ANTI-CORROSION DIAPHRAGM PUMP FOR ACIDIC AND ALKALINE PRODUCTS

Comet MC18 Pump for Acids

The Comet MC18 Pump for Acids and Alkalis is the professional diaphragm pump of Italian manufacture selected by Dal Degan for applications requiring high chemical resistance and long-term reliability. It is designed for handling acidic products, alkaline detergents, professional disinfectants, saline solutions, kaolin and numerous substances that could rapidly damage a traditional pump with aluminum components. The main difference from the standard version of the MC18 lies in the materials used for all parts in contact with the liquid. The hydraulic parts, heads and manifolds are made of polypropylene and stainless steel, while the diaphragms are constructed in FKM/FPM (Viton® family), a fluoroelastomer known for its excellent resistance to numerous acids, solvents, detergents and aggressive chemicals. This configuration allows the pump to maintain high operational performance even in demanding and continuous applications. The pump is equipped with an integrated pressure regulator, which allows easy adaptation of the operating pressure to different application requirements. The manifold is also prepared for connection of a second outlet, allowing simultaneous use of two lances or management of two separate distribution lines. The Comet MC18 for Acids and Alkalis is available in two configurations:
  • Pump only, for integration on spraying units, wheelbarrows, custom systems and existing machines.
  • Complete electric motor pump, with single-phase 230 V motor and speed reducer, ideal for professional indoor applications where quiet operation, zero emissions and ease of use represent fundamental requirements.
With a flow rate of 11.9 liters per minute and a maximum pressure of 15 bar, the pump is suitable both for spraying plant protection products and professional detergents, and for controlled distribution of technical liquids in agriculture, food industry, industrial maintenance and professional sanitation.
Fields of Application
  • Phytosanitary treatments with acidic or basic products
  • Application of kaolin in agriculture
  • Distribution of soil inoculants
  • Road de-icing with saline solutions and calcium chlorides
  • Removal of moss, algae, and lichens from roofs, pavements, and monuments
  • Sanitization of food processing plants, dairies, wineries, and processing industries
  • Cleaning of port docks, fish markets, and aquaculture facilities
  • Treatment of water contaminated by fuels, oils, and hydrocarbons
  • Sanitization of livestock farms with aggressive disinfectants
  • Distribution of detergents and chemicals in aqueous solution
  • Application of algaecides in nurseries, greenhouses, and swimming pools
TYPE DIAPHRAGM PUMP
NUMBER OF DIAPHRAGMS 2
DIAPHRAGM MATERIAL VITON
PARTS IN CONTACT WITH LIQUID POLYPROPYLENE AND STAINLESS STEEL
RESISTANCE CHEMICAL ATTACK AND MECHANICAL ABRASION
FLOW RATE 11.9 L/min
MAXIMUM PRESSURE 15 BAR
PRESSURE REGULATOR INTEGRATED
OUTLETS PROVISION FOR SECOND OUTLET FITTING
AVAILABLE CONFIGURATIONS PUMP ONLY / SINGLE-PHASE 230 V ELECTRIC MOTOR PUMP
MOTOR (motor pump version) 0.6 HP / 447 W
TRANSMISSION (motor pump version) PUMP FLANGED TO THE MOTOR WITH GEAR REDUCER
COUNTRY OF MANUFACTURE ITALY
EQUIPMENT INSTRUCTION MANUAL, ORIGINAL PACKAGING
  • Extended chemical compatibility: works with acids, bases, solvents, and aggressive products
  • Viton diaphragms: maximum chemical resistance for multi-year durability
  • Polypropylene and stainless steel hydraulic parts: no corrosion where aluminum would fail
  • Integrated pressure regulator: precise application control
  • Dual outlet ready: possible connection of a second spray lance
  • Italian Comet production: reliability, quality, spare parts available in Europe
  • Available as pump only or electric motor pump: maximum integration flexibility
  • Electric version: zero emissions, silent, immediate start, minimal maintenance
  • Wide application range: agriculture, industrial sanitization, construction, de-icing, aquaculture
  • Long-term investment: superior durability compared to a standard pump
  • Operational safety: no pump degradation in contact with the treated product

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DAL DEGAN will be exhibiting at EIMA 2026

Hall 37 – Stand C16

Bologna, Italy | 10–14 November 2026