Engineering & Infrastructure — City Gas Distributions

We design, build and operationalize natural gas last-mile infrastructure.

City Gas designs, fabricates, and installs turnkey gas systems, tailoring every project to exact customer specifications. Backed by full lifecycle support—from engineering and testing to commissioning and maintenance—we deliver safe, precise gas infrastructure including custom City Gate Stations, filtration units, and heating systems for all pressures and flow rates.

Natural gas pipeline networks

High-pressure trunklines and low-pressure local distribution networks — engineered, laid, tested and commissioned by our in-house teams.

Pressure Reduction & Metering Stations (PRMS)

Pressure regulation, filtration and custody transfer metering — pre-engineered and site-installed for utility-grade performance.

Emergency Shutdown Valves (ESV)

Safety-critical isolation valves and shutdown systems engineered to international standards for industrial and municipal installations.

Instrumentation & check-meter skids

Advanced instrumentation, gas check-meter skids and continuous emissions monitoring for hydrocarbons, CO₂, CO, NOₓ and SO₂.

What We Build: City Gates

City Gate Stations are the vital facilities that safely transfer high-pressure transmission gas into local distribution networks. Our installations perform the following critical operations before the gas reaches homes or vehicle fueling stations:

Pressure Reduction: Utilizing advanced regulators to safely step-down extreme transmission pipeline pressures to community-friendly levels.

Filtration & Cleaning: Removing debris, moisture, and dust to protect downstream local infrastructure and consumer appliances.

Odorization: Injecting distinct scents (like mercaptan) into naturally odorless gas to ensure leaks are easily detected.

Metering: Precisely tracking the volume of gas flowing into the distribution network for accurate billing.

Discuss your project

Equipment / System	Description	Scope
City Gate Stations	Custom inlet stations for all pressures and flow rates, including filtration, regulation, metering and odorization	Design, fabricate, install, commission
Heating Units	Indirect water bath and direct-fired line heaters for pressure reduction duty	Design, fabricate, install, commission
Filtration Units	Coalescing filters, particulate separators and gas scrubbers to gas quality spec	Supply, install, maintain
Launchers and Pig Receivers	High- and low-pressure steel and polyethylene pipeline systems	Survey, design, lay, test, commission
Meter Runs	Billing-grade gas measurement with chromatographic analysisy	Design, fabricate, install, audit

Equipment / System

Description

Scope

City Gate Stations

Custom inlet stations for all pressures and flow rates, including filtration, regulation, metering and odorization

Design, fabricate, install, commission

Heating Units

Indirect water bath and direct-fired line heaters for pressure reduction duty

Design, fabricate, install, commission

Filtration Units

Coalescing filters, particulate separators and gas scrubbers to gas quality spec

Supply, install, maintain

Launchers and Pig Receivers

High- and low-pressure steel and polyethylene pipeline systems

Survey, design, lay, test, commission

Meter Runs

Billing-grade gas measurement with chromatographic analysisy

Design, fabricate, install, audit

Maximum safety, compliance and efficiency — by design.

We provide ongoing technical assistance to maximize the lifespan and accuracy of your gas assets:

Engineering services and technical consulting

Factory Acceptance Testing on all fabricated equipment

Calibration and routine maintenance

Maintenance, recovery, and recalibration of meter runs and single/dual-chamber orifice fittings

Start a Project Discussion