GemmeCotti srl has been designing and manufacturing chemical pumps for acids and dangerous liquids since 1992, when its founders started their own company after considerable experience in pump design and production.
Over the years, GemmeCotti has created its own range of industrial pumps designed and manufactured by its experienced team of experts. We are now specialized in magnetic drive pumps, mechanical seal pumps and vertical pumps.
The company is characterized by the high quality of its pumps, which is guaranteed by the use of materials of Italian origin and by the constant care of qualified and always up-to-date personnel, who pays special attention to the customer’s needs and offers assistance during the whole purchasing process.

Our wide range of products includes magnetic drive centrifugal pumps, mag-drive turbine pumps, mag-drive vane pumps, vertical pumps, mechanical seal pumps and manufactured in thermoplastic materials (PP or PVDF) or metallic materials (AISI 316). All GemmeCotti pumps are in compliance with the Machinery Directive (CE/2006/42).
GemmeCotti pumps are valued worldwide and they are successfully used in many different industries including: chemical and petrochemical, pharmaceutical, oil refinery, electroplating, printed circuits, electronic, photography, military, water treatments, biotechnology, paper mills, textile, sugar plants, food processing, dairies and many others.

Armek Srl is an international subsidiary of the Italian company GemmeCotti Srl. Since 1992 Armek has been designing and manufacturing high quality magnetic sealless centrifugal pumps, magnetic sealless turbine pumps, magnetic sealless vane pumps and mechanical seal pumps suitable to pump acids and dangerous chemicals.

Gemme Plast is a company part of the GemmeCotti Group specialized in the injection moulding of plastic materials. We use high-performance polymers, including fluoropolymers, to manufacture technical parts for several sectors such as: mechanical engineering industries, automotive, household appliances, chemical and pharmaceutical industries, military and electronics industries. We plasticize your ideas: at Gemme Plast we follow our customers step by step, from the design to the injection moulding


GemmeCotti’s first goal is quality and continuous improvement. The main purpose of our company is to gain and maintain the role of “Privileged Supplier” in the design and production of chemical pumps for acids and dangerous liquids, offering to customers the right product which meets their expectations. We want to offer the best service and the best pumps with extremely reduced delivery time.
Continuous improvement is a very important aspect in the corporate mission, as a matter of fact GemmeCotti’s development is guided by:
attention to the requirements, recommendations and customers’ claims;
analysis of customer satisfaction;
– constant checks of the effectiveness of the operational processes;
– continuous training of the personnel in cutting-edge technological innovations;
– The use of qualified Italian suppliers capable to supply products and services suitable for the quality level of our company
– The periodical analysis and maintenance of the Quality Management System according to the changes that occur in the field of activity and to the connected risks.
These are the main cardinal points which guide the company in defining its strategic objectives.


In addition to high-quality pumps, our company offers to customers further services.
The quick delivery of the ordered pumps is clear proof of the effectiveness of the production, but GemmeCotti also guarantees post-sales technical assistance with pump repair and spare-part supply even after the standard warranty period.


The values that have guided the company from the beginning are: the quality of the pumps and of their materials, the competence, availability and courtesy of the employees who meet the customer’s needs and the constant desire to offer the best service in terms of price/quality and delivery time of the pumps.

Quality management system iso 9001:2015

“Quality” is a key word for GemmeCotti, this is why we have been an ISO 9001 certified company since 2007. Recently our Quality Management System has been updated to the new ISO 9001:2015, making us one of the first companies in Italy to be certified to the new quality standards. This is a clear proof of our dedication to constant improvement and desire to offer high quality service and products.
GemmeCotti is constantly becoming more and more efficient and the customer satisfaction is always our priority. Our main desire is to meet the customers’ expectations and offer them the best support and top-level products. We aim to continuously improve every business process: from the technical and production department, to the marketing and sales office.
Every aspect has been developed and organized so that the company can be competitive and flexible on the pump market and can maintain the position of leading supplier of chemical pumps.

Pumps production

GemmeCotti’s first aim is to understand the customers’ requirements and supply the best product to fit their needs. The sales and technical office are able to select the right pump model and the recommended materials for the requested application using our company’s know-how together with up-to-date software tools. Once chosen, the pump with the selected configuration can be manufactured.

All the parts of the pumps come from qualified Italian suppliers and they are checked and machined carefully by highly skilled GemmeCotti personnel to assure the compliance to the technical constructive drawings. The construction materials of GemmeCotti pumps are of the highest quality and they are suitable to resist corrosion and to handle most of the existing chemicals.

The assembly process takes place in our workshop where inspections are performed step by step on every single pump. When the pumps are ready, we test them one by one using our new and modern test bench to check the performances and the good functioning before shipping them to the customer.

Thanks to a fully stocked warehouse, GemmeCotti can store most of the parts of the standard pumps, so that in case of urgent request, we are able to supply rapidly to the customer both pumps and spare parts.

Pump design

GemmeCotti’s technical office and research & development department are continuously involved in the design of new pumps and the improvement of the existing ones. Using CAD softwares we make 3D drawings of all the pump parts and pump assembly and then we use finite element method FEM to perform structure analysis in order to assure structural resistance and strength.

All the pumps are designed following four main objectives: have a reliable high-tech design, work and withstand the hardest conditions, be chemically resistant and suitable to operate with corrosive and aggressive liquids, guarantee a long-lasting service with minimum maintenance.

Our engineers are constantly involved in new projects and in the design of new pumps according to what the market of chemical pumps requires and to the customers’ needs. We are able to offer more than 500 pump variations for meeting a wide range of applications but, if requested, we can also customize our standard pumps according to the customer’s preferences.

Quality made in italy

GemmeCotti pumps are entirely manufactured on our premises and they are 100% MADE IN ITALY. They are designed, assembled and tested in our workshop by highly skilled personnel, while the pump parts are made and machined by our Italian suppliers, who are all located in the area near our company. This is the reason why, for us, the suppliers play an important role in the resulting quality of the pumps. We choose and select them through a strict qualification process and we keep a close relationship with them in order to ensure the highest quality of each pump part and consequently of the complete pump assembly.
The Italian origin has always been considered a guarantee of product quality and value, given by the long experience and technical skills of Italian workers. We are proud to carry on this tradition and to supply top-quality industrial pumps in more than 80 countries around the world.
Our customers can count on a product which meets mechanical excellence standards at a competitive price with the assurance of Italian origin.