas is questioned everywhere. LPG systems have limited loops; hence more security and more control on the safety aspects. At every stage, state-of-the-art equipment is used with Carbon steel pipes, to provide the best and safest LPG Reticulated System. The system is tested as per strict norms of the Oil Industry at every stage. Because safety is foremost followed by Convenience.

Advantages of LPG Reticulated System:

• Reticulation system provides continuous supply of gas at the turn of tap.
• No need to wait for the new cylinder after exhausting the existing cylinder.
• Space saving in the Kitchen.
• Improves the aesthetic sense of the Kitchen.
• More Safety to the kitchen as Under/Over Pressure Shut off Regulator is incorporated.
• No need of blocking the money as well as the space for the second cylinder.

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