Industrial Gas and Air Compressors
PTC designs and supplies centrifugal, reciprocating and screw compressor packages with electric motor, steam turbine, gas turbine or expander drivers in accordance with international API standards.
Compressor portfolio
Petro Kara Energy Hiva (PTC), drawing on four decades of industrial experience and the expertise of its engineers, designs, manufactures and supplies complete compressor packages. Steam turbines, gas turbines, expanders and electric motors can be selected as drivers for air and process-gas duties. The packages are engineered to international API standards for high performance, reliability, project economy and sustainable development in oil and gas refineries, petrochemical and chemical plants, associated-gas gathering projects, oilfields, sour, toxic, corrosive, explosive and flammable gas services, and steel plants.
Compressor types covered
- Centrifugal compressors: API 617 and API 672 units for high-pressure, continuous-flow and sensitive process applications.
- Reciprocating compressors: API 618 units capable of high-pressure operation with special, sour and hazardous gases.
- Screw compressors: API 619 units for continuous medium-flow industrial service, high efficiency and straightforward maintenance.
Centrifugal compressors — API 617 and API 672
These high-performance compressors are designed for heavy industrial service across a broad range of applications.
Applications
- Oil and gas: gas injection, gas gathering, booster stations and LNG units.
- Petrochemical and polymer industries: alcohols, glycols and polyolefins including PE, PP and PS.
- Refineries: hydrocracking, steam reforming, RFCC, RHU, off-gas and flash-gas boosters.
- Chemicals and fertilizers: nitric acid, ammonia and urea production.
Benefits and features
- Current international design and manufacturing technology.
- High reliability and continuous operation in accordance with API standards.
- Custom engineering for process conditions and customer requirements.
- Flexible packaging for cooling, lubrication, instrumentation and control systems.
- Compatibility with electric motors, steam turbines and gas turbines.
- Compact footprint, straightforward installation and rapid commissioning.
- Complete service and support for up to 15 years after commissioning.
Centrifugal compressor technical specifications
| Parameter | Horizontally split | Barrel type | Integrally geared |
|---|---|---|---|
| Maximum discharge pressure | Up to 72 bar | Up to 800 bar | Up to 100 bar |
| Volumetric capacity | Up to 850,000 m³/h | Up to 450,000 m³/h | 1,500 to 850,000 m³/h |
| Number of stages | Up to 7 | Up to 10 | Up to 8 |
| Rotational speed | Up to 30,000 rpm | Up to 30,000 rpm | Up to 40,000 rpm |
| Shaft sealing | Labyrinth seal, dry gas seal or carbon ring | Labyrinth seal, dry gas seal or carbon ring | Dry gas seal or carbon ring |
| Additional detail | Fast access to internal parts and easier site maintenance. | Robust, safe construction for very high pressures and heavy duty. | Compact design, broad speed range and high efficiency for lighter processes and energy optimization. |
Process-gas reciprocating compressors — API 618
To meet growing demand for process-gas pressure-boosting equipment and reduce dependence on overseas suppliers, PTC combines local engineering expertise with technology transferred from international partners to design, engineer and manufacture API 618 reciprocating compressors. Their high reliability, very high operating pressure and broad power range make them suitable for demanding industrial duties.
Applications
- Gas injection stations for oilfields.
- Gas separation and compression units in refineries.
- High-pressure chemical and petrochemical processes.
- Transmission and gathering of sour and corrosive gases.
- Fertilizer, methanol and urea industries.
Benefits and features
- Heavy-duty design for pressures up to 357 barg.
- Suitable for sour, toxic, corrosive and flammable gases.
- Horizontal or vertical, double-acting or single-acting configurations.
- Optional intercoolers between compression stages to reduce gas temperature and optimize energy consumption.
- Easy maintenance access and full customization for gas composition and operating conditions.
General specifications
| Parameter | Value |
|---|---|
| Maximum shaft power | Up to 12,800 kW |
| Maximum discharge pressure | Up to 375 bar |
| Standard stroke length | 178 to 406 mm |
| Throws | Up to 8 |
| Cylinder bore | 41 to 1,232 mm maximum |
Process-gas screw compressors — API 619
Screw compressors combine simple construction, continuous operation and low maintenance. With current technology and established international manufacturers, PTC designs, supplies and packages API 619 compressors for oil, gas, petrochemical, steel and energy industries, including sour, corrosive, flammable and explosive gas service.
Benefits and features
- Compact, simple design and low maintenance cost.
- Continuous 24/7 duty with low noise and vibration.
- Suitable for sour, corrosive, flammable and toxic process gases.
- Single- or two-stage configuration for improved efficiency.
- Electric-motor or gas-turbine drivers.
- Reliable fully automatic control and advanced monitoring.
- Explosion- and leak-resistant design for hazardous areas.
- Full compliance with API 619 and current safety requirements.
Applications
- Natural-gas compression.
- Off-gas recovery.
- Oil refineries and LPG units.
- Petrochemical and chemical plants.
- Small power plants and distributed generation.
- Steel, mining and metallurgy.
General specifications
| Parameter | Typical value |
|---|---|
| Power | Up to 5,000 kW |
| Discharge pressure | Up to 60 bar |
| Flow rate | Up to 100,000 m³/h |
| Stages | Single or two stage |
| Sealing | Dry gas seal / mechanical seal |
| Cooling | Air or oil cooling |