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Masuda Seisakusho FSA Suction Line Filter – Japanese Precision Filtration for Hydraulic Systems
- Luis Alberto Fing
- Nov 5
- 2 min read
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Introduction
Fluid cleanliness is essential to the performance and longevity of hydraulic and industrial systems. The FSA Suction Line Filter by Masuda Seisakusho is designed to deliver superior performance, with a lightweight aluminum alloy body, high suction efficiency, and proven reliability under demanding industrial operations.
Manufactured under Japanese engineering standards, this filter combines safety, durability, and easy maintenance, making it ideal for hydraulic systems, lubrication units, and industrial machinery.
Key Features of Masuda Seisakusho FSA Suction Line Filter
Lightweight aluminum alloy body, durable and easy to install.
Minimal air intake in the filter chamber, preventing performance loss.
Excellent compatibility with fixed displacement pumps.
Standard bypass valve mechanism, prevents contaminants from escaping.
Differential pressure indicators available (visual and electrical types).
Compatible with various fluids: mineral oil, water-glycol, phosphate ester, and fatty ester.
Model Configuration
Model Code | Description |
W-FSA S 08-105 S | Example of model designation |
Model Code Breakdown
Symbol | Description | Example |
W | Fluid type | General mineral oil |
FSA | Machine type | Suction filter |
S | Indicator type | Visual indicator |
08 | Series number | 08 |
105 | Element accuracy (µm) | 105 |
S | Element material | Stainless steel mesh |
Compatible Fluid Types
Symbol | Fluid Type | Notes |
(None) | General mineral oil | — |
W | Water-glycol system | Seal replacement required |
F | Phosphate ester fluid | Seal replacement required |
QE | Fatty ester fluid | Seal replacement required |
Indicator and Element Material Options
Symbol | Indicator Type |
(None) | No indicator |
S | Visual indicator |
E | Electrical indicator with contact signal |
Element Accuracy (µm) | Element Material |
74, 105, 149, 210 | Stainless steel (S) |
Replacement Element Code
Example Code | Description |
S08-105SW-W | Element for model FSA08, 105µm, stainless steel, for mineral oil |
Symbol | Description |
S | FSA Series |
08 | Series number |
105 | Element accuracy (µm) |
SW | Element material (stainless steel) |
W | Fluid type (water-glycol or general) |
Technical Specifications
Model | Connection Diameter | Connection Type | Flow Rate (L/min) | Pressure Loss (kPa) |
FSA06 | 20A | Thread | 30 | 2 |
FSA08 | 25A | Thread | 50 | 2 |
FSA10 | 32A | Thread | 80 | 3 |
FSA12 | 40A | Thread | 120 | 3 |
FSA16 | 50A | Flange | 200 | 3 |
FSA24 | 80A | Flange | 320 | 3 |
Test Conditions: Standard mineral oil, viscosity 50 mm²/s, stainless steel element 105 µm.
Advantages of the FSA Filter
Compact and lightweight design for easy installation.
Wide flow rate range from 30 L/min to 320 L/min.
Multiple element precision and material options.
Compatible with various industrial fluids.
Equipped with safety bypass mechanism.
Applications
Industrial hydraulic systems.
Hydraulic power units.
Machinery lubrication systems.
Filtration for automated or heavy-duty equipment.
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