Conflat CF 1.33” (DN16) Bolt Down Flange with 8-32 UNC Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 1.33 inch (DN16) vacuum flange with 8-32 UNC blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-0060. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

Conflat CF 2.75” (DN35) Bolt Down Flange with 1/4-28 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 2.75 inch (DN35) vacuum flange with 1/4-28 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-0150. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

These Ideal Vacuum UltraLock™ manually operated gate valves have a Conflat CF 2.75 inch (DN CF35) vacuum flange with 1/4-28 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. These small manually operated vacuum gate valves are built using a lever linkage locking mechanism. They have a typical life of 100,000 cycles before needing service and are made with corrosion resistant 304 stainless-steel gates and valve bodies. UHV vs HV Versions: Our Conflat CF flanged gate valves are UHV rated. The bellows are welded to the bonnet plate, and oxygen-free, high-thermal conductivity (OFHC) copper sealing gaskets and flange knife-edges form the required metal-to-metal seal between the bonnet plate and valve body. Our Conflat UHV UltraLock valves have a low leak rate of

Conflat CF 3.375” (DN50) Bolt Down Flange with 5/16-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 3.375 inch (DN50) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-0200. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

These Ideal Vacuum UltraLock™ manually operated gate valves have a Conflat CF 4.5 inch (DN CF63) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. Our new UltraLock series of premium manually operated vacuum gate valves are built using an innovative ball-and-groove locking mechanism and have a typical life of 100,000 cycles before needing service. They are made with corrosion resistant 304 stainless-steel gates and valve bodies. All of our UltraLock series of manually operated gate valves include a visible external position indicator - the white ring conveniently mounted below the actuator.

Conflat CF 4.5” (DN63) Bolt Down Flange with 5/16-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 4.5 inch (DN63) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-0250. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

Conflat CF 6.0” (DN100) Bolt Down Flange with 5/16-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 6.0 inch (DN100) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-0400. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

These Ideal Vacuum UltraLock™ manually operated gate valves have a Conflat CF 6.0 inch (DN CF100) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. Our new UltraLock series of premium manually operated vacuum gate valves are built using an innovative ball-and-groove locking mechanism and have a typical life of 100,000 cycles before needing service. They are made with corrosion resistant 304 stainless-steel gates and valve bodies. All of our UltraLock series of manually operated gate valves include a visible external position indicator - the white ring conveniently mounted below the actuator.

Conflat CF 8.0” (DN150) Bolt Down Flange with 5/16-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 8.0 inch (DN150) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-0600. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

Conflat CF 10.0” (DN200) Bolt Down Flange with 5/16-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 10.0 inch (DN200) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-0800. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

Conflat CF 12.0” (DN250) Bolt Down Flange with 5/16-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 12.0 inch (DN250) vacuum flange with 5/16-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-1000. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

Conflat CF 14.0” (DN300) Bolt Down Flange with 3/8-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 14.0 inch (DN300) vacuum flange with 3/8-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-1200. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.

Conflat CF 13.25” (DN275) Bolt Down Flange with 3/8-24 UNF Threads. These HVA brand manually operated series 11000 gate valves are made in the U.S.A and have a Conflat CF 13.25 inch (DN275) vacuum flange with 3/8-24 UNF blind-tapped holes. They are rated for ultra-high vacuum (UHV) and follow vacuum technology standards for knife-edge flanges as described in ISO 3669:2020. HVA Part Number: 11120-1070. HVA manually operated ultra-high vacuum gate valves feature a positive lock-over center mechanism for a vacuum-tight seal. Gate seals are made of Viton fluoroelastomer (FKM) material. Bonnet seals are made of OFHC Copper. Bellows are welded to the bonnet for leak-free operation. 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.