Stainless Steel High Vacuum In-line Valve Series Actuation XYC Shaft seal system Flange size 25, 40 50, 63, 80 Bellows seal Valve type Double acting Material Body: SCS13 (equivalent to stainless steel 304) Bellows: Stainless steel 316L Air operated XYC Stainless Steel High Vacuum In-line Valve Series Actuation XYD Shaft seal system Flange size 25, 40 50, 63, 80 Bellows/ O-ring seal Valve type Single acting (N.C.) Material Body: SCS13 (equivalent to stainless steel 304) Bellows: Stainless steel 316L Air operated XYD Stainless Steel High Vacuum In-line Valve Series Actuation XYH Shaft seal system Flange size Bellows seal 25, 40, 50 Valve type Manual Material Body: SCS13 (equivalent to stainless steel 304) Bellows: Stainless steel 316L Manual XYH High Vacuum Straight Solenoid Valve Series Valve type XSA Fluid Port size 1/4B, 3/8B Piping For VCRR/ SwagelokR Gas that will not corrode stainless steel (equivalent to stainless steel 405) Normally closed direct operated 2 port solenoid valve XSA High Vacuum Equipment High vacuum High vacuum High vacuum High vacuum 20