hydraulic manufacturing and engineering company

Filter production

(transferred to China from 2021)

Hydraulic System Filtration Guide: Types, Selection, and Maintenance TipsHydraulic systems are the heart of many industrial and mobile machines – powering everything from excavators to injection molding machines.
But even the most advanced system is only as reliable as its filtration.
Impurities such as dust, water, or metal particles can cause wear, overheating, or even complete system failure.

3902 – Water filter cartridges (Bypass filter / WG cartridge)

Designed for filtration of water-based fluids, coolants, light glycol mixtures and EDM fluids.
Removes contaminants down to 1 micron
Effectively captures particles from water-based coolants
Does not remove or weaken additives in the filtered fluid

320

€

900013 – Replacement filter element (Spin-on filter)

DESCRIPTION
SLP™ “Spin-On” filters provide filtration for light industrial applications, passenger cars, RVs, vans, trucks and tractors.
Model L-61
Model 750-S (can replace original lubrication bypass filters. Convenient thread-on replacement feature.)

260

€

Series 7504 – Filter cartridge (bypass filter / cartridge)

Overall dimensions of the filter element: 7.50″ diameter x 19.75″ length
Designed for filtration of gear oils and oils with very high viscosity.
Suitable for ISO viscosity 460 to 1000.
Removes contaminants down to 1 micron
Removes water and solids
Does not remove or weaken additives in the oil

216

€

Series 7502 – Filter cartridge (bypass filter / cartridge)

Overall dimensions of the 7502 oil filter: 7.50″ diameter x 19.75″ length
Designed for filtration of gear oils and very high viscosity oils.
Suitable for ISO viscosity 460 to 1000.
Removes contaminants down to 1 micron
Removes water and solids
Does not remove or weaken additives in the oil

220

€

1000H Filter Vessel (Hydraulic Body) | Hydraulic Filtration System

Specifications
Dimensions: 23.87″ H x 10.62″ W x 10.75″ D
Flow: 2.75 to 5.25 GPM
Body Capacity: 20 Quarts
Finish: Silver Powder Coat

919

€

Portable Hydraulic Oil System (Pneumatic Portable Filtration System)

Overview
Dual body and filter vessel with filter bag, equipped with 8 GPM pump and control unit.
Get a portable hydraulic oil filtration system.

10.033,00

€

DUAL 1000 PORTABLE SYSTEM
(Portable Dual Body Hydraulic System)

With the portable hydraulic oil filtration cart, you can remove contaminants down to 1 micron, as well as water and glycol.
The portable design allows for easy movement between jobsites, extending fluid life and reducing hazardous waste.
Suitable for most synthetic and petroleum fluids.
Includes operating and maintenance manual.

9.188,00

€

STACIONÁRNÍ SYSTÉM DUAL 1200
(Stacionární hydraulický systém s dvojitým tělesem a více filtračními vložkami)

Vysoce účinné řešení pro kontinuální filtraci hydraulických a mazacích kapalin v průmyslových provozech.
Navrženo pro provoz s velkým objemem kapaliny, minimalizaci prostojů a maximalizaci životnosti zařízení.

25.550,00

€

Why Hydraulic Filtration Matters

Hydraulic systems rely on clean fluid to transmit power efficiently. Any contamination can lead to:

Reduced performance
Increased component wear
Frequent breakdowns
Costly repairs and downtime

Effective filtration protects valves, pumps, cylinders, and seals—helping extend the lifespan of the entire system.
Types of Hydraulic Filters
Hydraulic systems use multiple types of filters, each placed strategically to catch different contaminants throughout the system. Here’s a breakdown:

Suction Filters

Location: In the reservoir, before the pump.
Purpose: Prevents large contaminants from entering the pump.
Note: Usually coarse filters; not meant for fine filtration.

Return Line Filters

Location: On the return line from the hydraulic circuit to the reservoir.
Purpose: Captures contaminants before they re-enter the tank.
Popular choice for general protection and ease of access.

Pressure Line Filters

Location: Downstream from the pump, before sensitive components.
Purpose: Removes fine contaminants under high pressure.
Use: Critical for protecting precision valves and actuators.

Off-line / Kidney Loop Filters

Location: Separate filtration circuit running parallel to the main system.
Purpose: Continuous fluid filtration and conditioning without affecting system performance.
Ideal for: Systems where high cleanliness is essential.

Breather Filters

Location: On reservoir air inlets.
Purpose: Prevents airborne contaminants from entering the hydraulic tank.

OIL FILTRATION, TRIBODIAGNOSTICS, OIL CHANGE, CONSULTING

SALPI IG performs oil analysis, filtration and replacement using filtration and filling equipment. We offer the optimal method of working fluid filtration based on the technical requirements of the customer and also perform equipment maintenance. Comprehensive services in working fluids reduce operating costs and extend the life of parts. Our range includes filtration equipment for dehydration and cleaning of mechanical impurities.

Filtračně-plnicí stanice SLP-180
Profesionální zařízení pro čerpání a filtraci hydraulického oleje.

Průtok: 180 l/min
Typ filtru: 40 FL 0120
Jemnost filtrace: 1100 μm

Spolehlivé řešení pro průmyslové použití a servisní údržbu hydraulických systémů.

SLP180

Two-wheeled filtration and filling station 180 SLP

MOBILNÍ FILTRAČNÍ STANICE DEPUROIL

Technická data:

Průtok: 25-30 l/min.
Hlučnost: menší než 70 dB
Filtrace: 10 µ
Napájecí napětí: 1x230 V, 50 Hz
Hmotnost: 28 kg