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  • 7148 High Vacuum Valve, Straight, PTFE Plug, without Tip O-Ring - Manufactured by NDS Technologies, Inc.

These valves use PTFE plugs for vacuum applications up to 5 x 10¯7 Torr. Designed with a precision external thread for fine control. Full open position is at 1 1/2 turns. The shaft is non-rotating and a seal is made with a Viton o-ring on a tapered seat. PTFE shaft can tolerate system temperatures of 230ºC and intermittently at 275ºC.

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Item #

Product Name

Stopcock Bore Size

Approximate Stem Outer Diameter

Upper O-Ring

Pkg. Qty.

List Price

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N/A High Vacuum Valve, Straight, PTFE Plug, without Tip O-Ring N/A 2 mm N/A 8 mm N/A 5-105 N/A 1 $37.91 Add To Cart
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N/A High Vacuum Valve, Straight, PTFE Plug, without Tip O-Ring N/A 04 mm N/A 9 mm N/A 010 N/A 1 $44.35 Add To Cart
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N/A High Vacuum Valve, Straight, PTFE Plug, without Tip O-Ring N/A 8 mm N/A 13 mm N/A 110 N/A 1 $56.92 Add To Cart
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N/A High Vacuum Valve, Straight, PTFE Plug, without Tip O-Ring N/A 0-12 mm N/A 16 mm N/A 112 N/A 1 $114.97 Add To Cart
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