Sleeve the pressure causes the disc

the pressure causes the disc or ball to seat back against the valve body

helps maintain a tight seal within the cylinder

Shims allow for precise adjustments without needing to replace the entire cylinder liner assembly

Raised face flanges are commonly used in high-pressure applications (like fuel and lubrication systems)

Sleeve the pressure causes the discStock information: This part is usually in stock at 4TaKT Engineering & Diesel Components BV. Part number 165013 is a sleeve for the Wartsil 20 series engines for models 4L20, 5L20, 6L20, 8L20 and 9L20. These sleeves are manufactured to high quality standards, meet OE specifications to ensure compatibility and performance. Contact 4TaKT Engineering & Diesel Components BV for detailed specifications, purchase options and installation guidelines for the