ELSA vacuum fittings are used to connect / disconnect repeatedly without affecting seal performance.
Materials: Body, nut and sleeve – 316 Stainless Steel O Ring – 70 durometer fluorocarbon (Viton, Fluorel)
Temperature Rating: Standard fluorocarbon O Ring – 25 O F to 400 O F (-32 O C to 200 O C)
O-Ring Sealant: O-Ring wetted with a thin film of silicone vacuum grease. Replaceable O-rings should be wetted with lubricants or sealants compatible with the system.
Testing: The ELSA Ultra-Torr design has been tested to a helium leak rate of 4 x 10 -9 std cm 3 /S.