Festo HGL-1/2-B

The Piloted Non-Return Valve HGL-1/2-B is designed to provide reliable and efficient control in pneumatic systems. This valve features an unlockable check valve function, allowing for controlled and safe operation. With pneumatic connections of G1/2 and a pilot air port of G3/8, it is suitable for a wide range of applications.

Constructed with high-quality materials, including a wrought aluminum alloy hollow bolt and die-cast zinc swivel joint, this valve ensures durability and longevity. The seals and non-return collar are made from NBR, providing excellent resistance to wear and tear. The valve is also RoHS-compliant, ensuring it meets environmental and safety standards.

The HGL-1/2-B operates within a pressure range of 0.5 to 10 bar and can handle ambient temperatures from -10°C to 60°C. It is compatible with compressed air as per ISO 8573-1:2010 [7:4:4], and can be used with oil lubrication if required. The valve's corrosion resistance class is rated at CRC 2, making it suitable for moderate corrosion stress environments.

With a standard flow rate of 2100 l/min and a nominal flow rate of 1600 l/min, this valve ensures efficient and reliable performance. It is also classified as cleanroom class 4 according to ISO 14644-1, making it suitable for use in cleanroom environments.

Applications: The HGL-1/2-B is ideal for use in various industrial pneumatic systems, including automation, manufacturing, and process control, where reliable and controlled air flow is essential.