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11.9

Model DFP-3000 Diffusion Pump

Key High's model DFP-3000 is a stainless steel body that is air cooled, fast warming and of compact design. The DFP-3000 diffusion pump is suitable for any mobile or fixed pumping station. Applications include altitude simulation, evaporators and leak detectors allow it to be the ideal pump providing trouble free service for many years. The jet assembly features a full fractionating design to ensure constant fractioning of the fluid, providing long stable performance. Key High's DFP-3000 is designed to achieve the best possible pumping speed with a minimum backstreaming.
  • Air cooled
  • Compact design
  • Low cost

Dimensional Data

Dimensional Data

Dimensional Data

Dimensional Data

 

Performance Chart Air Speed L/S

Performance Chart Air Speed L/S

Performance Chart Air Speed L/S

Performance Chart Air Speed L/S

 

Inlet Pressure - Torr

PUMPING SPEED

Air 285 L/S
Helium 205 L/S
Max throughput .3 Torr L/S
Recommending backing pump 3.2 CFM
Warm up time 8 minutes
Cool down time 10 minutes
Fluid quantity 150 CC
Foreline connection 1" OD
Backstreaming rate < .001 mg/cm/min

 

PHYSICAL DATA

O.D. 6.0
I.D. 3.375
O ring 2-238
Four (4) holes .750 diameter on a 4.750 diameter bolt circle
Jet material Aluminum
Pump body material Stainless steel
Heater 110 volts / 250 watts
Product information is subject to change without notice. Product images may include options or accessories not included with the base model.

Precision Welded. Performance Proven.
For 50 years, Key High Vacuum Products, Inc. has been a trusted leader in precision-engineered stainless steel high vacuum weldments. With tens of thousands of unique weldments in use—from particle accelerators to industrial leak detectors—our expertise is proven across industries. Rooted in innovation, craftsmanship, and an unwavering commitment to customer satisfaction, we deliver high-quality, customized solutions that drive success. Every day, our team brings a unique blend of passion and precision, ensuring your goals are met with excellence—because your mission matters. Experience the Key High difference.
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Key High Vacuum Products, Inc.
36 Southern Boulevard, Nesconset, NY 11767
1-631-360-3970
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