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Masuda Seisakusho APL-Type 3.5 MPa Pressure Line Filter

Writer: Luis Alberto Fing
Luis Alberto Fing
Sep 7
2 min read

Updated: 5 days ago

Nichiboku's industrial Insights

Introduction

The Masuda Seisakusho APL-Type is a hydraulic pressure line filter designed for operating pressures up to 3.5 MPa.

Its aluminum-alloy body provides a lightweight configuration, while the removable filter element supports scheduled inspection and replacement. The cover can also be reversed to change the flow direction according to the piping arrangement.


Silver industrial line filter on gray background with logo and text: MODEL APL-TYPE, 3.5 MPA PRESSURE LINE FILTER
Masuda Seisakusho APL-Type hydraulic pressure line filter, featuring a robust design for 3.5 MPa applications.

Masuda Seisakusho APL Pressure Line Filter Overview

Parameter

Official Specification

Manufacturer

Masuda Seisakusho

Product Type

Hydraulic pressure line filter

Model Series

APL03 to APL24

Maximum Working Pressure

3.5 MPa

Test Pressure

5.3 MPa

Connection Range

3/8 to 3 in. (10A to 80A)

Reference Flow Range

20 to 700 L/min

Main Body Material

Aluminum alloy

Paper Element Ratings

3, 5, 10, 20 and 40 μm

Stainless-Steel Mesh Ratings

5 to 400 μm

Bypass Mechanism

Standard

Clogging Indicator

Visual or electrical-contact type available as options

The maximum working and test pressures apply to the filter housing. Element selection must be confirmed according to the fluid, filtration rating, flow rate, viscosity and operating conditions.

APL Series Selection Guide

Series

Connection Size

Reference Flow

Reference Pressure Loss

APL03

Rc 3/8 — 10A

20 L/min

0.020 MPa

APL04

Rc 1/2 — 15A

40 L/min

0.040 MPa

APL06

Rc 3/4 — 20A

70 L/min

0.030 MPa

APL08

Rc 1 — 25A

100 L/min

0.040 MPa

APL10

Rc 1 1/4 — 32A

160 L/min

0.030 MPa

APL12

Rc 1 1/2 — 40A

260 L/min

0.050 MPa

APL16

50A flange

400 L/min

0.050 MPa

APL20

65A flange

600 L/min

0.044 MPa

APL24

80A flange

700 L/min

0.054 MPa

Reference flow and pressure-loss values are based on hydraulic oil with a kinematic viscosity of 50 mm²/s and a 10 μm paper element. Flange connections are also available as an option for APL03 through APL12.

Blueprint of a pressure reducing valve line filter on a blue grid, labeled MASUDA SEISAKUSHO, 3.5 MPa, with 360° views and angles
360-degree blueprint views of the Masuda Seisakusho APL-Type hydraulic pressure line filter, showcasing its front, right, rear, and left profiles with a 3.5 MPa capacity.

Information Required for Quotation

For a new or replacement Masuda APL pressure line filter, please provide:

  • Complete filter model shown on the nameplate

  • Photographs of the filter and nameplate

  • Existing drawing or dimensional information

  • Required connection size and type

  • Fluid type

  • Operating and maximum pressure

  • Required flow rate

  • Fluid viscosity and operating temperature

  • Required filtration rating

  • Paper or stainless-steel mesh element

  • Visual, electrical or no clogging indicator

  • Required quantity

For fluids other than general mineral oil—including water-glycol, phosphate-ester or fatty-acid-ester fluids—the fluid must be identified because internal materials and seals may require modification.

International Sourcing from Japan

Nichiboku supports international users requiring Masuda Seisakusho APL pressure line filters and replacement elements for identified hydraulic systems.

Review Masuda Seisakusho filtration products through Nichiboku:

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