Essential Fuel System Testing Equipment
Fuel system testing and maintenance equipment is crucial for preventing serious and costly engine damage. Using these tools helps keep diesel and gas engines performing at their best. Fuel System Maintenance
Precision Grinding for Electric Fuel Pumps and Fuel Valves
The Chris-Marine FPG grinding machine is purpose-built for precision grinding of electric fuel pumps and fuel valve components on diesel engines. Thanks to its robust construction and integrated precision features, the FPG delivers high-quality grinding results quickly and consistently. As a result, workshops achieve superior surface finishes compared to conventional fuel pump grinding machines from other manufacturers.
Efficient Workshop Grinding Without Lapping
Unlike many competing fuel valve grinding solutions, the FPG eliminates the need for lapping. Instead, its air-driven precision grinding spindle and fine feed adjustment ensure accurate material removal in a controlled process. Consequently, workshops save time while maintaining repeatable results. Moreover, the electrically driven base combined with an air-driven grinding head provides excellent stability and operator control.
Machine Features for Reliable Results
The FPG supports a wide operating range, making it suitable for professional workshops ashore. In addition, its integrated features enhance productivity and grinding accuracy:
- Air-driven precision grinding spindle
- Fine feed adjustment for controlled grinding
- Diamond dresser mounted on the machine
- Universal grinding wheel for all surface materials
- Integrated cooling water system for thermal stability
Compared to alternative fuel pump and valve grinding machines, these features ensure faster setup, reduced rework, and longer component life.
Compatible with Leading Engine Manufacturers
The FPG grinding machine supports fuel pump and valve components for major engine makers, including Hyundai, MAN B&W, Sulzer, and Wärtsilä. Therefore, it serves as a versatile alternative to brand-specific grinding equipment. By choosing Chris-Marine, workshops benefit from long-term reliability, spare parts availability, and proven expertise in fuel system maintenance.
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Technical Specifications
| Electric power supply | 1 phase 200 - 250 V, 48 - 62 Hz |
|---|---|
| Air supply | 1300 l/min 0.6 - 0.9 MPa (6 - 9 bar or 85 - 130 psi) |
| Power requirement | 0.3 kw |
| Noise level | 75 db (A) / 73 dB (C) |
| Air hose connection | 12.5 mm (1/2”) |
| Weight | 320 kg |
| Max dimensions | W: 1224 mm, H: 506 mm |
VPU1600 Fuel Injector Test Unit for 4-Stroke Engines
The Chris-Marine VPU 1600 is a pneumatically driven fuel injector test unit designed for accurate testing of 4-stroke diesel engine injectors. It quickly verifies leakage, opening pressure, and spray pattern, allowing engineers to confirm injector condition before servicing. As a result, operators avoid unnecessary maintenance while saving time and costs. Compared to other fuel injector test rigs, the VPU 1600 delivers faster, more consistent results in demanding workshop environments.
Compatible with Leading Engine Brands
The VPU1600 supports injector testing for major 4-stroke engine manufacturers, including MaK, Bergen Engines, Caterpillar, Deutz, Wärtsilä gensets, and MAN gensets. Therefore, it serves as a versatile alternative to other marine fuel injector testing equipment brands. Its compact and robust design also makes it ideal for workshops with limited space, while still ensuring long-term durability and reliable performance.
Key Features and Customizable Options
The VPU1600 combines ease of use with professional testing accuracy. Engineers can perform tests without specialized training, which improves efficiency. In addition, extensive customization ensures broad injector compatibility.
Key features include:
- Accurate testing of leakage, opening pressure, and spray pattern
- User-friendly operation for fast diagnostics
- Compact, durable construction for daily workshop use
- Full spare parts availability to minimize downtime
Optional configurations:
- Valve holders for 150+ injector types
- Oil mist separator for cleaner and safer operation
- High-precision test fluid
- Trigger box for controlled testing procedures
Lower Costs, Reduced Emissions, and Higher Reliability
Regular fuel injector testing with the VPU1600 improves engine efficiency and sustainability. Consequently, operators reduce fuel consumption, limit emissions, and prevent engine fouling. Moreover, early detection of injector wear lowers downtime and extends engine lifespan. When compared with other injector maintenance tools, the VPU 1600 delivers a stronger return on investment through proactive maintenance.
