P Series-Natural Gas Generator Sets

Robust Power with British Engineering Heritage.

Enerzip® P Series Natural Gas generator sets (375kVA – 1238kVA) are powered by the legendary Perkins® 4000 Series gas engines. Known for their heavy-duty architecture and exceptional load acceptance, the P Series is the definitive solution for large-scale industrial continuous power and reliable grid support.

Legendary UK Power: Powered by the heavy-duty Perkins 4000 Series (6-16 cylinders), designed specifically for demanding baseload applications.
Lean-Burn Efficiency: Advanced combustion technology delivers high thermal efficiency and low NOx emissions, cutting fuel costs.
24/7 Durability: Features a robust engine block and large bearing surfaces, engineered to withstand continuous operation (COP).
Maintenance Friendly: Unique design with individual cylinder heads allows for faster, lower-cost service compared to competitors.
Stable Performance: Electronic management ensures precise air-fuel ratio control for stable voltage even under fluctuating loads.
Industrial Workhorse: The reliable choice for large-scale manufacturing plants and commercial power generation.

Description

Enerzip® P Series: The British Standard of Baseload Power Powered by Perkins® 4000 Series (UK) | Heavy-Duty & Maintainable (375kVA – 1238kVA)

For large-scale commercial and industrial facilities requiring a reliable powerhouse, the Enerzip® P Series is the definitive choice. These Natural Gas Generator Sets are powered by the legendary Perkins® 4000 Series gas engines, engineered in the UK. Unlike high-speed automotive derivatives, the Perkins 4000 is a true industrial engine designed specifically for prime power. By integrating this massive British iron core with Enerzip’s precision control systems, we deliver a Natural Gas Generator that offers a unique combination of lean-burn efficiency, exceptional durability, and the easiest maintenance access in its class. For platform comparison and selection guidance across Enerzip’s complete natural gas generator portfolio, you may also explore the Natural Gas Generator Sets Series.

1. The Power Core: Heavy-Duty British Engineering

The heart of the P Series Natural Gas Generator is the Perkins 4000 Series engine (6, 8, 12, and 16 cylinders). For general reference on the engine family behind this series, buyers may also review the Perkins 4000 Series.

Purpose-Built Structure: These engines feature a substantial cast-iron block with large bearing surfaces. This “over-engineered” structure minimizes internal stress, allowing the Natural Gas Generator Set to operate 24/7 (Continuous Duty) with minimal wear.
Large Displacement: The 4000 Series relies on large displacement rather than extreme turbo boost pressures to generate power. This results in a stable, less stressed engine that offers superior longevity compared to smaller, highly-strung competitors.

2. Combustion Technology: Lean Burn Efficiency

Perkins utilizes advanced combustion technology to balance power and ecology.

Lean Burn: The P Series operates on a “Lean Burn” principle. The Natural Gas Generator runs with excess air in the combustion chamber. This lowers the combustion temperature, significantly reducing Nitrogen Oxide (NOx) emissions while improving fuel efficiency.
High Thermal Efficiency: This technology ensures that every cubic meter of gas is utilized effectively, reducing the operational cost (OPEX) for facility managers.

3. Maintenance: The “Individual Head” Advantage

This is the signature feature of the Perkins 4000 Series and a massive advantage for service teams.

Individual Cylinder Heads: Unlike engines with monolithic cylinder heads covering a whole bank of cylinders, the Perkins engine features Individual Cylinder Heads.
Reduced Downtime: If a valve or seal needs replacing on one cylinder, a technician can remove just that one head without disturbing the others. This makes top-end overhauls on this Natural Gas Generator Set faster, easier, and significantly cheaper than on competitor engines.

4. Gas Train: Precision Metering

To support lean-burn technology, fuel delivery must be exact.

Integrated Safety: We partner with DUNGS (Germany) or Kromschröder to provide a high-flow gas train. It includes double-block solenoid valves and zero-pressure regulators to ensure the safety of the Natural Gas Generator.
Fast Response: The gas train is paired with an electronic throttle and mixer that reacts instantly to load changes, preventing the engine from stalling during sudden power demands.

5. Control Systems: The Electronic Manager

Managing a large lean-burn engine requires sophisticated oversight.

Full Authority Control: We utilize ComAp or DeepSea controllers that act as the brain of the Natural Gas Generator Set. The system monitors the Air-Fuel Ratio (AFR) and exhaust temperatures for each cylinder bank.
Protective Logic: The controller provides multi-level protection against detonation (knocking), over-speed, and low oil pressure, ensuring the asset remains safe under all grid conditions.

