Agung Jelantik

Agung Jelantik Power Generation, Turbomachinery & Rotating Equipment Services

Professional and Skilled (work performance) in workshop repair & Fabrication, construction, installation & erection, on-site repair and field Services on rotating equipment such as: Gas Turbine, Steam Turbine, Centrifugal Pump, Centrifugal Compressor and other Turbo-machinery Parts & Components.

30++ Years experiences.

Long-Term Service Agreement (LTSA): Building Reliability, Creating Long-Term ValueA Long-Term Service Agreement (LTSA) i...
28/07/2026

Long-Term Service Agreement (LTSA): Building Reliability, Creating Long-Term Value

A Long-Term Service Agreement (LTSA) is more than a maintenance contract; it is a strategic partnership designed to maximize the reliability, availability and lifecycle performance of power generation assets.

At PT JAPA, we believe that every outage is an opportunity to improve plant performance. Through structured planning, disciplined ex*****on, and strong technical collaboration, we help power plant owners transform maintenance activities into long-term operational value.

Our integrated project management approach ensures that every phase of an LTSA is executed efficiently; from engineering preparation and outage planning to inspection, overhaul, commissioning and post-outage performance evaluation.

Benefits of an LTSA Program:

✔ Higher equipment reliability and availability
✔ Reduced forced outages and operational risks
✔ Predictable maintenance costs and optimized budgeting
✔ Improved plant efficiency and equipment performance
✔ Extended service life of critical rotating equipment
✔ Faster outage ex*****on with minimized downtime
✔ Continuous technical support and knowledge sharing
✔ Enhanced safety, quality, and regulatory compliance

JAPA's Project Management Capabilities:

An effective LTSA requires more than technical expertise—it demands strong project leadership.

PT JAPA provides comprehensive project management supported by experienced professionals in:

• Turbomachinery Maintenance & Overhaul
• Steam Turbine, Gas Turbine & Generator Services
• Rotating Equipment Repair & Reliability Improvement
• Inspection, NDT & Condition Assessment
• Reverse Engineering & Component Manufacturing
• Onsite Machining & Field Services
• Planning, Scheduling & Resource Coordination
• Quality Assurance / Quality Control
• HSE Management
• Performance Testing & Technical Documentation

By integrating engineering excellence with disciplined project ex*****on, we ensure every project is delivered safely, on schedule, and in accordance with international quality standards.

Our Commitment

At PT JAPA, we do not simply maintain equipment—we build long-term partnerships that enhance plant reliability, operational excellence, and sustainable business performance.

Reliable Assets. Efficient Outages. Lasting Partnerships.

Agung Jelantik

"Strategic Partnership in Turbomachinery Maintenance, Onsite Machining and Reverse Engineering to Improve Power Plant Re...
14/07/2026

"Strategic Partnership in Turbomachinery Maintenance, Onsite Machining and Reverse Engineering to Improve Power Plant Reliability"

In today's power generation industry, achieving high reliability is no longer just about maintaining equipment: it is about building strong partnerships that create long-term operational value.

At PT JAPA INDOTAMA, we believe that the most successful maintenance projects begin with collaboration. By working closely with power plant owners, operators, and stakeholders, we develop engineering solutions that enhance equipment performance, minimize downtime and maximize asset life.

Our expertise covers:

👍 Turbomachinery Maintenance & Overhaul
👍 Onsite Machining Services with Portable Precision Equipment
👍 Reverse Engineering for Critical Components
👍 Precision Manufacturing & Component Repair
👍 Inspection & Non-Destructive Testing (NDT)
👍 Field Engineering & Technical Support

Through strategic partnerships, we help power plants overcome technical challenges that cannot always be solved by standard maintenance practices.

Whether restoring critical turbine components, performing high-precision onsite machining, or manufacturing obsolete parts through reverse engineering, our objective remains the same:
"keeping power plants operating safely, efficiently, and reliably"

We believe that engineering excellence is built on trust, technical competence, and a shared commitment to operational excellence.

As the energy sector continues to evolve, PT JAPA INDOTAMA remains committed to becoming a trusted engineering partner, delivering innovative maintenance solutions that support sustainable and reliable power generation.

Together, we don't just maintain machines: we strengthen the reliability of the energy that powers industries and communities.

Why the compressor blading have coating? Compressor blades in a gas turbine rotor are coated to improve their durability...
10/07/2026

Why the compressor blading have coating?

Compressor blades in a gas turbine rotor are coated to improve their durability, efficiency and reliability.
The coating is not primarily for high-temperature protection (as in turbine blades), but to protect the compressor from wear and environmental damage.

The main reasons are:
1. Corrosion protection – Compressor blades are exposed to moisture, salt (especially offshore or coastal plants), industrial pollutants, and chemicals. Coatings help prevent corrosion and pitting.

2. Erosion resistance – Dust, sand, and other airborne particles can erode the leading edges of compressor blades. Hard coatings reduce material loss and maintain the blade's aerodynamic profile.

