YUKEN Hydraulic valve
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YUKEN Valve Specifications and Models
1. Overview
2. Main Valve Series: Models and Naming Rules
2.1 Pilot-Operated Relief Valves (BT/BG Series)
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F: Special seal for phosphate ester fluids (omitted if not required).
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B: Pilot-operated relief valve (valve type identifier).
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T: Threaded connection; G: Sub-plate mounting (mounting type).
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XX (first group): Valve size (03, 04, 06, 10 correspond to nominal diameters of 10mm, 12mm, 16mm, 25mm respectively).
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X (middle): Plunger type (e.g., P for pull type).
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XX (last group): Design number or high venting pressure feature (e.g., V for high venting pressure, omitted if not required).
2.2 Proportional Flow Control Valves (EFBG Series)
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EFBG: Series identifier for proportional flow control valves.
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XX: Valve size (03 corresponds to 10mm nominal diameter).
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XXX: Maximum flow rate (e.g., 125 indicates 125 L/min).
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X: Series variant (C for standard pressure range, H for extended pressure range).
2.3 Modular Throttle Valves (MSP/MSB Series)
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MSP/MSB: Series identifier for modular throttle valves (MSP for standard type, MSB for check throttle type).
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XX: Valve size (01, 03 correspond to nominal diameters of 6mm, 10mm respectively).
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X: Flow control feature or material (e.g., X for standard, Y for special design).
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XX: Pressure等级 or design code (e.g., 40, 50 indicate pressure ratings).
2.4 Check Valves and Throttle Check Valves (Z2FS/CPDG Series)
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Z2FS: Series identifier for double throttle check valves.
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XX: Valve size (6, 10, 16, 22 correspond to nominal diameters of 6mm, 10mm, 16mm, 22mm respectively).
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X: Flow control mode (e.g., 2, 3, 5 for different throttle configurations).
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XX/X: Design code or seal type (e.g., 3X/V for standard seal).
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CPDG: Series identifier for right-angle check valves.
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XX: Valve size (03, 06, 10 correspond to nominal diameters of 10mm, 16mm, 25mm respectively).
3. Key Specifications
3.1 Pilot-Operated Relief Valves (BT/BG Series)
|
Model
|
Max. Operating Pressure (MPa)
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Pressure Adjustment Range (MPa)
|
Max. Flow Rate (L/min)
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Mounting Type
|
|---|---|---|---|---|
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BG-03-※-32
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25
|
2.5~25
|
100
|
Sub-plate
|
|
BT-04-※-10
|
25
|
8~25
|
200
|
Threaded
|
|
BG-10-※-32
|
25
|
2.5~25
|
400
|
Sub-plate
|
3.2 Proportional Flow Control Valves (EFBG-03-125 Series)
|
Model
|
Max. Operating Pressure (MPa)
|
Max. Flow Rate (L/min)
|
Flow Adjustment Range (L/min)
|
Pressure Adjustment Range (MPa)
|
|---|---|---|---|---|
|
EFBG-03-125-C
|
24.5
|
125
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1.0~125
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1.4~14
|
|
EFBG-03-125-H
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24.5
|
125
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1.0~125
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1.4~21
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3.3 Modular Valves (General Specifications)
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Operating Pressure: Up to 31.5 MPa (4570 psi) for 01/03 series; 25 MPa (3630 psi) for 06/10 series.
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Max. Flow Rate: 50 L/min (01 series), 100 L/min (03 series), 200 L/min (06 series), 400 L/min (10 series).
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Fluid Compatibility: Petroleum-based oils (ISO VG 32/46), phosphate ester, polyol ester, water-glycol fluids.
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Operating Temperature Range: -15°C ~ +70°C (-5°F ~ 160°F).
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Filtration Requirement: NAS 1638 Grade 11-12 (20 μm or less).
3.4 Check Valves and Throttle Check Valves
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Z2FS Series: Max. operating pressure 31.5 MPa, max. flow rate 200 L/min, double-acting throttle control.
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CPDG Series: Max. operating pressure 31.5 MPa, nominal diameter 10~25mm, right-angle flow design.
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MSB Series (Check Throttle Valves): Max. pressure 31.5 MPa, flow rate up to 100 L/min, stackable modular design.
4. Notes
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The model suffixes may indicate special features (e.g., material, seal type, temperature resistance). For detailed interpretation, refer to YUKEN’s official technical manual.
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When using non-petroleum-based fluids (e.g., phosphate ester), select models prefixed with “F” for special seals.
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Installation and maintenance must comply with the specified pressure, flow, and temperature ranges to ensure valve performance and service life.
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For custom specifications or model confirmation, contact YUKEN authorized distributors or technical support.
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Export inspection: Apply to the quality inspection department for export commodity inspection and provide relevant documents.
Apply for a write-off slip: apply for a write-off slip from the foreign exchange management department for subsequent foreign exchange write-off.
Export declaration: Declare exports to the customs and provide documents such as power of attorney for customs declaration, customs declaration form for export goods, commercial invoice, packing list, etc.
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