6. Ignition System: Digital Stability

Reliable ignition is critical for lean mixtures, which are harder to ignite than rich mixtures.

High-Energy Spark: We equip the P Series with a high-energy digital ignition system (often Altronic or similar OEM spec). This provides a powerful spark duration necessary to ignite the lean gas-air mixture completely.
Individual Timing: The ignition timing is optimized for each cylinder to maximize efficiency and smoothness.

7. Cooling Systems: 50°C Tropical Grade

Perkins engines are deployed globally, from the Arctic to the Sahara. Enerzip ensures they stay cool anywhere.

Oversized Radiators: We specify Oversized Radiators (sourced from premium suppliers like Weifang Sinrui) rated for 50°C ambient temperature.
Temperature Stability: The cooling system is designed to maintain the engine at its optimal operating temperature range, which is critical for maintaining the tight tolerances of a lean-burn Natural Gas Generator.

8. Alternator: Stable & Clean Power

Large facilities often have sensitive loads like variable frequency drives (VFDs) and UPS systems.

Premium Brands: The P Series is coupled with LEROY SOMER or STAMFORD alternators.
Load Handling: These alternators feature high motor-starting capabilities and 2/3 pitch windings to suppress harmonics, ensuring the Natural Gas Generator Set delivers clean, utility-grade power.

9. Durability & Heritage: A Proven Investment

Investing in a Perkins-powered unit is investing in peace of mind.

Global Support: Perkins has one of the widest service networks in the world. Parts for the 4000 Series are readily available globally.
Resale Value: Due to the reputation of the Perkins brand and the durability of the iron, Enerzip P Series Natural Gas Generator Sets retain excellent residual value over time.

For baseload and grid-support applications, the P Series can be deployed in parallel using Enerzip® Paralleling & Grid-Connect Systems to improve redundancy and operational efficiency.

Why Choose Enerzip® P Series Natural Gas Generator Sets?

The Enerzip® P Series combines the rugged, industrial soul of British engineering with modern combustion efficiency. The Perkins 4000 Series engine is legendary for a reason: it is built to work. With its unique individual cylinder head design simplifying maintenance and its lean-burn technology saving fuel, this Natural Gas Generator is the ideal solution for shopping malls, industrial plants, and independent power projects seeking a machine that will run reliably for decades.

Genset Model	ESP(KVA)	ESP(KW)	PRP(KVA)	PRP(KW)	Gas Cons (kJ/KWH)	LWH(mm) Open Type	LWH(mm) Silent Type	Engine Model	Country of origin	Cyl Arrangement	Displacement(L)	Gov	Cooling
P413N5	413	330	375	300	9180	331016551990	475018002490	4006-23TRS1	China	6L	22.921	E	Water Cooling
P495N5	495	396	450	360	8964	333516551990	475018002490	4006-23TRS2	China	6L	22.921	E	Water Cooling
P578N5	578	462	525	420	9036	375016551990	475018002490	4008-30TRS1	China	8L	30.561	E	Water Cooling
P674N5	674	539	612.5	490	8892	385016551990	475018002490	4008-30TRS2	China	8L	30.561	E	Water Cooling
P1183N5	1183	946	1075	860	9036	496517602180	ISO 20ft container	4016-61TRS1	China	16V	61.123	E	Water Cooling
P1361N5	1361	1089	1237.5	990	8892	495017602180	ISO 20ft container	4016-61TRS2	China	16V	61.123	E	Water Cooling

Technical Notes – P Series (Perkins® 4000 Series):

1. Technical data is based on Perkins® gas engine specifications and Enerzip® industrial integration standards.

2. Rated power is defined in accordance with ISO 8528 and ISO 3046 reference conditions.

3. Gas consumption values are expressed in kJ/kWh based on lean-burn engine efficiency benchmarks.

4. Continuous baseload operation capability depends on maintenance regime, cooling system sizing, and fuel quality consistency.

5. Dimensions, weights, and acoustic values may vary depending on enclosure, radiator, and alternator configuration.

Applications

Enerzip® P Series – The British Standard of Baseload Power Powered by Perkins® 4000 Series (UK) | Heavy-Duty & Maintainable (375kVA – 1238kVA)

The Enerzip® P Series is designed for one purpose: Continuous Power. Powered by the legendary Perkins® 4000 Series gas engines, these Natural Gas Generator Sets are far removed from light-duty automotive derivatives. They are true industrial powerhouses, engineered in the UK to run 24/7/365. With their unique “Individual Cylinder Head” design and advanced Lean Burn technology, the P Series is the preferred choice for facility managers who prioritize longevity and ease of maintenance.