3. Wear and fretting protection – Blade roots and dovetail connections experience micro-movements during operation.

4. Coatings reduce fretting wear and prevent surface damage.
Improved compressor efficiency – By maintaining a smooth surface finish and blade geometry, coatings help preserve aerodynamic performance, reducing compressor efficiency losses over time.

5. Extended service life – Coatings reduce the need for repairs or blade replacement, lowering maintenance costs and increasing component life.

=========

Gas Turbine Major Overhaul :

Commitment to Reliability & Excellence
Every successful major overhaul is built on meticulous planning, technical expertise and unwavering commitment to quality.

At JAPA, we are proud to support our clients in executing Gas Turbine Major Overhaul activities with the highest standards of safety, precision and engineering excellence.

Every inspection, measurement and maintenance task is performed with one objective: maximizing equipment reliability and ensuring long-term operational performance.

Our experienced team is dedicated to delivering dependable solutions that help power plants achieve greater availability, efficiency and sustainable operation.

Because behind every reliable turbine is a team that never compromises on quality.

Engineering Excellence.
Reliable Performance.
Trusted Partnership.



Shource : Agung Jelantik

01/03/2026

Beyond Services
Beyond Projects

01/03/2026

At PT JAPA INDOTAMA,
we deliver more than ex*****on: we build long-term technical partnerships that ensure reliability, performance and lifecycle value for steam turbines, gas turbine, compressors, pumps and others rotating equipment's assets.

With decades of combined field experience, our focus is clear: engineering excellence, measurable results and sustainable industrial growth.

PT JAPA INDOTAMA
Trusted Partner for Reliable Performance.

A Deeper Look Into Onsite CRI Ex*****onPrecision is not just a goal, but it's a discipline.At PT JAPA INDOTAMA, our comm...
22/02/2026

A Deeper Look Into Onsite CRI Ex*****on

Precision is not just a goal, but it's a discipline.
At PT JAPA INDOTAMA, our commitment to delivering high-quality engineering services takes center stage through our Comprehensive Rotor Inspection (CRI) carried out directly at the client’s site.

In addition, this CRI process is essential not only for operating rotors, but also for legacy spare rotors that have been stored or unused for long periods. Before installation, these spare rotors must undergo thorough inspection to validate their integrity, dimensional accuracy, and readiness for safe operation. Without proper CRI, deploying a spare rotor carries substantial technical and operational risks.

This onsite ex*****on allows us to dismantle, inspect, measure, and analyze every critical rotor component without transporting the equipment to a workshop. By applying advanced metrology, NDT methods and precision balancing techniques, we ensure each critical parameter meets the strictest operational standards.
What makes our CRI approach exceptional?

=> Minimal Downtime: No need for lengthy logistical processes or rotor transportation.
=> Accuracy at Scale: Our inspection tools and methodology are aligned with OEM-level requirements.
=> Real-Time Engineering Decisions: Findings and corrective actions are executed immediately onsite.
=> Proven Expertise: Delivered by experienced engineers with specialized competencies in turbine, generator and other rotating assets.

The result?
A reliable, optimized rotor system ready to operate with enhanced performance, safety and lifecycle value.

As industries move toward smarter and more efficient maintenance philosophies, onsite CRI is becoming a strategic enabler and transforming inspection work into measurable operational outcomes.

PT JAPA INDOTAMA continues to elevate engineering excellence.

In the power generation industry, re-blading is not merely a blade replacement; it is a high-precision activity that res...
22/02/2026

In the power generation industry, re-blading is not merely a blade replacement; it is a high-precision activity that restores turbine performance, efficiency and long-term reliability. This is especially critical for Geothermal Steam Turbines, where steam chemistry, corrosion, erosion and silica scaling create far more demanding operating conditions.

PT JAPA INDOTAMA delivers comprehensive Steam Turbine Re-Blading services covering:
- Controlled dismantling and blade removal procedures
- Root inspection (T-root / Fir-tree) using advanced NDT methods
- Cleaning and surface preparation from silica deposits and corrosion typical in geothermal units
- Dimensional verification and tolerance control
- New blade installation with precise clearance and tip setting
- Peening, locking, and final torquing in accordance with OEM standards
- Rotor run-out checking, dynamic balancing and final alignment

We fully understand that in Geothermal Steam Turbines, the challenges are not only mechanical but also include:
- Erosion and corrosion due to steam carry-over
- Heavy scaling on blades and diaphragms
- Thermal deformation caused by high moisture content and temperature variations

With experienced manpower, structured work procedures and precision field equipment, PT JAPA INDOTAMA ensures every re-blading activity is executed on-spec, within tolerance and on schedule.

For us, successful re-blading means more than installing new blades; it means restoring turbine performance, improving efficiency and securing long-term operational reliability.

PT JAPA INDOTAMA – Your Trusted Partner for Steam & Geothermal Turbine Services.

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