NJU Tank Mounted Suction Filter

NJU Tank Mounted Suction Filter

6 day ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

NJU Tank Mounted Suction Filter

Product Overview

NJU Tank Mounted Suction Filter is a tank-top installed FILTER, serving as the primary protection component for the hydraulic system of industrial Machine. The filter assembly is fixed on the top cover of hydraulic oil tank, with the filter cartridge immersed in hydraulic fluid. It traps solid contaminants in hydraulic oil before the fluid enters the hydraulic pump, preventing abrasive particles from damaging pump and precision components inside the hydraulic system, and improving the operational stability of the Machine.

This FILTER comes with a built-in bypass valve and optional clogging indicator. When the filter element is clogged and the vacuum rises to the set threshold, the bypass valve opens automatically to avoid pump cavitation. Multiple flow specifications are available to match various hydraulic power stations and industrial Machine.

Technical Specifications

- Model: NJU Tank Mounted Suction FILTER

- Mounting: Tank top flange mounting

- Rated Flow: 25 ~ 800 L/min optional

- Filtration Accuracy: 80μm, 100μm, 180μm

- Bypass Valve Opening Vacuum: -0.02 MPa

- Clogging Indicator Signal Vacuum: -0.018 MPa (optional)

- Working Medium: Anti-wear hydraulic mineral oil, water-glycol, phosphate ester fluid

- Operating Temperature: -20℃ ~ +80℃

- Feature: Built-in bypass valve, optional clogging alarm, easy filter element replacement, reliable sealing

- Application: Pump inlet coarse filtration for hydraulic system of industrial Machine

Working Principle

When the Machine starts running, the hydraulic pump draws oil from the hydraulic tank. The hydraulic oil flows into the NJU suction FILTER. Metal shavings, dust and rubber debris are intercepted by the filter cartridge, and clean oil flows to the pump inlet.

As contaminants accumulate on the filter element, vacuum pressure increases. Once the vacuum reaches -0.018 MPa, the clogging indicator triggers a warning to remind maintenance. If the Machine cannot shut down immediately, the built-in bypass valve opens at -0.02 MPa, allowing oil to bypass the filter temporarily. This prevents empty suction and cavitation of the hydraulic pump and keeps the hydraulic system running continuously.

Core Advantages

1. Tank-top flange installation saves pipeline space of the hydraulic system, and the sealed structure effectively reduces oil leakage risk.

2. Integrated bypass valve plus optional clogging alarm provides dual protection for the hydraulic pump, improving safety of the Machine.

3. Simple maintenance: replace filter cartridge directly from tank top without draining all hydraulic oil, shortening downtime.

4. Large dirt holding capacity and low initial pressure loss, will not affect oil supply of the hydraulic pump.

5. Complete flow options, strong interchangeability, suitable for mass matching and maintenance spare parts of the hydraulic system.

Application Range

This FILTER is widely used in the hydraulic system of hydraulic power packs, machine tools, metallurgical machinery, plastic machinery, construction machinery and other industrial Machine. It is used as suction-side coarse filtration to protect hydraulic pumps for new equipment assembly and routine part replacement.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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