Page 41 - Schroeder - Fuel Filtration

Bulk Diesel Fuel Coalescing Filter QCF

Element ICF
Coalescing Element Pressure Side Coalescing
Max Flow Single Pass Water Removal Efficiency Coalescing
C396Z5V 70 gpm ≥ 99.5% Performance BDF
Information
Note: Element Sold BDFA
Based on ULSD15 with 27 Dynes/cm surface tension and 0.25% (2500 ppm) water injection
with Housing
BDA
Flow Direction: Inside Out
Element Nominal Dimensions: 6.4” (163 mm) O.D. x 39.4” (1001 mm) long
QCF
QCF
BDS

BDS2

BDS3

BDS4
ΔP ΔP Pressure
housing element
QCF ΔP for fluids with sp gr= 0.86 ΔP = flow x element ΔP factor x viscosity factor Drop LVH-F
housing element
Flow L/min El. ΔP factors @ 37 SUS (3 cSt). Information
C396Z5V = .17 Based on LVH-C
(50) (100) (150) (200) (250)
10 (0.68) If working in units of bars & L/min, divide above factor by 54.9. Flow Rate
and BDFC
8
Viscosity factor: Divide viscosity by 37 SUS (3 cSt). Viscosity
(0.45)
∆P in psi 6 4 ∆P (bar) BDC

(0.22)
HDP-BC
2
HDP-HT
0
0 10 20 30 40 50 60 70
Flow gpm
EPM
sp gr = specific gravity
EPTT

EWU

BCC

Notes ΔP filter = ΔP housing + ΔP element

Exercise: Determine ΔP at 70 gpm (265 L/min) for
QCFC5V24VM
Solution:
ΔP = 9.2 psi = [ 0.63 bar]
housing
ΔP = 70 x 0.17 = 11.9 psi [.82 bar]
element

ΔP = 9.2 + 11.9 = 21.1 psi [1.46 bar]
total

SCHROEDER INDUSTRIES | FUEL FILTRATION 41