Critical spare parts engineered for steam turbines, hydraulic accumulators, and heavy industrial power systems.
Empowering Indonesia's rapid industrialization with dependable hydraulic energy storage and accumulator overhaul solutions.
Indonesia stands as the largest economy in Southeast Asia, propelled by intensive resource extraction, heavy manufacturing, metal smelting, and widespread electrical power generation infrastructure. From the vast open-pit coal and nickel mines across Kalimantan and Sulawesi to the sprawling petrochemical, pulp and paper, and steel production clusters in Cilegon, Bekasi, Karawang, and Surabaya, continuous hydraulic power is the lifeblood of primary industry. In these high-demand applications, hydraulic accumulators serve as fundamental dampening, energy reserve, and pressure compensation components within electro-hydraulic control systems (EHC), steam turbine governor units, high-tonnage hydraulic presses, and heavy earthmoving machinery.
Due to the tropical ambient humidity, persistent heat, and continuous duty cycles characteristic of Indonesian industrial plants, elastomeric accumulator bladders, anti-extrusion rings, O-rings, and gas charge valves face accelerated degradation, fatigue, and mechanical wear. Finding a reliable accumulator repair kit factory and sourcing company in Indonesia is essential to avoiding unscheduled turbine trips, hydraulic pressure collapses, and multimillion-rupiah downtime losses. Our high-precision accumulator repair kits are engineered with ultra-resilient Nitrile (NBR), Hydrogenated NBR (HNBR), and Fluorocarbon (FKM / Viton) polymers, custom-formulated to resist mineral lubricants, synthetic esters, and fire-resistant phosphate ester fluids.
Vital for steam turbine trip valves, governor actuators, and boiler control EH systems in major Indonesian facilities like PLTU Suralaya, Paiton, and Tanjung Jati B.
Engineered for extreme vibration and high shock loads on excavators, draglines, crushers, and nickel rotary kiln hydraulic stations across Morowali and Weda Bay.
Providing seamless pressure stabilization and hydraulic accumulator servicing for continuous palm fruit screw presses and automated paper roller hydraulics in Sumatra.
Precise real-time monitoring of rotational speed, linear displacement, and differential pressure ensures total system integrity.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment. Within sophisticated hydraulic accumulator stations and turbine governor modules, advanced sensors work synergistically with accumulator repair components to monitor valve stroke movements, hydraulic line differential pressures, and mechanical vibration levels.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
Sensors are high-precision components for measuring the rotational speed, displacement, and vibration of mechanical equipment.
In-depth working principle, parameters, product features, and heavy industrial applications.
The core technology of linear variable differential transformer DET200A is based on the principle of differential transformer:
1. Structural composition: The sensor consists of a primary coil, two symmetrically distributed secondary coils, and a movable iron core. High-frequency alternating current (usually 1kHz~1.5kHz) is passed into the primary coil to generate an alternating magnetic field.
2. Displacement detection: When the iron core moves axially with the object to be measured (such as the piston of the actuator), the magnetic flux distribution of the secondary coil changes accordingly, resulting in a difference in the induced electromotive force of the two coils. When the core is close to the secondary coil on one side, the output voltage of the coil increases, while that on the other side decreases, forming a differential voltage.
3. Signal output: The differential voltage is linearly related to the displacement of the core. After being processed by the signal conditioning circuit (such as filtering and amplification), a standard analog signal (such as 4-20mA, 0-10V) or a digital signal (such as RS485) is output for real-time monitoring by the control system.
The key technical indicators of DET200A are as follows:
- Range: 0~200mm.
- Linearity: ±0.05%~0.5% (within the full range), high precision is achieved by optimizing the number of coil turns and core length.
- Sensitivity: 2.8~230mV/V/mm, to meet the needs of different working conditions.
- Excitation voltage/frequency: 5~20Vrms AC excitation, frequency range 400Hz~10kHz (typical value is 1kHz or 1.5kHz).
- Operating temperature: -55℃~+180℃, suitable for extreme industrial environments.
- Output signal: supports three-wire analog output, compatible with PLC, DCS and other control systems.
