Gas regulator, so that the world has entered the era of natural gas

The use of the artificial coal gas and popularize can make residents from the smoky
stoves and shoulder heavy manual labor freed of portable gas, has brought great
convenience. Artificial coal gas, however, although convenient, but its impurities,
low calorific value, more disadvantages condemned it can only act as a transitional
role in city gas, the fuel is bound to be replaced by green energy destiny.

Replacement of natural gas is a complicated systematic project, the need for all pipe,
valves, regulators, and indoor facilities to conduct a comprehensive survey,
transformation. In order to successfully promote the replacement work, the gas
company set up headquarters replacement work, pipeline survey group, information
publishing group, pipe network transformation group, replacement diffuse group,
improve network connection group, material supply group, the China user security
inspection team, big customers table with the transformation of the group, a number
of professional services group reconstruction team stove, gas appliance sales and
service groups, and other logistics services group, division of labor between the various
groups, the replacement of natural gas to provide a strong guarantee.

Natural gas era has fully come, along with the popularity of natural gas, will greatly
improve the urban ecological civilization, and improve the quality of life of the people.
We can expect, sky will be bluer, the air will be more fresh.

What is Gas Pressure Regulating and Metering Stations?

Hengshui Runfeng Gas Equipment Co., Ltd provide a range of skid-mounted, 

pre-packaged pressure regulating stations with safety shut-off valve that

 ensure reliable gas control and supply in domestic and industrial environment.

RX-※/0.4 Gas Pressure Regulating and Metering Stations compact system with 

RTZ※/0.4 AQ gas pressure regulator, ideal for restaurant, blocks of flats and

 hotel for natural gas consumption of up to Q max 8800 m³/h and P1 max 4bar.

RX-※/0.8 Gas Pressure Regulating and Metering Station compact system with 

RTZ※/0.8 AQ gas pressure regulator, ideal for municipal and industry users, 

such as for municipal building, industry boiler, industry kiln, mining gas for gas

 consumption of up to Q max 15700 m³/h and P1 max 8bar.

The work of Gas Pressure Regulating and Metering Stations

Hengshui Runfeng Gas Pressure Regulating and Metering Stations comprise

 maintenance-free cabinets or kiosks that are typically fitted with gas supply 

and control equipment.For instance:

• Inlet and outlet ball valves to control gas flow

• Inlet and outlet pressure gauges for measuring gas flow

• Flow filter that isolate and purity the gas

•Shut-off and relief valve that stop of reduce the pressure in system, and ensure 

safety of equipment.

How to Install Cabinet-type Gas Control Point?

The following steps should be observed when install cabinet-type gas control point:

1.The regulator box should be hanged or mounted on the ground. To sling or put down the 
regulator box should be carefully when install it and can not make it incline and inversion.

2.It should be installed according to the direction of gas flow of regulator and opposite direction is
 forbidden. The flange should be parallel and can not force it in place.

3.The airtight test should be done after finishing installation to ensure the leakproofness of the 
connections of inlet and outlet.

4.To do airtight test for the regulator box’s outlet, test pressure should be 1.1 times as movement

 pressure of safety device of avoiding the outlet pressure is too high.

5. The installation of regulator box should meet the requirements of Code for Design of City Gas

 Engineering (GB50028-2006).

What is Cabinet-type Gas Control Point?

Cabinet-type gas control point have other names, such as gas pressure regulator box, 
gas pressure regulator cabinet, or cabinet gas control plant, gas pressure regulating station,
 etc. It was divided into two types, floor-type cabinet and wall-mounted type cabinet. 

No matter witch one, it should take care when install it.

Cabinet type gas control point is a procedure in the gas distribution and transmission
 system. It was widely used and promoted because of its features of compact structure, 

small floor space, cost saving, easy to use and maintain.

The main configuration :

1. Cabinet body

2. Inlet valve

3. Gas filter

4. Gas pressure regulator

5. Safety relief valve

6. Outlet valve

The optional configuration:

1. By-pass valve

2. Manometer

3. Electricity heat-tracing

4. Electricity meter

5. Explosion-proof switch

6. Manometer valve

7. Pressure transmitter

8. Temperature transmitter

9. Flow meter

The  internal construction of cabinet:

1+0 (one reduction line)

1+1 (one reduction line + by-pass)

2+0 (two reduction line)

2+1 (two reduction line + by-pass) 

You need to tell your supplier the flowing technical data When you choose a cabinet-type gas control point:

1. Inlet and outlet pressure 2.Flow capacity 3. Working temperature 4. The gas type

Where Can We Find Gas Pressure Regulators(Governor)?

