Quick Clamp with Ratchet Closure KF-25 Vacuum Fittings, ISO-KF Flange Size NW-25, Aluminum with Black Finish These KF-25 Quick Clamp with Ratchet Closure vacuum fittings follow ISO-KF standards and have a flange size of NW-25. They are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of Aluminum. KF-25 Quick Clamp with Ratchet Closure ISO-KF Flange Size: NW-25 Common Dimensions: A=2.13 (54mm), B=2.85 (72mm), C=3.38 (86mm)

Quick Clamp with Ratchet Closure KF-10 KF-16 Vacuum Fittings, ISO-KF Flange Size NW-10 NW-16, Aluminum with Black Finish These KF-10KF-16 Quick Clamp with Ratchet Closure vacuum fittings follow ISO-KF standards and have a flange size of NW-10 NW-16. They are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of Aluminum. KF-10 KF-16 Quick Clamp with Ratchet Closure ISO-KF Flange Size: NW-10 NW-16 Common Dimensions: A=1.57 (40mm), B=2.45 (62mm), C=3.12 (79mm)

Quick Clamp with Ratchet Closure KF-40 Vacuum Fittings, ISO-KF Flange Size NW-40, Aluminum with Black Finish These KF-40 Quick Clamp with Ratchet Closure vacuum fittings follow ISO-KF standards and have a flange size of NW-40. They are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of Aluminum. KF-40 Quick Clamp with Ratchet Closure ISO-KF Flange Size: NW-40 Common Dimensions: A=2.67 (68mm), B=3.53 (89mm), C=3.67 (93mm)

Quick Clamp with Ratchet Closure KF-50 Vacuum Fittings, ISO-KF Flange Size NW-50, Aluminum with Black Finish These KF-50 Quick Clamp with Ratchet Closure vacuum fittings follow ISO-KF standards and have a flange size of NW-50. They are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of Aluminum. KF-50 Quick Clamp with Ratchet Closure ISO-KF Flange Size: NW-50 Common Dimensions: A=3.54 (90mm), B=4.80 (122mm), C=4.42(112mm)