The Miselli Filler Cap NYPO-24 Series is designed for quick press-fit mounting on hydraulic components. Equipped with robust fastening clips, it is compatible with pipes having an external diameter of 39 mm and an internal diameter of 32 mm. It integrates a PPI 60 reticulated polyurethane foam air filter that guarantees a high air flow rate, up to 750 Lt/min. The red cover includes the “oil filling” symbol for immediate identification.
Hydraulic systems require extremely reliable accessory components to ensure proper operation, efficiency, and protection of internal fluids under any operating condition. The Miselli Filler Cap NYPO-24 Series represents an advanced technical solution, designed to specifically meet the needs of the sector. Designed to serve simultaneously as a filler cap and breather system, this component stands out for its innovative press-fit installation method and high-level fluid-dynamic performance.
Unlike traditional threaded closing systems, the NYPO-24 model adopts a special press-fit mounting system. Installation is quick, intuitive, and safe through the use of dedicated fastening clips integrated into the cap structure. This specific mechanical configuration has been engineered to interface perfectly with precise piping, specifically requiring an external pipe diameter of 39 mm and an internal diameter of 32 mm. The solid press-fit mechanism ensures extremely stable locking on the filler neck, effectively preventing any risk of accidental detachment, even in the presence of constant operating vibrations typical of machinery and complex hydraulic circuits.
From the standpoint of industrial ergonomics and functional design, this component is immediately recognizable thanks to its cover made in a vivid red color. A clear and unmistakable graphic symbol indicating the “oil filling” function is printed on the upper surface of the cover. This visual feature is essential in crowded industrial environments to prevent dangerous maintenance errors, ensuring that operators and technicians can quickly and unmistakably identify the correct access point for topping up or replacing lubricating fluids. As regards structural dimensions, the component has an overall external diameter (D) of 70 mm and a total length (L) of 49 mm, with overall dimensions h1 equal to 35 mm and h2 equal to 8 mm.
Particulate contamination of fluids is widely known as one of the main causes of malfunction and premature wear in hydraulic circuits. To actively counter this harmful phenomenon, the cap is equipped with a built-in air filter of excellent construction quality. The filtering element is made of a special polyester-based reticulated polyurethane foam. The technical specification of the filtering material used is strictly classified as PPI 60 (Pores Per Inch). This particular porosity density has been carefully calculated and designed to retain tiny impurities and airborne particulate matter from the working environment, while allowing optimal breathing of the hydraulic tank.
An efficient hydraulic tank needs to continuously compensate for sudden fluid volume changes caused by pump operation and cyclic thermal fluctuations. The Miselli Filler Cap NYPO-24 Series guarantees excellent breather capacity, offering a nominal air flow rate reaching the notable value of 750 Lt/min. This very high flow rate makes it absolutely suitable for use in heavy-duty industrial systems with significant return flows, preventing the formation of dangerous overpressure or vacuum inside the hydraulic system and safeguarding the structural integrity of the entire circuit. The product is guaranteed by Miselli reliability and supported by the fifty years of experience of Lube Team Hydraulic.
Summary technical table of the main characteristics of the Miselli Filler Cap NYPO-24 Series
| Feature | Value |
|---|---|
| Model | NYPO-24 |
| Mounting type | Press-fit with fastening clips |
| Compatible external pipe diameter | 39 mm |
| Compatible internal pipe diameter | 32 mm |
| Air filter | Built-in (PPI 60 polyester-based reticulated polyurethane foam) |
| Maximum air flow rate | Up to 750 Lt/min |
| Cover color | Red |
| Cover visual indication | “Oil filling” graphic symbol |
| External Diameter (D) | 70 mm |
| Length (L) | 49 mm |
| Dimension h1 | 35 mm |
| Dimension h2 | 8 mm |