ASA ANSI 2 in. Bolt Down Flange with 3/8-16 UNC Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have an ASA ANSI 2 inch vacuum flange with 3/8-16 UNC blind-tapped holes. They are rated for high vacuum (HV) and follow vacuum technology standards as described in DIN 28404 and ISO 1609. HVA Part Number: 11110-0201 . HVA ASA 2 inch gate valves connect/mate to other ASA flange faces via a special ASA gate valve sleeve and bolt kit, part number: P107353 located on this website. HVA manually operated vacuum gate valves feature a positive lock-over center mechanism with gate, bonnet, and bellows seals of Viton fluorelastomer (FKM) material. They are made with corrosion resistant 304 stainless-steel gates and valve bodies and have a typical life of 100,000 cycles (depending on the process) before needing service.

ASA ANSI 4 in. Bolt Down Flange with 3/8-16 UNC Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have an ASA ANSI 4 inch vacuum flange with 3/8-16 UNC blind-tapped holes. They are rated for high vacuum (HV) and follow vacuum technology standards as described in DIN 28404 and ISO 1609. HVA Part Number: 11110-0401. HVA ASA 4 inch gate valves connect/mate to other ASA flange faces via a special ASA gate valve sleeve and bolt kit, part number: P107354 located on this website. HVA manually operated vacuum gate valves feature a positive lock-over center mechanism with gate, bonnet, and bellows seals of Viton fluorelastomer (FKM) material. They are made with corrosion resistant 304 stainless-steel gates and valve bodies and have a typical life of 100,000 cycles (depending on the process) before needing service.

ASA ANSI 6 in. Bolt Down Flange with 3/4-10 UNC Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have an ASA ANSI 6 inch vacuum flange with 3/4-10 UNC blind-tapped holes. They are rated for high vacuum (HV) and follow vacuum technology standards as described in DIN 28404 and ISO 1609. HVA Part Number: 11110-0401. HVA manually operated vacuum gate valves feature a positive lock-over center mechanism with gate, bonnet, and bellows seals of Viton fluorelastomer (FKM) material. They are made with corrosion resistant 304 stainless-steel gates and valve bodies and have a typical life of 100,000 cycles (depending on the process) before needing service.