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Stainless Steel Ball Valves (Manual)

Intended for high- and course-vacuum service.

  • Leak rate is less than 1x10-9 std. cc/sec. He.
  • Feature PTFE seats and fluorocarbon seals, both easily replaceable without demounting
  • When open, valves have an unrestricted bore, giving high gas conductance and making them useful in low-cost sample entry locks
  • When closed, main bore is pumped through a side vent hole

Specifications Table

Manufacturer A&N
Shaft Seal
Pressure Torr
Min: 1.000 x 10-8 Torr
Max: 760 Torr

Min: 1.330 x 10-8 mbar
Max: 1.01 mbar

1.00 atm
Helium Leak Rate 1.010 x 10-9 mbar*L/s
7.600 x 10-10 Torr*L/s
1.000 x 10-10 Pa*m^3/s
1.000 x 10-9 sccs
Temperature Intermittent Bake
392 ºF
200 ºC

302 ºF
150 ºC

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  • Ball valves can be very "stiff" upon initial operation, this is normal.

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Ordering Table

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Flange Selection Guide
With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
Can't find the flange you need or want a custom configuration? Please call us at +1 412 387 9200 or email with your inquiry.
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Contact Us - Stainless Steel Ball Valves (Manual)