DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve
The DB(W) series pilot-operated pressure relief hydraulic valve is a high-performance component that provides precise and reliable pressure control in hydraulic systems. With its advanced pilot-operated design and exceptional functionality, this valve ensures efficient and safe operation by regulating system pressure within desired limits.
The DB(W) series pilot-operated pressure relief hydraulic valve is a high-performance solution for precise pressure control in hydraulic systems. With its pilot-operated design, pressure control accuracy, wide pressure range, and fast response time, this valve ensures efficient and safe operation while protecting system components. Following the recommended usage methods and maintenance practices, the DB(W) series valve delivers reliable performance, extending the lifespan of hydraulic systems. Upgrade your hydraulic system with the DB(W) series pilot-operated pressure relief hydraulic valve and experience optimal pressure control for enhanced system efficiency and productivity.
DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve Key Characteristics:
- Desain yang Dioperasikan Pilot:
- The DB(W) series valve features a pilot-operated design, allowing it to deliver precise pressure control in hydraulic systems.
- It utilizes a control pilot to modulate the main valve, providing accurate and responsive pressure relief.
- Pressure Control Accuracy:
- This valve offers exceptional pressure control accuracy, ensuring the hydraulic system operates within desired pressure limits.
- It maintains consistent pressure levels, preventing over-pressurization and protecting system components.
- Rentang Tekanan Lebar:
- The DB(W) series valve provides a wide pressure control range, making it suitable for various hydraulic applications.
- Memungkinkan penyesuaian untuk mencocokkan persyaratan sistem tertentu dan mengoptimalkan kinerja.
- Waktu Respon Cepat:
- With its pilot-operated mechanism, the DB(W) series valve exhibits a rapid response time to changes in pressure.
- It swiftly adjusts the flow path to relieve excess pressure, ensuring stable and reliable system operation.
DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve Parameter:
| NS | 6 | 10 | ||
| Cairan | Oli mineral cocok untuk seal NBR dan FKM | |||
| Ester fosfat untuk segel FKM | ||||
| Kisaran suhu fluida | ℃ | -30 hingga +80 (segel NBR) | ||
| -20 hingga +80 (segel FKM) | ||||
| Kisaran viskositas | mm2/S | 10 hingga 800 | ||
| Tingkat kontaminasi | Tingkat kontaminasi cairan maksimum yang diizinkan: Kelas 9. NAS 1638 atau 20/18/15, ISO4406 | |||
| Tekanan operasi maks. | batang | 315 | ||
| Max. adjustable pressure | batang | 50; 100; 200; 315 | ||
| Laju aliran maks. | L/menit | to 60 | to 100 | |
| Berat | kg | about 0.22 | about 0.3 | |
DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve Advantages:
• Plug-in structure
• Empat rentang tekanan
• Dua jenis penyesuaian: kenop, sekrup penyesuaian dengan tutup pelindung
Usage Method Of DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve:
- Analisis Sistem:
- Lakukan analisis sistem hidrolik yang komprehensif untuk menentukan persyaratan kontrol tekanan spesifik.
- Pertimbangkan tekanan operasi maksimum, rentang tekanan yang diinginkan, dan laju aliran.
- Pemilihan Katup:
- Select the appropriate DB(W) series valve variant based on the system’s pressure control specifications.
- Pertimbangkan peringkat tekanan, kapasitas aliran, dan kompatibilitas dengan komponen sistem lainnya.
- Instalasi:
- Follow the manufacturer’s instructions to correctly install the DB(W) series pilot operated pressure relief valve in the hydraulic system.
- Pastikan penyelarasan yang tepat dan sambungan yang aman untuk mencegah kebocoran dan mengoptimalkan kinerja.
- Penyesuaian Tekanan:
- Adjust the valve’s control pilot to set the desired pressure relief level.
- Refer to the valve’s technical documentation for guidance on accurately adjusting the pilot pressure.
How Does A Hydraulic Pressure Relief Valve Work?
A hydraulic pressure relief valve, or a pressure relief valve or safety valve, is a crucial component in hydraulic systems. Its primary function is to protect the system from overpressure by releasing excess fluid when the pressure exceeds a predetermined limit. Let’s explore how a hydraulic pressure relief valve works:
- Operasi Katup:
- A hydraulic pressure relief valve typically consists of a valve body, a spring-loaded control element, and an adjustable spring.
- The valve body contains an inlet port, an outlet port, and a control chamber connected to the spring-loaded control element.
- Pengaturan Tekanan:
- The pressure relief valve is pre-set or adjustable to a specific pressure level.
- The pressure setting determines the threshold at which the valve opens to relieve excess pressure.
- Pemantauan Tekanan:
- The pressure is monitored continuously when hydraulic fluid enters the valve through the inlet port.
- If the pressure exceeds the pre-set limit, the control element is activated to relieve the excess stress.
- Control Element Activation:
- The control element, often a spring-loaded poppet or spool, responds to the excessive pressure.
- As the pressure rises beyond the set point, the force exerted on the control element exceeds the opposing party of the spring.
- Opening of the Valve:
- When the force on the control element exceeds the spring force, the valve opens, creating a path for fluid to bypass the main flow path.
- The excess fluid flows through the valve and exits via the outlet port, relieving the pressure in the system.
- Pressure Reduction:
- As the excess fluid is diverted through the relief valve, the pressure in the system decreases.
- The valve remains open until the pressure drops below the pre-set limit.
- Stabilisasi Tekanan:
- Once the pressure decreases below the setpoint, the control element returns to its original position, closing the valve.
- The hydraulic system resumes regular operation, with the pressure controlled within the desired range.
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