Pressure regulator are used for our daily life and industrial applications. Specialty gas regulator applications are divided into two types.

The first is when the regulator is fastened to a gas cylinder using a Compressed Gas Association (CGA) fitting (or BS or DIN). For example, pressure regulators are used in gas grills to regulate propane pressure, in home furnaces to regulate natural gas, in medical/dental equipment regulate oxygen and anesthesia gases, in pneumatic automation systems to regulate compressed air, in engines to regulate fuel pressure, and in fuel cells to regulate hydrogen.

The second application is when a regulator is located in a gas line - providing a means to further reduce the line pressure. A line regulator is identified by having the inlet and outlet opposite of each other, and by a single gauge which is in the 12 o'clock position to indicate the reduced pressure. For example, pressure regulator are used for city/urban gas transmission or distribution system which supply natural gas for residential or other industry facilities, gas boiler, gas kiln, gas generator, heat burner, etc.

How to Chose a Proper Gas Pressure Regulator (Governor)?

Many factors should be considered when choosing a proper gas pressure regulator(gas controller).

From the angle of gas type:

1.General Gas Use. For general use, regulators of brass construction with elastomeric diaphragms will give good service in noncorrosive service where slight contamination or diffusion from an elastomeric diaphragm is not important. Brass regulators with stainless steel diaphragms prevent air diffusion and adsorption of gases on the diaphragm. This is particularly important with low concentration mixtures of hydrocarbons in which the trace component may be adsorbed on the elastomeric diaphragm.

The gas regulator must be constructed using materials suited to the application. Industrial general purpose regulators are often constructed with either Buna-N or Neoprene diaphragms. Regulators with Buna-N or Neoprene diaphragms are not suitable for GC analysis that can be affected by the diffusion of atmospheric oxygen through the elastomer diaphragm or the outgassing of monomers and dimers from the elastomer. In fact, laboratories that perform temperature programmed analysis are faced with excessive baseline drift and large unresolved peaks due to this diffusion and outgassing.

 High-Purity Gas Service. 
The ideal construction for high-purity gas service is a gas regulator that has a stainless steel diaphragm. Such regulators are not contaminating and assure satisfactory use for all applications of noncorrosive and mildly corrosive gases. Regulators for corrosive gases must be selected from those recommended with each gas listing.

A gas regulator equipped with a stainless steel diaphragm has several advantages over the elastomeric type. It does not outgas organic materials and it also prevents the diffusion of atmospheric oxygen into the carrier gas. Both Buna-N and Neoprene diaphragms are permeable to oxygen. The chemical potential of oxygen between the carrier gas and the atmosphere provides sufficient driving force for oxygen to intrude the carrier gas through a permeable diaphragm. 

What is City Gate /Transmission/Distribution gate?

As we know, natural gas was used in every part of our daily life,the using of water heater, some of appliance can not without natural gas. But the natural gas from the source of the natural gas well to our home need a long distance and many procedures, the pressure of natural gas have been in a very high condition,although the gas pressure get our home, we can not use it because of the high pressure, so it need a pressure reduction process, the city gate station was appeared at the moment.

High-pressure transmission pipelines move the gas from the production company’s cleaning plants to gas distribution companies for sale to consumers. Regulators control the high-pressure gas as it moves along the pipeline. At city gate stations and farm taps, regulators reduce the pipeline gas pressure to distribution pressure. To provide a constant, measurable gas pressure, service regulators control the gas pressure before it enters the customer’s residence or building. 

City gate station is a gas reduction station combined various valve, filter, safety device, pipeline, gas pressure regulator, manometer and other spare parts. According to the research of Hengshui Runfeng Gas Equipment Co., Ltd. The gas pressure regulator is the key part in the gas gate station to regulate the natural gas pressure. The performance of the gas pressure regulator directly affect the result of pressure reduction. Filter is also very important, it will lead to the fail work of the gas pressure regulator (governor) if there are impurities in the natural gas. The best valve chosen for inlet and outlet valve is ball valve which have the better sealing.