
887 Challenger Series |
9
www.natvac.com | 800.253.5500
Application _______________________________________________________
Designed for extended operation
• Duty cycle will vary depending on several factors, such as altitude,
RPM, ballast opening level & ambient temperature�
• The 887 Challenger is a severe duty vacuum pump, designed to be
used in liquid waste pumping systems where extended operation is
desired�
• Proven applications are:
- Oil Field
- Septic
- Restaurant Grease
- Industrial Waste
Pump Specifications _____________________________________________
887 Challenger HP & Calculated Flow Data
887 CHALLENGER
Model-Specific
Information
RPM
Pressure (PSI)
Free
Flow
Vacuum (in Hg)
30 25 20 15 10
5
0
6
12 15 18 21 25 MAX
1200
HP
54 48 42 36 31 24
21
21 21 22 25 28 32
33
CFM
530
1100
HP
50 44 38 33 27 21
18
18 18 19 23 25 29
30
CFM
486
1000
HP
45 40 35 30 24 19
16
16 16 17 21 23 26
27
CFM
441
900
HP
41 37 31 27 22 17
14
14 14 15 19 21 24
25
CFM
400
Note: These values may vary based upon application specifics
(mainly ballast valve opening level)