Knowledge about MODULAR PIPEWORK SYSTEMS

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on September 14, 2025

Pipework systems are the lifelines of modern production plants. They transport raw materials and products, convey exhaust air and extract dust. The applications are as diverse as the spatial requirements. This means that each pipework system is unique.

The modular system developed by JACOB combines easy assembly with numerous options for creating customised designs. This is how we achieve the right solution for every challenge. The idea originated around 100 years ago. As an alternative to manufacturing pipe systems individually and welding them together, our technicians and engineers developed a modular system made up of standard parts. With seals and pull-rings, the pipe components can be quickly assembled and disassembled. For the user this means: calculable project costs, outstanding product quality, quick installation, and short downtimes for maintenance work.
With more than 8,500 different standard products, our range covers practically all requirements. Customer-specific solutions are created by our experts in the customised production department. In combination with our advisory expertise, this makes us your one-stop shop for your complete pipework system. And on an international level too: with our subsidiaries in Europe and North America, 40 offices worldwide and eight warehouses around the globe, we are always close to hand.

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Typical Pressure-Reducing Station: Components, Functions, and Purpose

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on September 21, 2025

This diagram shows a typical pressure-reducing station used in piping systems, especially in steam or gas lines. Each part plays a specific role to control pressure, ensure safety, and maintain steady flow..

1. inlet
This is where high-pressure fluid enters the system.
2. strainer
Removes dirt, rust, or solid particles from the fluid. This protects downstream equipment and prevents clogging or damage to valves.
3. lpd (low point drain)
Located at the lowest part of the line, it drains condensate or fluid. Used during maintenance or startup.
4. pressure gauge (upstream)
Measures the pressure before the reducing valve. Used to monitor and ensure inlet pressure is correct.
5. isolation valve (before prv)
Used to manually stop flow for maintenance or emergency shutdown. Usually a gate or ball valve.
6. pressure reducing valve (prv)
Main control valve that reduces high inlet pressure to a lower set outlet pressure. Works automatically based on pressure settings.
7. isolation valve (after prv)
Allows isolation of the prv from the rest of the system. Helpful during repair or when using the bypass line.
8. pressure gauge (downstream)
Shows the pressure after reduction. Helps verify the prv is working correctly.
9. pressure relief safety valve
Protects the system by automatically releasing pressure if it becomes too high. Prevents damage to downstream piping and equipment.
10. isolation valve (safety line)
Lets you isolate the safety valve for maintenance. Usually locked open during normal use.
11. outlet
The end of the system where the regulated pressure fluid exits to downstream users or equipment.
bypass line section:
12. bypass line
An alternate path to keep flow going when the prv is under maintenance. Used for temporary operations.
13. bypass valve
Manually operated. Allows flow through the bypass line but doesn’t reduce pressure. Used only when needed.
purpose of this setup:
– reduces pressure safely and automatically
– protects downstream parts from high pressure
– allows for continuous operation even during maintenance
– ensures safe, efficient flow in steam, gas, or fluid systems
Commonly used in steam plants, refineries, chemical processing, and utility services.

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Understanding Different Types of Industrial Valves

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on September 14, 2025

In every plant – whether Oil & Gas, Chemicals, Pharma, or Utilities – valves are the gatekeepers of flow.

Yet many engineers and purchasers often ask: “Which valve is right for my application?”
Here’s a simple breakdown
1. Ball Valve
a. Quick 90° operation
b. Best for on/off control
c. Leak-tight shutoff
d. Widely used in oil, gas & chemicals
2. Gate Valve
a. Designed for full open/full close
b. Minimal pressure drop
c. Not ideal for throttling
d. Used in water, steam, pipelines
3. Globe Valve
a. Precise flow control
b. Higher pressure drop
c. Excellent for throttling
d. Common in process industries

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Understanding Different Types of Impellers Pumps

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on September 07, 2025

Open vs. Semi-Open vs. Closed Impellers – What’s the Difference?

In pump design, the type of impeller you choose directly impacts performance, maintenance, and longevity. Here’s a quick breakdown:
Open Impeller
Simple design – vanes attached to a central hub without sidewalls
Easier to clean & maintain
Best for handling solids or fibrous materials
▲ Lower efficiency & more wear; not ideal for high-pressure systems
Semi-Open Impeller
Vanes have a partial shroud on one side
Handles small solids while offering better efficiency than open types
Easier to manufacture & maintain
▲ Requires tighter clearance for performance – may need frequent adjustment
* Closed Impeller
Vanes are fully enclosed between two shrouds
Highest efficiency ideal for clean, low-viscosity fluids
Suitable for high-pressure systems
▲ Less tolerant to solids; more difficult to clean or inspect
▲ Typically requires tighter manufacturing tolerances.

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PC Project – Thermal Power Plant Wastewater Pumping System

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on April 10, 2025

KTH International JSC has successfully completed the supply and installation of the wastewater pumping system for a 1,200 MW thermal power plant located in Binh Thuan Province, Vietnam.

