Page 305 - Schroeder - Hydraulic And Lube Filtration

Spin-On Filter MAF1

Type Fluid Appropriate Schroeder Media Fluid IRF
Petroleum Based Fluids All E media (cellulose) and Z-Media (synthetic) Compatibility TF1
®
High Water Content 3 and 10 µ Z-Media (synthetic)
®
Invert Emulsions 10 µ Z-Media (synthetic) KF3
®
®
Water Glycols 3 and 10 µ Z-Media (synthetic)
KL3

LF1–2"
Element Element selections are predicated on the use of 150 SUS (32 cSt) Element
Pressure Series Part No. petroleum based fluid and a 30 psi (2.1 bar) bypass valve. Selection MLF1
Based on
E M3 M3 See RLT Flow Rate
To Media M10 M10 See RLT RLD
100 psi
(7 bar) Z- MZ3 MZ3 See RLT
Media ® MZ10 MZ10 See RLT GRTB
gpm 0 10 20 30 40 50
Flow
(L/min) 0 50 100 150 190 MTA

Shown above are the elements most commonly used in this housing. MTB
Note: Contact factory regarding use of E media in High Water Content, Invert Emulsion and Water Glycol
Applications. For more information, refer to Fluid Compatibility: Fire Resistant Fluids, pages 19 and 20. ZT

Pressure KFT
∆P housing ∆P element
Drop
MAF1 ∆P housing for fluids with sp gr = 0.86: ∆P element = flow x element ∆P factor x viscosity factor Information RT
El. ∆P factors @ 150 SUS (32 cSt): Based on
7M3 .23 Flow Rate RTI
and Viscosity
7M10 .14
7MZ3 .22 LRT
7MZ10 .17
ART
If working in units of bars & L/min, divide above factor
by 54.9. BFT
Viscosity factor: Divide viscosity by 150 SUS (32 cSt).
QT

sp gr = specific gravity KTK

Sizing of elements should be based on element flow information provided in the Element Selection chart above.
LTK

Notes ∆P filter = ∆P housing + ∆P element MRT
Exercise:
Determine ∆P at 25 gpm (95 L/min) for Accessories
MAF17M3P using 200 SUS (44 cSt) fluid. for Tank-
Mounted
Solution: Filters
∆P housing = 1.0 psi [.08 bar]
∆P element = 25 x .23 x (200÷150) = 7.7 psi
or PAF1
= [95 x (.23÷54.9) x (44÷32) = .54 bar]
∆P total = 1.0 + 7.7 = 8.7 psi MAF1
or
= [.08 + .54 = .62 bar]
MF2

SCHROEDER INDUSTRIES 303