Industrial Vane Pumps - Corken

Appendix A—Model Number & Identification Code
CP-Series (low pressure)
Model Number
Base X X X X X X
Blade Type
Base Model # CPBN0521 CPBN0721 CPBF0721 CPBN1021 CPBF1021 CPBN1321 CPBF1321 CPBN1521 CPBF1521
Inlet* 2" NPT 2-1/2" NPT 3" ANSI 3" NPT 3" ANSI 4" NPT 4" ANSI 4" NPT 4" ANSI
300 LB 300LB 300LB 300LB
Outlet* 2" NPT 2-1/2" NPT 2" ANSI 3" NPT 2-1/2" ANSI 3" NPT 3" ANSI 4" NPT 3" ANSI
300 LB 300LB 300LB 300LB
Internal Relief
Valve
Yes Yes No (a) Yes No (a) Yes No (a) Yes No (a)
Ship Wt. (lbs) 121 138 145 170 170 194 205 194 205
F = 300 lb. ANSI flanges no internal relief valve N = NPT threaded flanges with internal relief valve
a) External by-pass required such as Corken model B177
*See flange options below for available sizes
Specification Fields
6 Blades with
Blade Drivers
Standard
H
Blade GCB-50 with
Material composite Standard G
push rods
O-Ring Buna-N Standard A
Material Neoprene ® No Charge Option B
Viton ® Optional D
PTFE Optional E
Buna-N w/Viton
Seal O-rings
Optional
L
Buna-N w/PTFE
Seal O-rings
Optional
M
Viton w/PTFE
Seal O-rings
Optional
N
Seal Seat Stainless Steel Optional 1
Material NI-Resist Standard 3
Flange Options WF=Slip-on weld flange All ANSI flanges are 300 lb.
Inlet Flange
Standard 2" NPT • E
2-1/2" NPT • J
3" NPT • M
3" ANSI • • P
4" NPT • • Q
4" ANSI • • S
No Cost 2-1/2" NPT • • J
3" NPT • • M
Extra Cost 2" WF • F
2-1/2" WF • • • K
3" WF • • • N
4" WF • • R
Outlet Flange
Standard 2" NPT • E
2-1/2" NPT • J
2" ANSI • H
2-1/2 ANSI • L
3" NPT • • M
3" ANSI • • P
4" NPT • Q
No Cost 1-1/2" NPT • C
2" NPT • • E
2-1/2" NPT • • J
3" NPT • • M
4" NPT • Q
Extra Cost 1-1/2" WF • D
2" WF • • • F
2-1/2" WF • • • K
3" WF • • • • N
4" WF • • R
Neoprene ® and Viton ® are registered trademarks of Dupont • - Available Option “Blank” - Not Available
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