 

Horizontal Shaft Pump (Q = 106 m³/h, P = 90 kW / 125 HP, H = 111 m, 3-phase 380V):
• Quatity: 02 sets
• Power: 90 kW / 125 HP
• Maximum Flow Rate: 144 m³/h
• Maximum Head: 130 m
(Operating point as required: Q = 106 m³/h ~ H = 111 m)
• Suction/Discharge Diameter: 80 / 65 mm
• Material:
– Pump Casing: Cast iron with anti-corrosion coating
– Impeller: Stainless Steel SS304
– Shaft: #45 Steel with chrome plating
• Shaft Sealing: Mechanical Seal (Carbon–SiC–NBR)
• Motor: YE3 type, IP55, insulation class F; 3-phase, 380V / 50Hz; speed 2900 rpm

Horizontal Shaft Pump (Q = 45 m³/h, P = 45 kW, 3-phase 380V):
• Quantity: 02 sets
• Power: 45 kW / 75 HP
• Suction/Discharge Diameter: 65 / 50 mm
• Material:
– Pump Casing: Cast iron with anti-corrosion coating
– Impeller: Stainless Steel SS304
– Shaft: #45 Steel with chrome plating
• Shaft Sealing: Mechanical Seal (Carbon–SiC–NBR)
• Motor: YE3 type, IP55, insulation class F; 3-phase, 380V / 50Hz; speed 2900 rpm

Over USD 40 Billion Awaiting in Vietnam’s LNG Power Projects

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on September 29, 2025 | 🔗 Source: https://cafef.vn/

Vietnam’s Power Development Plan VIII outlines an ambitious roadmap for energy security and green growth, with a significant focus on LNG power generation…

 

The plan envisions over 36,500 MW of LNG power capacity, nearly half of the country’s current installed capacity, and requires an estimated investment of more than USD 40 billion. These projects are expected to attract capital from global energy giants as well as leading domestic enterprises.


So far, the most notable progress has been made at Nhon Trach 3 and 4 power plants (1,624 MW, USD 1.4 billion), developed by PV Power. After extensive efforts, both plants have successfully synchronized with the national grid and are undergoing trial operations, with commercial operation scheduled for 2025.


However, PV Power also faces challenges at the Quang Ninh LNG project (1,500 MW, USD 2.2 billion). Despite partnering with seasoned Japanese companies Tokyo Gas and Marubeni, along with domestic player Colavi, the project has encountered significant delays due to land clearance issues.


Meanwhile, Vietnam Electricity (EVN) is responsible for the Quang Trach project cluster in Quang Binh. The Quang Trach I plant (1,403 MW, VND 42,000 billion), converted from coal to LNG, has made promising progress by successfully conducting the first oil-firing test of boiler Unit 1. In contrast, Quang Trach II (1,500 MW, VND 52,490 billion) remains in its early stage, with EPC bidding for a package worth over VND 26,000 billion still underway.

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KTH INTL., JSC Supplies Line/Load Reactors to Steel Plant

Ethan Nguyen | ✉ sales.kthjsc@gmail.com | 📱 +84 986 919 802

Posted on September 12, 2025

KTH INTL., JSC, a strategic partner of Sercon Electro Systems Pvt. Ltd., a company primarily focusing on the manufacturing of dry-type transformers, has successfully completed the supply of Line/Load Reactors for a steel manufacturing plant..

Our scope of work included on-site surveys to assess the condition of existing equipment, selecting suitable reactors, importing the products, and providing comprehensive technical support for installation, configuration, repairs, and commissioning.
The Line/Load Reactors supplied by Sercon and provided through KTH INTL., JSC have been highly appreciated by our client for their superior quality, timely delivery, and excellent after-sales services.
This project reflects KTH INTL., JSC’s commitment to delivering reliable electrical solutions and comprehensive technical support, ensuring stable and efficient operation of industrial plants.

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KTH INTL.,JSC Completes Cyclone System Survey at Aluminum Plant

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on September 06, 2025

KTH INTL., JSC has successfully completed a comprehensive survey of the Cyclone system at the Aluminum Plant. The Cyclone plays a critical role in classifying particle sizes of the slurry after grinding to ensure product quality.

The main objective of this survey was to evaluate the current condition of the Cyclone system, identify any damages, and analyze their root causes. Based on these findings, KTH INTL., JSC developed recommendations for repairs and improvements aimed at optimizing particle size classification, supporting smooth plant operations, maintaining compliance with technological standards, extending equipment lifespan, and ensuring stable production processes.
This achievement reflects KTH INTL., JSC’s commitment to delivering high-quality technical solutions and continuous improvement in industrial operations, reinforcing the efficiency and reliability of the Aluminum Plant.

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O Mon IV Thermal Power Plant in Can Tho Province, Vietnam

David Nguyen | ✉ ceo.kthjsc@gmail.com | 📱 +84 386 386 897

Posted on August 19, 2025

On August 19, 2025, Petrovietnam will officially start construction of the O Mon IV Thermal Power Plant at the O Mon Power Center, Can Tho, with a total investment of over VND 29,926 billion (~USD 1.3 billion).

As the “critical link” in the Block B – O Mon Gas-to-Power Chain (total investment nearly USD 12 billion), O Mon IV will feature state-of-the-art combined-cycle gas turbine technology, delivering a designed capacity of 1,155 MW with high efficiency and lower emissions.
The project is developed by Petrovietnam and executed by a consortium of Doosan Enerbility Co., Ltd. (Korea) and Power Engineering Consulting JSC 2 – PECC2 (Vietnam).
Commissioning is scheduled for December 2028, in line with the arrival of Block B gas. Once operational, Petrovietnam’s managed capacity will exceed 9,300 MW, representing around 10% of Vietnam’s national power system.
The Block B – O Mon chain includes offshore gas development, the Block B – O Mon pipeline, and four power plants (O Mon I–IV) with a total installed capacity of 3,800 MW, playing a pivotal role in Vietnam’s energy security.

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We are always looking for talented and passionate people to join our team.
If you are interested in applying for a position at KTH International Joint Stock Company, please send us your application via email or contact us directly by phone.

📧 Email: ceo.kthjsc@gmail.com

📞 Phone: +84 386 386 897

💡 Don’t forget to include your updated CV and a short cover letter so we can understand your skills and career goals better.

We look forward to welcoming you to our team!