High Vacuum Glass Valves

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.

Ordering Information

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