CF Kf ISO Conflat Vacuum Flange

• Standard: ANSI
• Type: Threaded Connection Flange
• Material: Stainless Steel
• Structure: Flanges
• Connection: Screws
• Sealing Surface: MFM
• Manufacturing Way: Forging
• Surface Treatment: Polished on Request
• Quality Guarantee: 100% Ut Passed
• Mill′s Certificat: En10204 3.1
• Transport Package: in Wooden Case
• Specification: up to 4 inch
• Trademark: Kingmetal
• Origin: China
• Production Capacity: 50000ton/Month

Product Description

CF KF ISO Conflat Vacuum Flange  

Product Introduction

CF flange is a flange connector used for super vacuum, is a metal seal, is able to bear with high temperature baking.

It's made by 304, 316 etc. Stainless steel.

Dimensions including DN16,40,63,100,160,200,250.

Seal commonly in Viton,PTFE,Oxygen Free Copper  OFC. Suitable for 10-12mbar(1000-1200Pa)

Technical standard
GB/T 6070-2007  suitable for Vacuum Flange dimension 
GB/T 6071-2003  suitable for Super Vacuum Flange 


Accept OEM, ODM,OBM

Lead time: 7 days Min.

Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.