Salher: quality manufacturer of water treatments, with 40 years of experience
For 40 years, Salher has developed wastewater treatment equips, emphasizing innovation and quality in the production process.
Engineers and Manufacturers. Salher has become a specialist in the design of wastewater treatment, reuse and drinking water systems, with special care in the performance, operability and durability of the systems. This is how the Spanish company obtained its first quality certificates issued by an approved body by ENAC: the Salher water treatment plants were subjected to structural behavior and performance tests according to the UNE-EN 12566-3 standard.
Progressively, Salher has been adding certifications, such as the one regarding the design and manufacture of hydrocarbon separators. These equips have undergone structural, chemical resistance and impact resistance tests, as well as performance tests based on UNE-EN 858-1. Also Salher pumping stations are designed according to the EN 12050-1 standard.
Salher is an entity clearly committed to the management of its Quality System, established since 2003. In 2018, with the implementation of the new ISO 9001: 2015, Salher expanded the scope of its Quality management system to tertiary treatments of water and drinking water systems, with assembly tests and internal functioning tests.
Productive Process & Quality Certificates
In its pursuit to manufacture quality equips, Salher developed two own manufacturing systems following the indications of the UNE-EN 976 standard.
On the one hand, the filament winding that consists of the multi-angle cross winding (MA) of fiberglass impregnated with polyester resin. This manufacturing system is used in buried tanks made of glass fiber reinforced plastics (GRP) and in horizontal cylindrical tanks for the pressureless storage of liquid petroleum fuels, in which its laminate has an interior gel-coat barrier enriched as chemical protection.
The loads to which an MA deposit is subjected, whether buried or on the surface, are uniformly distributed in the multidirectional threads, which considerably increases its structural resistance. This improves mechanical strength by more than 20% over traditional manufacturing methods.
Salher’s second manufacturing method consists of the simultaneous projection of fiberglass and resin, applied directly on the part or mold, for gluing the pieces and the non-cylindrical parts of the tanks. This manufacturing method allows to give the final product totally homogeneous mechanical and chemical characteristics and guarantees the perfect sealing of the precast.
The manufacture of our equipment has been externally tested by a laboratory accredited by ENAC. Tensile strength tests (UNE-EN ISO 527-4), flexural strength tests (UNE-E ISO 14125) and, finally, Izod impact resistance (UNE-EN ISO 180) were performed.
Salher equips are manufactured according to regulations and following customer specifications
Control of internal production
To control the manufacture of the Salher equips, the Production Department, under internal supervision of the Quality Department, carries out the following quality controls:
Dimensional control: The important dimensional parameters are measured: diameter, length and thickness.
Tightness control: Water is introduced into the tanks in order to check that there are no leaks or pores, as well as any other anomaly on their entire surface.
Thickness test: Salher certifies that, according to its ferrules, flat bottoms and Korboggen caps manufacturing system, for the thicknesses calculation and according to the theory of thin sheets of resistance of materials for building elements, minimum thicknesses have been defined, measured with the help of a tester (micrometer, feeler gauge or any other appropriate instrument).
Barcol hardness test: Salher certifies that the characteristics of the laminate comply with a minimum value of 80% of that specified by the resin supplier, after a 24-hour post-curing process.
Milk, cheeses, yogurt, butter, cream, curd, ice cream ... It is no secret that the production of any kind of dairy generates high volumen of process waters full of organic materials, nitrogen and...
EPC Project. Salher supplies a custom-designed wastewater treatment plant for the meat processors industry
The last wastewater treatment plant designed by Salher has been a turnkey project consisting of the enlargement and modernization of the WWTP of a leading company in Europe in processed meat...
The excesive use of fertilizers in intensive agriculture and the discharges of sewage and slurry from livestock contaminate the water with nitrates. Salher develops treatments to avoid pollution and...
Designed and developed to meet all the requirements in water treatments.
Project and Design
Engineering development and projects management.
Production of GFRP, polypropylene and steel equipment.
Assembly of modular equipment and integration in civil works.
Selection of equipment and instrumentation to provide an integral water treatment solution.
Technical assistance in the electromechanical and electrical assembly of every water treatment plant.
Post-installation control service by a qualified technical staff.
Courses & documentary support
Practical training and delivery of manuals of operation, commissioning and maintenance.
Carrera Toledana, 33. Arganda del Rey. Madrid 28500. Spain.
+34 91 870 00 15
Spain / +34 91 870 00 15
France / +33 1 84 16 47 84
Malaysia / +60 102 452 108
Mexico / +52 55 5081 8437
Peru / +51 620 0722
Poland / +48 22 737 24 95
Portugal / +351 234 795 821
Paraguay / +595 981 252 845
Philippines / +63 (0) 977 215 4199
Engineering – Wastewater treatment – Purification – Liquid/solids separation equipment for industrial and municipal process applications – Surface water – Groundwater – Water Reuse – Drinking Water – Hydrocarbon and Oil Water Separation