1. High precision and reliability: using metal film material and anti-interference design, the repeatability is up to 0.1%, no drift in long-term use, ensuring measurement stability.
2. Wide dynamic response: small time constant, dynamic frequency up to 200Hz, suitable for fast-changing displacement monitoring.
3. Strong environmental adaptability: fully sealed structure design, high protection level, can work stably under harsh conditions such as high temperature, high humidity, vibration, etc.
4. Convenient installation and maintenance: supports M6/M8 thread installation and aviation socket outlet mode, and the integrated armored design reduces the complexity of on-site wiring.
Linear variable differential transformer DET200A is mainly used in the following scenarios:
- Steam turbine control: monitor key parameters such as actuator stroke, cylinder expansion, valve opening, etc. to ensure the safe operation of the unit.
- Industrial Automation: used for closed-loop control systems such as hydraulic cylinder positioning and robot arm displacement feedback.
- Energy and heavy industry: monitoring of rotating machinery in thermal power, nuclear power, and hydropower stations, as well as displacement detection of steel and chemical equipment.
Your trusted manufacturer, distributor, and engineering partner for power plant spares and hydraulic repair kits.
Dongfang Yoyik (Deyang) Engineering Co., Ltd. founded in 2004, is located in Deyang, Sichuan, heavy industry base of China. YOYIK is manufacturer and trader of industrial products, integrating design, R & D, production, sales and service. The team has more than 20 professional technicians and experienced sales to provide you with professional, reliable and considerate services.
Spare parts expert in power industry since 2004
One-step service for industrial traders and users
Over 3000 types of spare parts at your choice
Experienced engineers & intellectual property patents
High-tech production and professional testing devices
We have a rich supply chain that can be customized for your contact, ensuring smooth logistics to Indonesia.
With nearly 20 years of industry experience, our company has enough capabilities and resources to help you find exactly the products you need and buy the right products that customers want at the lowest cost. Relieve the user's worries in use.
If you want to know more about a manufacturer, you can tell us that we can provide factory inspection services. Evaluate the manufacturer's ability fairly and remove your doubts.
We can effectively control the whole process of production, which can ensure that the quality of the final products is completely in line with or even higher than the standard. You can handle over the goods to your customer at ease, and the user can use it with confidence.
Our company has many years of experience in importing and exporting, and maintains good cooperation with international express companies such as DHL, FEDEX, TNT, as well as sea shipping and air cargo agencies to deliver smoothly to Port of Tanjung Priok and Tanjung Perak.
Essential technical articles on EH control systems, solenoid valve cartridge installation, and sensors.
A servo valve is one of the least forgiving components in a turbine's EH control system. Strict hydraulic flushing protocols and particle filtration prevent catastrophic contamination failure.
Turbine oil systems don't forgive sloppy installation work. Proper torque sequences and seal seat alignments ensure zero cross-port leakage during critical trip operations.
TD series displacement sensors convert mechanical measurement of linear movement into electrical power. Through this principle, sensors measure and control displacement automatically.
Expert answers regarding hydraulic accumulator overhaul kits, sensor sheaths, and maintenance best practices.
The sheath of thermal resistance WZPM2-001 can fill up deep holes when installing the thermal resistance. The sheath length is determined by the hole depth. It can also save cost by using sheath rather than thermal resistance probe.
For standard mineral oil hydraulic circuits operating under 80°C, Standard Nitrile (NBR) rubber is highly effective. However, for steam turbine fire-resistant phosphate ester fluids (EH oil) and high-temperature environments common in Indonesian boiler rooms and steel rolling mills, Fluorocarbon (FKM / Viton) or Butyl bladders must be specified to prevent premature chemical softening or hardening.
A full accumulator rebuild kit generally contains a high-tensile rubber bladder (or piston seal set), anti-extrusion ring, sealing O-rings, PTFE back-up rings, gas valve core, gas valve cap, bleed screw, and fluid port retaining washers.
In continuous heavy-duty environments such as mining excavators or coal power stations, nitrogen pre-charge pressure should be checked within the first week of replacement and then monitored monthly using an approved nitrogen charging and testing kit.
Explore our complete inventory of industrial seals, solenoid valves, filtration elements, and diagnostic sensors.