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Condition:
  New
Part Number:
  p107287
Warranty:
  Against Product Defect

Available Now:  54   Replacement Copper Poppet Seal for Caliente Xtreme Bakeable UHV Angle Valve, 2-3/4 In. CF Flange 56


Sale: $56.00


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Replacement Copper Poppet Seal for Caliente Xtreme Bakeable UHV Angle Valve, 2-3/4 In. CF Flange


Copper Poppet Seal for Caliente Xtreme Bakeable UHV All Metal Valve Angle Valve SS, 2-3/4, 2.75 Inch CF Flange. Replacement for P107281

These replacement poppets seals are used in our all metal isolation seal angle valves are intended for use in UHV or cryogenic applications where temperature extremes preclude the use of our elastomer seal valves. Approved for use in beamline facilities, these valves have a temperature operating range from -250C to 400C. The pulled-port method is used for the fabrication of the stainless steel bodies resulting in higher conductance and better cleanliness.

The life of the copper poppet seal is dependent upon the temperature at which the valve is used. Maximum temperature bakeouts may require copper poppet seal replacement after 50 cycles, while hundreds of cycles are possible with moderate bakeouts. As many as 10,000 cycles have been obtained from the same seal during testing. A dial indicator at the top of the valve indicates the proper torque for closure and also when the seal should be replaced. The copper poppet seal is easily replaced by opening the valve with a slotted screw driver. The seal is removed through the side port and a new one replaced in a like manner.

After seal replacement the valve must be torqued to a higher value than during normal operation to make it seat. Do not exceed the maximum Torque Specifications. After closing the valve to its normal torque value loosen the set screw below the closure nut, rotate the indicator to the furthest counter-clockwise line on top of the valve and retighten the set screw. The valve may be closed to this mark indefinitely. Periodic checks with a torque wrench will indicate seat wear and the proper mark to use for alignment. When the indicator has reached the last mark we recommend seal replacement.

These All metal isolation valves are designed to have a low leak rate, typically on the order of 1x10-10 std. cc/sec UHV. These Isolation valves have a CF Conflat 2.75 inch Vacuum flange for connection to the vacuum system, are manually operated, and made of Stainless Steel.



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Ideal Vacuum Products, LLC
5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

Phone: (505) 872-0037
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