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Technical Specifications
| Suitable for engines | MaK, Bergen Engines, Caterpillar, Deutz, Wärtsilä gensets, MAN gensets |
|---|---|
| Can be powered by hand? | No |
| Pressure (bar) output@input | 900@5 |
| Air consumption (l/min), depending on output pressure | 1000 |
| Flow (l/min) | 0.55 |
| Hydraulic gauge | Class 1.0 |
| Pneumatic inlet | 1/8" Ø8 |
| Hydraulic outlet | 1/4" BSP female |
| Weight (kg) | 16 |
| Dimensions (L x W x H) | 480 x 290 x 410 |
| Max noise level | 85 dB(A) |
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Reliable Fuel Injector Testing for 4-Stroke Engines
The Chris-Marine VPU 900-3 and VPU 1500-2 fuel injector test rig deliver accurate testing for 4-stroke diesel engine injectors. They measure leakage, opening pressure, and spray pattern, allowing engineers to quickly verify injector condition. As a result, operators avoid unnecessary servicing and reduce maintenance costs. Compared with other fuel injector test rigs, the VPU series combines speed, precision, and ease of use.
User-Friendly Design with Workshop Flexibility
Both VPU models feature a pneumatically driven, analogue design that ensures reliable and repeatable results. Because engineers can perform tests quickly, injector checks no longer require external service facilities. In addition, the compact and robust construction fits perfectly into busy workshops. Full spare parts availability further guarantees long-term reliability, setting the VPU series apart from alternative injector testing equipment brands.
More Than an Fuel Injector Test Rig
The VPU series offers more than standard injector testing. Since the system uses high-pressure hydraulic oil as the test medium, each spray test also performs a cleaning function. Consequently, impurities in spray holes are often removed during testing. Moreover, the pneumatically powered high-pressure pump allows the unit to operate as a fast automatic hydraulic power unit, eliminating manual pumping and improving accuracy when using hydraulic tools.
Options and Advantages Over Competing Brands
To increase versatility, the VPU 900-3 and 1500-2 support multiple optional accessories:
- Valve holders for 150+ injector types
- Oil mist separator for cleaner operation
- High-quality test fluid for precise results
Thanks to these features, the VPU series stands out as a strong alternative to other marine fuel injector maintenance tools, delivering higher efficiency, lower downtime, and improved return on investment.
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Technical Specifications
| VPU 900-3 | VPU 1500-2 | |
|---|---|---|
| Suitable for engines | Wärtsilä and MAN gensets | MaK Caterpillar Deutz |
| Can be powered by hand | No | No |
| Pressure (bar) output@input | 900@8 | 1500@7 |
| 675@5.5 | 900@5 | |
| Air consumption (l/min) (depending on output pressure) | 375 | 1000 |
| Flow (l/min) | 0.45 | 0.55 |
| Hydraulic gauge | Class 1.0 | Class 1.0 |
| Pneumatic inlet | 1/8″ Ø8 | 1/8″ Ø8 |
| Haydraulic outlet | 1/4″ BSP female | 1/4″ BSP female |
| Weight (kg) | 12.2 kg without valve holder | 16 |
| 17.0 kg with valve holder | ||
| Dimensions (L x W x H) | 450 x 250 x 370 mm | 432 x 250 x 425 |
| Max noise level | 85 dB(A) | 85 dB(A) |
Ensure Optimal Fuel Injector Performance with VPUD Fuel injector test rig
The Chris-Marine VPUD fuel injector test rig series guarantees precise testing for 2-stroke and 4-stroke diesel engines, helping operators maintain peak engine efficiency. Regular testing prevents unnecessary fuel consumption, particle emissions, and unplanned downtime. Approved by leading engine designers such as MAN Diesel, Wärtsilä, Rolls Royce, and Caterpillar MAK, the VPUD series sets industry standards for marine and industrial engine maintenance.
Accurate, Reliable Injector Testing Onboard and in Workshops
The VPUD test rigs allow operators to detect leakage, verify spray patterns, and identify early injector wear before it escalates into serious engine problems. Their digital read-out systems, scalable pump technology, and activators for electronically controlled injectors ensure fast, precise adjustments. Adapters for injectors with integrated fuel pumps and systems for combined gas-diesel and common rail injectors further enhance versatility. These capabilities reduce fuel consumption, emissions, and long-term maintenance costs.
