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Masuda Seisakusho FS Series Suction Line Filter | Precision and Reliability for Hydraulic Systems
- Luis Alberto Fing
- Nov 5
- 3 min read
Welcome to Nichiboku's industrial Blog
Introduction
The Masuda Seisakusho FS Series Suction Line Filter is designed to deliver reliable and long-lasting filtration for hydraulic systems. With a compact and lightweight construction, this filter provides exceptional flow characteristics and ease of maintenance. Built upon the foundation of Japanese precision engineering, it ensures optimal system protection against contaminants and extended equipment life.
Compact Design and High Filtration Performance
The FS Series achieves the ideal balance between compactness, durability, and high performance. Its simplified internal structure reduces flow resistance while maintaining stable filtration efficiency. The top-mounted configuration makes it suitable for compact hydraulic tank installations.
Key Features
Lightweight and compact structure (approx. half the weight of conventional filters)
Simple element removal and installation
Internal design reduces pressure loss
Bypass valve included for system protection
Visual clogging indicator standard (electrical indicator optional)
Optional mounting bracket for flexible setup
Technical Specifications – FS Series Suction Line Filter
Model | Nominal Flow Rate (L/min) | Connection Type | Connection Size (IN/OUT) | Element Precision (µm) | Compatible Fluids | Element Material | Bypass Valve | Indicator Type | Pressure Loss (kPa) | Max Working Pressure (MPa) | Weight (kg) |
FS04 | 20 | Threaded | Rc1/2 | 60 – 400 | General hydraulic oil / Water glycol | Stainless steel mesh | Built-in | Visual (Standard) | 5 | 1.0 | 1.5 |
FS06 | 40 | Threaded | Rc3/4 | 60 – 400 | General hydraulic oil / Water glycol | Stainless steel mesh | Built-in | Visual (Standard) | 6 | 1.0 | 1.8 |
FS08 | 60 | Threaded | Rc1 | 60 – 400 | Hydraulic oil / Water glycol / Phosphate ester | Stainless steel mesh | Built-in | Visual (Standard) | 3 | 1.0 | 2.0 |
FS10 | 100 | Threaded | Rc1 1/4 | 60 – 400 | Hydraulic oil / Phosphate ester | Stainless steel mesh | Built-in | Visual (Standard) | 5 | 1.0 | 2.8 |
FS12 | 180 | Threaded | Rc1 1/2 | 60 – 400 | Hydraulic oil / Fatty acid ester | Stainless steel mesh | Built-in | Visual (Standard) | 5 | 1.0 | 3.5 |
FS15 | 300 | Threaded | Rc2 | 60 – 400 | Hydraulic oil | Stainless steel mesh | Built-in | Visual (Standard) | 4 | 1.0 | 4.5 |
FS20 | 600 | Flange | Flange | 60 – 400 | Hydraulic oil | Stainless steel mesh | Built-in | Visual (Standard) | 5 | 1.0 | 6.8 |
Fluid Compatibility Codes
No Mark: General Hydraulic Oil
W: Water Glycol
F: Phosphate Ester
QE: Fatty Acid Ester
Element Codes
S: Stainless Steel Mesh (Standard)
SW: Stainless Steel Mesh (Replacement Type)
Model Code Example (Ordering Information)
The following example illustrates how to specify the FS Series Suction Line Filter:
Example | Description |
FS08-10S-W | FS Series, 60 L/min flow, 100 µm element, stainless mesh, compatible with water glycol |
FS12-06S | FS Series, 180 L/min flow, 60 µm element, general hydraulic oil |
FS20-40SW-F | FS Series, 600 L/min flow, 400 µm element, replacement stainless mesh, phosphate ester fluid |
Advantages of the FS Series
Compact and efficient design saves installation space
Stainless steel elements ensure long life and corrosion resistance
Reusable elements reduce maintenance costs
Integrated bypass valve and clogging indicator for operational safety
Compatible with a wide range of industrial hydraulic fluids
Why Choose Masuda Seisakusho FS Series Suction Line Filter?
Trusted Japanese design and build quality
Long-lasting, efficient, and low-maintenance design
Versatile configuration for diverse hydraulic applications
Backed by Nichiboku Ltd’s reliable technical expertise
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