Product Name: Stainless Steel Centering Ring Kf16-Kf50 Vacuum Fittings & O-Ring Model NO.: EXCR-1002 Head Type: Round Surface Treatment: Finish Connection: Vacuum Material: Stainless Steel Standard: Vacuum Fitting Trademark: NO Transport Package: Carton/Small Bag Specification: KF10-KF50 Origin: Wenzhou, China HS Code: 730729 Product Description Stainless Steel Centering Ring with Buna O-ringPackaging &DeliveryPackaging Details: standard export packaging (as per customer's specification)Delivery Details: Within 7-10 daysProduct Desciption1 Size: KF10 - KF502. Material: AISI304, AluminumThese Centering Ring vacuum fittings are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble.please inform us if you have any futher questionCONTACTOR : IVOR SOMOBILE PHONE :86-13676512778SkypeWeiChat: 86-13676512778