Advanced Technology
VPUD test rigs feature scalable pump technology, digital read-out, and support for electronically controlled injectors, pilot valves, and gas-diesel injectors. Optional configurations allow testing of common rail injector systems. VPUD models 1000-4, 1100, and 1100SV are ideal for upgrading maintenance capabilities and avoiding costly injector failures.
Upgrade Your Workshop or Onboard Maintenance Program
VPUD models 1000-4, 1100, and 1100SV provide a high-return investment by minimizing the risk of unexpected engine failures. A single avoided breakdown can save thousands in repair and downtime costs. The rigs support proactive maintenance strategies, enabling shipowners, power plants, and service workshops to maximize engine lifespan and operational reliability.
Advanced Features and Competitive Advantages
VPUD test rigs stand out against other fuel injector maintenance tools thanks to:
- IOP SafeTest technology for MAN Diesel 2-stroke slide-valve injectors
- Scalable pump technology for Wärtsilä 2-stroke injectors
- Air-powered rigs for 4-stroke injectors, offering unmatched opening pressure control
- Activators for electronically controlled injectors and pilot valves
- Compatibility with hundreds of injector types across engine models
By combining precision engineering, global approval, and onboard/offshore usability, the VPUD test rigs outperform competing products from other marine engine maintenance equipment brands.
Technical Specifications
| VPUD 1100 | VPUD 1000 | VPUD 1100 SV | |
|---|---|---|---|
| For MAN slide valves | NO, valve can be damaged | YES | YES |
| If PPMI 1000 is used, can then be used for MAN slide valves | YES | N/A | N/A |
| Suitable for engines | Wärtsilä RND, RTA 48-96 MAN 4-stroke | MAN 2-stroke injectors incl. slide fuel valves excl. gas injectors | Conventional 4-stroke and 2-stroke injectors incl. MAN slide fuel valves |
| Test procedure | Injector prefill | Injector prefill | Injector prefill |
| Opening pressure test | Opening pressure test | Opening pressure test | |
| Nozzle leakage test | Nozzle leakage test | Nozzle leakage test | |
| Manual operation | O-ring sealing test | Venting /Non-return | |
| (for test of 4-stroke engines) | Venting /Non-return | valve test | |
| valve test | O-ring sealing test | ||
| Manual operation | |||
| (for test of 4-stroke engines) | |||
| Pressure (bar) Output@ Input | 0-1100@10, 0-800@7 | 0-1100@10, 0-800@7 | 0-1100@10, 0-800@7 |
| Air consumption (l/min) | 2500-4000 | 2500-4000 | 2500-4000 |
| Depending on output pressure | |||
| Hydraulic gauge | Class 1.0 | Class 1.0 | Class 1.0 |
| Display | Class 0.2 | Class 0.2 | Class 0.2 |
| Pneumatic inlet | 1/2″ BSP claw clutch female | 1/2″ BSP claw clutch female | 1/2″ BSP claw clutch female |
| Hydraulic Outlet | 1/4″ BSP male coupling | 1/4″ BSP male coupling | 1/4″ BSP male coupling |
| Weight (kg) | 90 | 90 | 90 |
| Dimension (LxWxH mm) | 560 x 950 x 1525 | 560 x 950 x 1525 | 560 x 950 x 1525 |
| Electric Power supply | 1-phase 115/230 V AC | 1-phase 115/230 V AC | 1-phase 115/230 V AC |
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Technical Specifications
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For questions, spare parts, or product inquiries of Chris-Marine.
Solutions for 2-Stroke and 4-Stroke Engines
Products for both 2-stroke and 4-stroke diesel and gas engines. For example, the VPUD Fuel Injector Test Rig serves as an effective fuel valve test unit. It features a digital read-out, making it easy to test fuel injectors in both 2-stroke and 4-stroke engines efficiently.
Equipment for 4-Stroke Testing
In addition, we offer equipment for 4-stroke engines. The VPU 700-2/900-2/1500-2 Injector Test Rig thoroughly tests fuel injectors for 4-stroke engines. This rig assesses leakage, opening pressure, and spray pattern, ensuring optimal fuel delivery and engine performance.
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