A push-pull cable outer casing, also known as a control cable housing, is a protective covering used for push-pull cables in various applications, such as throttle controls, choke controls, or remote control mechanisms. It encloses and safeguards the inner cable, allowing for smooth operation and precise control. Here are some key points about push-pull cable outer casings:

1. Material: Push-pull cable outer casings are commonly made from durable and flexible materials, such as reinforced plastic or polymer composites. These materials provide strength, resistance to environmental factors, and flexibility for smooth cable movement.

2. Diameter: The diameter of the outer casing can vary depending on the specific application and the size of the inner cable. Common sizes range from 5mm to 8mm, although larger or smaller diameters may be used for specific applications.

3. Construction: Push-pull cable outer casings are typically constructed with multiple layers to provide strength, protection, and flexibility. The innermost layer may have a low-friction lining, such as Teflon or a similar material, to reduce friction and ensure smooth cable movement. The outer layers provide structural support and resistance to moisture, dirt, and abrasion.

4. Compression or Compressionless Design: Depending on the specific application and requirements, push-pull cable outer casings can be designed as compression-type or compressionless housing. Compression-type casings compress slightly when the cable is activated, transmitting force to the controlled component. Compressionless casings maintain their shape when compressed, providing precise control response.

5. End Fittings: Push-pull cable outer casings are equipped with end fittings or terminations designed to securely attach to the control mechanism and the component being controlled. These fittings ensure proper connection, prevent fraying or unraveling of the casing, and allow for easy installation and adjustment.

Proper installation and maintenance of push-pull cable outer casings are important for optimal performance. This includes securely attaching and routing the casing, inspecting for signs of wear or damage, and lubricating the inner cable as recommended by the manufacturer.

It's crucial to consult the manufacturer's guidelines or seek advice from a qualified professional to ensure you select the appropriate outer casing for your specific push-pull cable application. Different applications may have unique requirements, so following the manufacturer's recommendations will help ensure compatibility, safety, and optimal performance.