Hydroblock's strength is the successful implementation of innovative concepts: continuous technological research, state-of-the-art project engineering and careful material selection. Hydroblock's corporate philosophy is focussed on customer orientation and partnership.

MATERIALS

The cylinders are made of heat-treated free cutting steel to enhance the wear resistance and ensure smooth running. The surface is subject to an additional thermal treatment to obtain optimum corrosion protection. The inside components are made of high-quality special steel with hardened and ground surface.
Hydroblock uses exclusively high-quality seals that are perfectly adapted to the functional characteristics of the cylinders and the relevant type of application.
Upon request, the cylinders can also be equipped with VITON seals for high operating temperatures.

PRODUCT TESTING

All Hydroblock cylinders are rated for an operating pressure of up to 500 bars and tested on a special computer-controlled test bench at the pressure specified by the customer or at the corresponding standard pressure. Hydroblock subjects all cylinders and components to a 100% check.
The test report is placed at the customer's disposal.

WARRANTY

Hydroblock warrants that the products sold are free from defects in material and workmanship for a period of 12 months from the date of delivery. This warranty does not cover any damage to the products due to improper or inadmissible use of the products or due to the use of inadmissible operating fluids. This warranty does not include defects from normal wear and tear.
Hydroblock S.r.l. strives for continuous improvement and reserves the right to change the specifications of its products without prior notice at any time. The technical data in the catalogue are thus not binding.

OPERATING TEMPERATURE

• Ambient temperature:: -10°C / +60°C
• Oil temperature: +10°C / +60°C

ADMISSIBLE SPEED RANGE

• The minimum speed is 0,01 mt./sec.
• The maximum speed of 0,25 mt./sec., must not be exceeded.

OPERATING CONDITIONS

Hydroblock cylinders are rated and used for a maximum static pressure of up to 500 bar.
The indicated maximum speed must not be exceeded. While the cylinders work without any oil leakage in static condition, minor oil leakage may occur during dynamic operation to ensure the durability of the seals.
The maximum admissible oil leakage is <0.3 cm3 for 1000 cycles (extension and retraction) and at a reference stroke of 100 mm for pistons with a diameter of up to 35 mm. At a piston diameter of 40 mm and a reference stroke 100 mm, the maximum admissible oil leakage amounts to <0.6 cm3.

Only hydraulic oil based on mineral oil should be used (DIN 51524).
The use of other fluids that are not suitable for this purpose may affect the proper functioning of the cylinders and other components or even damage them.

The oil viscosity should comply with the parameters specified in ISO 3448.
For oil temperatures ranging between +10° and + 60° C, we recommend a viscosity as per ISO VG32.

The degree of oil contamination should not exceed class 18/14 as per ISO 4406.
The hydraulic oil purity is of fundamental importance for the operational reliability and proper functioning of the cylinders and all other components of a hydraulic system. For this reason, the use of filters with a filter mesh of at least 25° micron is recommended.