Enclosed Camshaft BPE Pumps
A typical stamping is BPE6B90S420/3S6168XE
B – British Made
P – Injection Pump
E – Enclosed camshaft type
6 – Number of pumping elements
B – Pumps size letter (i)
90 – Element plunger diameter
S – Design, change letter (iv)
420 – Assembly numbers (ii)
/3 – Index number indicating fitment of blanking cover instead of feed pump
S6168 – Special features number
XE – Suffix letters (iii)
i) Pump size letters, and element plunger diameters in tenths of mm.
A = 7 mm. plunger stroke 40, 50, 60, 65 (iv)
B = 10mm. plunger stroke 50, 60, 65, 70, 75, 80, 90, 100
Z = 12mm. plunger stroke 100, 110, 120, 130, 140
C = 15mm. plunger stroke 100, 110, 120, 130, 140, 150, 160, 180
ii) Assembly numbers (BPE pumps) only
Hundreds figures:
Camshaft notch at No.l end. No fuel feed pump flange on pump housing
Camshaft notch at No. 2 end. No fuel feed pump flange on pump housing
Camshaft notch at No.l end. Fuel feed pump can be fitted
Camshaft notch at No.2 end. Fuel feed pump can be fitted
Ten figures:
0 – Without governor
1 – With governor at No.l end
2 – With governor at No.2 end
Unit figures:
0 – Without Injection advance device
1 – with injection advance, device at No.l end
2 – With injection advance device at No.2 end
iii.) Suffix letters at end of symbol
X – Fully supported delivery valve washers used in conjunction with reduced volume delivery valves
E – Standard excess fuel device fitted
EL – Non standard excess fuel device fitted
M – External components marine finished (This suffix is Used on all fuel injection products)
iv) Design change letter “P” or “R” as allied to BPA pumps only, indicates the use of a pump housing suitable for the “P” range of stepped barrel elements in diameters.7.0, 7.5, 8.0 and 9.0mm
