BSG
Green Hydraulic
BSG
Yes
ISO9001,CE
1 set
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Product Description
BSG Pressure Valve is solenoid‑controlled pilot‑operated relief valve with sub‑plate mounting. It integrates pilot relief valve and solenoid directional valve into one unit, eliminating intermediate piping. It performs system pressure setting, overload protection and electric unloading. Multi‑stage pressure control can be realized by connecting external pilot valves. Stable pressure output and low noise performance make it ideal for automated industrial hydraulic systems.
Integrated combined structure, no intermediate piping, saves installation space.
Sub‑plate mounting conforms to ISO standard for easy assembly and replacement.
Supports electric unloading and multi‑stage pressure control for energy‑saving operation.
Precision pilot structure ensures stable pressure, low vibration and low working noise.
Multiple pressure‑range options and various solenoid voltage selections available.
Hardened internal components for long service life under continuous working conditions.
Specifications
Valve Type: Solenoid‑controlled pilot‑operated relief valve
Size code: BSG‑03, BSG‑06, BSG‑10
Max. working pressure: 250 bar
Pressure adjustment ranges: 10‑70 bar, 35‑140 bar, 70‑250 bar
Max. flow rate: BSG‑03:100 L/min; BSG‑06:200 L/min; BSG‑10:400 L/min
Mounting: ISO standard sub‑plate mounting, dedicated mounting plate required
Unloading pressure: ≤ 3 bar
Solenoid voltage options: DC12V, DC24V, AC110V, AC220V
Coil power: Standard 29W / Low‑power 5W
Protection class: IP65
Insulation class: Class F
Response time: ≤ 40 ms
Working fluid: Mineral hydraulic oil (ISO VG32‑VG68); special seals for alternative media available
Viscosity range: 10‑400 mm²/s
Fluid temperature: ‑20℃ ~ +70℃
Fluid cleanliness: ISO 4406 20/18/15
Weight: BSG‑03 ≈6.2kg; BSG‑06≈7.3kg; BSG‑10≈12.8kg
Applications
BSG Pressure Valve is a solenoid‑controlled pilot‑operated relief valve for hydraulic pressure regulation, overload protection and electric unloading.
It can realize multi‑stage pressure switching for hydraulic systems.
It is widely used in injection molding machines, die‑casting machines and various machine‑tool hydraulic power units.
It is suitable for press equipment, automated industrial machinery and medium‑high pressure hydraulic circuits requiring automatic unloading function.

Factory&FAQ
BSG pressure valve are typically packaged securely to prevent damage during transit. The packaging includes:
Protective Wrapping: To safeguard the pump from environmental damage.
Custom Crates: For larger, heavier pumps, ensuring safe handling.
Documentation: Includes installation, maintenance instructions, and warranty details.
Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.
1. What is the BSG pressure valve ?
BSG pressure valve is a solenoid‑controlled pilot‑operated relief valve with sub‑plate mounting. It integrates pilot relief valve and solenoid directional valve as one assembly without intermediate piping. It performs system pressure setting, overload protection and electric unloading function. Multi‑stage pressure control can be achieved by connecting external pilot valves for industrial hydraulic systems.
2. What makes the BSG pressure valve ?
It adopts integrated combined structure of pilot‑operated relief valve and solenoid valve without intermediate piping. ISO‑standard sub‑plate mounting enables easy installation and replacement. It supports electric unloading and multi‑stage pressure control for energy‑saving operation. Optimized pilot structure delivers stable pressure output, low vibration and low noise performance. Multiple pressure ranges and various solenoid voltage options are available for different working conditions. Hardened internal components ensure reliable long‑term continuous operation.
3. What is the working pressure range of BSG pressure valve ?
Its maximum working pressure is 250 bar. Three adjustable pressure ranges are optional: 10‑70 bar, 35‑140 bar, 70‑250 bar. Please select the appropriate pressure grade according to your actual hydraulic system requirements.
4. Can BSG pressure valve replace other brands?
BSG pressure valve follows standard sub‑plate mounting dimensions, it is interchangeable with most mainstream solenoid‑controlled pilot relief valves of other brands. Before replacement, please verify key parameters including working pressure, flow capacity, solenoid voltage and valve function code. Customized solutions are available for special system requirements.
5. What is the Response / Switching frequency of BSG pressure valve ?
Typical pressure‑switching response time ranges from 30‑80 ms for unloading and pressure‑building operation. It is designed for pressure setting, overload protection and periodic unloading, not for high‑frequency rapid cyclic switching. Recommended maximum practical switching frequency is 1‑2 cycles per second. Actual performance will be affected by oil viscosity, system flow and manifold volume. Frequent fast pressure cycling may cause pressure oscillation and shorten service life.
6. Do you provide OEM or customized services?
Yes, we provide OEM and customized services for BSG pressure valve. Customizable items include pressure grades, seal materials, solenoid voltage and special port requirements. Please offer detailed specifications or drawings for accurate quotation.
7. How can I get a quotation quickly
Please provide the following details:
Model or displacement
Working pressure
Speed
Quantity
We will reply within 12 hours with a competitive quotation.
BSG pressure valve are manufactured in compliance with international standards, ensuring high performance and reliability:
ISO 9001: Certified for quality management systems.
CE Certification: Ensures compliance with European safety, health, and environmental protection standards.
RoHS Compliance: Ensures the pump does not contain hazardous materials.
Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.
1.What's our advantages?
Factory established in 2005;
With a great deal of production experience;
80+ employees become the professional team;
Constant updated ERP system ensure efficiency of work;
Sophisticated equipment ehanced the accuracy of products;
Professional salesmen provide the greast service;
With a large number of famous customers all over the world;
Great after-sales service;
With the long term cooperation with famous logistics and express company in China,provide the better goods service.
Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.
Of course we can. Just send me your logo we can make it for you.
America(40.5%):USA, Canada, Argentina, Brazil
Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.
Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.
Others(5.8%).
The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.
The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.
