W-MSN Suction Strainer by Masuda Seisakusho – Precision Filtration for Hydraulic Systems
- Luis Alberto Fing

- Nov 5
- 2 min read
Welcome to Nichiboku's industrial Blog
Introduction
The W-MSN Suction Strainer from Masuda Seisakusho embodies the precision and reliability that define Japanese engineering. This high-quality tank suction filter is designed to protect hydraulic and lubrication systems by preventing contaminants from entering pumps and other sensitive components — ensuring long-term stability and performance.

Product Overview: Masuda Seisakusho W-MSN Suction Strainer
The W-MSN series suction strainers are stainless-steel filters ideal for hydraulic tanks. Their robust mesh design provides excellent resistance to pressure deformation and maintains stable filtration performance. With a choice of mesh sizes and connection types, the W-MSN ensures adaptability for various industrial systems.
Key Features
Designed for use as a tank suction filter.
Stainless steel mesh offers high strength and corrosion resistance.
Low deformation rate under pressure for stable filtration.
Chemical resistance prevents reaction or degradation even when exposed to dissolved air.
Compatible with general mineral oil, water-glycol, and phosphate ester fluids.
Not suitable for fatty acid ester-based fluids.
Model Configuration
Model Code | Connection Size | Mesh Type (μm) | Remarks |
W-MSN-04-100M | Rc1/4 | 100μm | Standard type |
W-MSN-10-100M | Rc3/8 | 100μm | Standard type |
Element Type (Mesh Options)
Mesh Code | Mesh Size (μm) | Element Type |
60M | 60μm | Stainless mesh |
100M | 100μm | Stainless mesh |
150M | 150μm | Stainless mesh |
250M | 250μm | Stainless mesh |
Specifications
Model | Connection Size | Flow Rate (L/min) | Pressure Drop (kPa) | Max Pressure (kPa) |
W-MSN-04 | Rc1/4 | 7 | 7 | 100 |
W-MSN-10 | Rc3/8 | 28 | 6 | 100 |
(Values based on measurement conditions: oil viscosity 50mm²/s, 150 mesh stainless steel element)
Applications and Benefits
The Masuda Seisakusho W-MSN Suction Strainer is ideal for use in:
Machine tools
Hydraulic power units
Industrial lubrication systems
By integrating this strainer, engineers can prevent contamination, reduce maintenance frequency, and enhance overall equipment reliability.
Why Choose Masuda Seisakusho Filters
Masuda Seisakusho’s filtration products are trusted across industries for their precision, durability, and efficiency. The W-MSN Suction Strainer exemplifies these traits, offering:
Superior corrosion resistance
Consistent pressure performance
Long service life under demanding industrial conditions
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Nichiboku Ltd. provides global supply support for Japanese industrial products, ensuring reliable distribution and after-sales assistance worldwide.
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