Here is how the P Series powers critical infrastructure:

1. Large Commercial Complexes (Trigeneration)

Maximizing Efficiency for Malls & Airports Large shopping malls, airports, and office parks have massive energy footprints, requiring cooling in the day and electricity all night.

The Enerzip Advantage: The Perkins 4000 Series engine is a Lean Burn powerhouse. It runs with excess air to minimize emissions and maximize fuel efficiency. When configured for Trigeneration (CCHP), the P Series Natural Gas Generator produces electricity, heat (for water), and cooling (via absorption chillers) simultaneously. This allows commercial operators to achieve energy efficiency ratings exceeding 85%.
Key Application: Shopping Malls, Airport Terminals, Business Parks.

2. Waste-to-Energy & Landfill Gas

The Global Leader in Biogas Perkins engines have a decades-long reputation for reliability in the landfill and biogas sector.

The Enerzip Advantage: The P Series is exceptionally tolerant of variable fuel quality. It is widely used to run on Landfill Gas and Digester Gas. The engine’s large displacement and low-pressure turbocharging allow it to handle the impurities and lower methane content of waste gas better than high-speed competitors. This turns a site’s waste problem into a profitable revenue stream.
Key Application: Landfill Gas Generation, Wastewater Treatment Plants, Agricultural Biogas.

3. Industrial Baseload Power

Minimize Downtime with Smart Design For textile mills, glass factories, and ceramics plants, stopping the production line costs thousands of dollars per minute.

The Enerzip Advantage: The signature feature of the Perkins 4000 Series is the Individual Cylinder Head design. Unlike competitor engines with a single massive cylinder head, maintenance on a P Series Natural Gas Generator Set is surgical. If one cylinder needs attention, a technician can service just that head without disturbing the rest of the engine. This significantly reduces maintenance downtime, keeping the factory running.
Key Application: Textile Manufacturing, Glass & Ceramics Plants, Continuous Process Industries.

4. Independent Power Producers (IPP)

Proven Grid Support When building a localized power station to sell electricity to the grid or a local community, reliability is currency.

The Enerzip Advantage: The P Series is built on a massive cast-iron frame designed for stability. Its proven track record in Peaking and Baseload applications makes it a bankable asset for IPP investors. With extended service intervals and low oil consumption, the P Series ensures that the Operational Expenditure (OPEX) remains low over the project’s 15-20 year lifespan.
Key Application: Local Power Stations, Grid Peaking Plants, Rural Electrification.

5. Greenhouses & Vertical Farming

Clean Exhaust for Growth Modern agriculture requires heat and CO2, but the equipment must be robust.

The Enerzip Advantage: The Lean Burn combustion process of the Perkins engine produces very low NOx emissions. This makes the exhaust gas easier to scrub and treat for CO2 Fertilization inside greenhouses. The P Series Natural Gas Generator provides the electricity for LED grow lights, the heat for climate control, and the CO2 for photosynthesis—a complete energy solution for modern farming.
Key Application: High-Tech Greenhouses, Vertical Farms, Flower Plantations.

Why the P Series fits these sectors best?

The Enerzip® P Series is defined by Serviceability and Heritage. While other engines are getting smaller and more complex, the Perkins 4000 Series remains a heavy-duty titan. Its large displacement ensures low stress on internal components, and its Individual Cylinder Head design solves the biggest headache of industrial power: maintenance downtime. For factories and power plants that cannot afford to stop, the P Series is the only choice.

FAQ

What makes the P Series suitable for continuous industrial duty?

The Perkins 4000 Series features individual cylinder heads and robust block design, allowing continuous operation with reduced downtime during maintenance.

How does lean-burn technology affect performance?

Lean-burn combustion reduces NOx emissions and improves fuel efficiency, making the P Series suitable for environmentally regulated regions.

Is maintenance downtime lower than other large gas engines?

Yes. Individual cylinder heads allow partial servicing without full engine teardown, reducing outage time.

Can the P Series operate in hot climates?

Yes. With proper radiator sizing, it supports 50°C ambient conditions without derating.

Is this series suitable for IPP projects?

Yes. Long service life, stable performance, and predictable OPEX make it suitable for long-term power generation investments.

Does Perkins global support matter?

Yes. Global parts availability and service coverage significantly reduce long-term operational risk.

Related Products

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W Series – High Voltage Generators

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