Custom
cylinders

The perfect solution for every application

Every industrial sector has specific needs, and often a standard product is not enough. For this reason, Cosma produces custom hydraulic cylinders, designed to adapt perfectly to the needs of each customer.

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Types of cylinders

Single acting cylinder

dimensions vary from bore Ø20 to Ø250

Double acting cylinder

dimensions vary from bore Ø20 to Ø250

Cylinder with internal supply

both single and double acting

Plunger cylinder

suitable for highly oxidizing environments

Multi-stage plunger cylinder

both single and double acting

Plunger cylinder with opposed stages

Synchronized cylinder 2-3 stages S.A.

allows for constant speed throughout its stroke

Sequential cylinder with 2 stages

Cylinder with internal memory

allows for stroke variation with hydraulic actuation

Cylinder with phasing valve

allows for stroke synchronization between two cylinders

Cylinder with brake

slows down the stroke at the end of opening or closing

Compensator cylinder

allows for the stroke of two cylinders in tandem

Stabilizer cylinders/ stabilizer feet

Our numbers

over 60,000
from 20 mm to 250 mm
from 12 to 140 mm
8,500
up to 6000 mm
up to 500 bar

Craftsmanship

Every Cosma cylinder is made with the utmost craftsmanship. While using the most advanced technologies, it is our manual precision that guarantees the excellence of the final product.

Design and customized solutions

Designing a custom cylinder means carefully studying every element: dimensions, bore, materials, surface treatments, and structural characteristics. Our goal is to provide a product that integrates perfectly with the customer’s application, improving performance and increasing resistance to wear and the most difficult environmental conditions.

From the design phase to production and testing, we take care of every detail to ensure reliable performance, operational efficiency, and long-term durability.

Technical Department and Design

The COSMA Technical Department is the heart of our innovation, where engineering, experience, and technology come together to develop high-performance hydraulic cylinders, designed to meet the most complex needs of the industrial sector.

Thanks to a highly specialized team, we employ 3D CAD technologies and FEM simulation software, to optimize every component in terms of mechanical efficiency, structural resistance, and long-term durability. We work closely with technical departments and production managers to ensure perfect integration of our cylinders with existing systems.

Materials

Resistant materials to ensure a long life cycle even in difficult conditions.

Steel rod
C45
42CrMo4
20MnV6
NIKROM

External treatments

Zinc plating and painting to ensure maximum protection and durability.

Chromium plating

Thickness on request, with ASTM B117 salt spray resistance certificate for 200, 500 and 1500 hours

Traceability

Every Cosma cylinder is marked with a distinctive mark that certifies its origin and compliance with production standards. This marking allows us to track the cylinder in its after-sales service. Ensuring our customers full guarantee of quality, reliability and 360° assistance.

We are certified

Hydraulic testing department

Our testing department is equipped with a test bench and 3 hydraulic control units that allow us to ensure our customers the maximum reliability and safety of our products.

Technical assistance always by your side

Assistance represents a continuous commitment to our customers to offer support and quick solutions to any need before, during, and after each supply.

Thanks to our consolidated experience in the sector, we guarantee an reliable and direct after-sales service, with specialized technicians ready to provide precise and timely answers. Whether it’s technical information, maintenance, or customizations, COSMA is the partner you can count on.

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