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$
900
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Condition: New
Location: Milpitas,CA,USA
$
850
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Condition: New – Open box
Location: Milpitas,CA,USA
$
950
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Condition: Used
Location: Milpitas,CA,USA
MKS Instruments 253B-12931 Exhaust Control Throttle Valve Heated version Model# 253B-12931 KF40 flange size. Nominal 1.27 inch ID, Flapper has T eflon ... moreO- ring seals 45 ohm resistors poss 5-20 watt? mounted on external heat sink The external connector on one side of the heat sink is a Molex style connector. Internally. There is a standard MKS DB15 15 pin connector/ cable to drive the servo motor for the valve so it can be used for heated or non-heated applications. MKS 253 Exhaust Throttle Valve modulates pumping of gas from a processing chamber. The valve plate is rotated to modulate gas pumping flow. Controlling process chamber pressure. The MKS 253 has a patented non-linear actuator placed between the flapper shaft and the motor drive shaft. Providing a linear valve conductance characteristic and repeatable process pressure control. Condition: Looks brand new. Just with minor shelf wear, but we don't know it's history so we're listing as used. No box or paperwork. Came to us in a bulk lot of spare parts. What you see is what you get! Pictures are taken at the time of listing. If it's not in the photos. It's not included in the lot, unless otherwise stated directly in the ad. Sorry! You can't have the tape measure. We're still using it. Available for local pick up at our office in Hayward. California Shipping quoted includes any packaging& handling fees plus UPS Ground(5-7 days) Insured, to the lower 48 States only. Orders to Hawaii& Alaska will be filled only if item can be shipped by US Postal Flat Rate Box. Puerto Rico orders will ship by USPS Parcel Post and cannot be tracked after they have left the United States. If you need it shipped elsewhere. Please contact us for a shipping quote. Depending on your location, your shipping may be less, in which case we will refund the difference. Returns are accepted within 14 days. Re-stocking fees may apply. Please see our full return policy for details. If there is any problem with your order. Please contact us! We’re happy people
$
2,500
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Condition: New
Location: Milpitas,CA,USA
$
350
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Condition: Used
Location: Milpitas,CA,USA
$
1,500
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Condition: New
Location: Milpitas,CA,USA
$
50
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Condition: New – Open box
Location: Milpitas,CA,USA
$
2,500
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Condition: New – Open box
Location: Milpitas,CA,USA
$
1,350
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Condition: Used
Location: Milpitas,CA,USA
$
1,500
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Condition: Used
Location: Milpitas,CA,USA
$
1,500
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Condition: Used
Location: Milpitas,CA,USA
$
750
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Condition: New
Location: Milpitas,CA,USA
$
1,350
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Condition: Used
Location: Milpitas,CA,USA
$
1,100
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Condition: New
Location: Milpitas,CA,USA
$
1,500
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Condition: Used
Location: Milpitas,CA,USA
$
1,400
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Condition: New
Location: Milpitas,CA,USA
$
330
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Condition: Used
Location: Milpitas,CA,USA
$
1,295
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Condition: Used
Location: Milpitas,CA,USA
$
1,350
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Condition: Used
Location: Milpitas,CA,USA
$
1,450
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Condition: Used
Location: Milpitas,CA,USA
$
2,400
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Condition: New
Location: Milpitas,CA,USA
$
1,350
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Condition: New
Location: Milpitas,CA,USA
$
1,750
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Condition: New
Location: Milpitas,CA,USA
$
1,850
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Condition: New
Location: Milpitas,CA,USA
$
2,950
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Condition: New
Location: Milpitas,CA,USA
$
1,250
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Condition: New
Location: Milpitas,CA,USA
$
750
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Condition: New
Location: Milpitas,CA,USA
$
950
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Condition: Used
Location: Milpitas,CA,USA
$
850
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Condition: Used
Location: Milpitas,CA,USA
$
225
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Condition: New – Open box
Location: Milpitas,CA,USA
$
650
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Condition: New
Location: Milpitas,CA,USA
$
850
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Condition: Used
Location: Milpitas,CA,USA
$
1,450
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Condition: New – Open box
Location: Milpitas,CA,USA
$
1,450
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Condition: Used
Location: Milpitas,CA,USA
$
850
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Condition: New
Location: Milpitas,CA,USA
$
950
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Condition: New
Location: Milpitas,CA,USA
$
1,800
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Condition: New
Location: Milpitas,CA,USA
$
750
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Condition: New – Open box
Location: Milpitas,CA,USA
$
150
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Condition: New
Location: Milpitas,CA,USA
$
1,250
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Condition: Used
Location: Milpitas,CA,USA
$
750
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Condition: Used
Location: Milpitas,CA,USA
$
1,500
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Condition: Used
Location: Milpitas,CA,USA
$
2,500
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Condition: New
Location: Milpitas,CA,USA
$
650
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Condition: New
Location: Milpitas,CA,USA
$
695
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Condition: Used
Location: Milpitas,CA,USA
$
695
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Condition: Used
Location: Milpitas,CA,USA
$
2,500
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Condition: New
Location: Milpitas,CA,USA
$
800
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Condition: New – Open box
Location: Milpitas,CA,USA
$
1,250
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Condition: New
Location: Milpitas,CA,USA
$
450
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Free Shipping
Condition: Used
Location: Milpitas,CA,USA
$
1,650
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Condition: Used
Location: Milpitas,CA,USA
$
1,650
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$0 Shipping
Condition: Used
Location: Milpitas,CA,USA
$
900
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Condition: New – Open box
Location: Milpitas,CA,USA
$
1,500
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$0 Shipping
Condition: Used
Location: Milpitas,CA,USA
$
850
Buy It Now
$0 Shipping
Condition: New
Location: Milpitas,CA,USA
$
950
Buy It Now
$0 Shipping
Condition: Used
Location: Milpitas,CA,USA
$
2,500
Buy It Now
$0 Shipping
Condition: New
Location: Milpitas,CA,USA
$
900
Buy It Now
$0 Shipping
Condition: Used
Location: Milpitas,CA,USA
$
1,350
Buy It Now
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Condition: Used
Location: Milpitas,CA,USA
$
950
Buy It Now
$0 Shipping
Condition: New
Location: Milpitas,CA,USA
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