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Glass Expansion high vacuum glass valves are renowned for their high precision and quality and are used by leading atmospheric research organisations worldwide. They incorporate glass pistons and are available in either the right angle or straight line configuration with either PTFE or Viton o'rings. They have been tested to 10-8Torr and are suitable for use at low temperature. All Glass valves are made from borosilicate glass sub type is "Boro 3.3 (Duran)".
The valves listed here have the standard bore size of 8mm and there is no minimum order quantity for 8mm valves. Bore sizes of 1mm - 7mm can also be supplied upon request.
Part Number Description Right Angle Valve K2B1-08 Right Angle Valve with Standard Cap and all PTFE O'Rings K3B1-08 Right Angle Valve with Standard Cap and all Viton O'Rings RK2B1-08 Right Angle Valve with Ratchet Cap and all PTFE O'Rings RK3B1-08 Right Angle Valve with Ratchet Cap and all Viton O'Rings B1-08 Replacement Glass Body for Right Angle Valve Straight Line Valve K2B3-08 Straight Line Valve with Standard Cap and all PTFE O'Rings K3B3-08 Straight Line Valve with Standard Cap and all Viton O'Rings RK2B3-08 Straight Line Valve with Ratchet Cap and all PTFE O'Rings RK3B3-08 Straight Line Valve with Ratchet Cap and all Viton O'Rings B3-08 Replacement Glass Body for Straight Line Valve Replacement Piston and Cap K2 Standard Cap with all PTFE O'Rings K3 Standard Cap with all Viton O'Rings RK2 Ratchet Cap with all PTFE O'Rings RK3 Ratchet Cap with all Viton O'Rings PNK3 Pneumatic Valve Key (key only, no valve) R1 Constant Torque Ratchet
Fits over Ratchet Cap to prevent over tightening.
Valve Replacement O'Rings V-007 Viton O'Rings (PKT 10)
A light application of silicone vacuum grease should be used with Viton O'Rings.
T-007 PTFE Teflon O'Rings, back seal only (PKT 10) T-007F PTFE Teflon O'Rings, front seal only (PKT 10) 604-0065 O'Rings Replacement Tool