The SMC CDV3TN40-150-J59W-5WD CV3 Series Valve Mounted Cylinder Double Acting is designed for optimal performance and ease of use. This innovative cylinder features a valve mounted directly on a round cylinder, allowing for seamless integration and efficient operation. Some models come equipped with a built-in speed controller, providing precise control over the cylinder's speed. The combination of the cylinder and valve simplifies speed adjustments, making it an ideal choice for various applications. Additionally, the cylinder is compatible with an auto switch, enhancing its functionality and versatility. This product is part of the CV3 Series, which includes models such as CDVJ5, CDVJ3, CDVM5, CDVM5K, CDVM3, CDVM3K, CDV3, CDV3K, CDVS1, and CDVS1K, ensuring a wide range of options to suit your specific needs.