Page 231 - Schroeder - Hydraulic And Lube Filtration

Return Line Filter With 2" Ports LF1

Type Fluid Appropriate Schroeder Media Fluid IRF
®
Petroleum Based Fluids All E media (cellulose) and Z-Media (synthetic) Compatibility TF1
High Water Content All Z-Media (synthetic)
Invert Emulsions 10 and 25 µ Z-Media (synthetic) KF3
®
Water Glycols 3, 5, 10 and 25 µ Z-Media (synthetic)
®
Phosphate Esters All Z-Media (synthetic) with H (EPR) seal designation KL3
®
Skydrol ® 3, 5, 10 and 25 µ Z-Media (synthetic) with H.5 seal designation (EPR seals and ®
®
stainless steel wire mesh in element, and light oil coating on housing exterior) Skydrol is a registered
trademark of Solutia Inc.
LF1–2"
Element Element selections are predicated on the use of 150 SUS (32 cSt) Element MLF1
Pressure Series Part No. petroleum based fluid and a 30 psi (2.1 bar) bypass valve. Selection
Based on RLD
18LCZ1 18LCZ1 Flow Rate
To 18LCZ3 18LCZ3
300 psi Z- ® 18LCZ5 18LCZ5 GRTB
(20 bar) Media 18LCZ10 18LCZ10
18LCZ25 18LCZ25 MTA
gpm 0 60 80 100 120
Flow MTB
(L/min) 0 230 300 380 455
Shown above are the elements most commonly used in this housing.
ZT
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.
KFT
Pressure
∆P housing ∆P element RT
LF1-2" ∆P housing for fluids with sp gr = 0.86: ∆P element = flow x element ∆P factor x viscosity factor Drop
El. ∆P factors @ 150 SUS (32 cSt): Information RTI
Based on
Flow Rate
18LCZ1 .10
18LCZ3 .05 and Viscosity LRT
18LCZ5 .04
18LCZ10 .03
18LCZ25 .02 ART

If working in units of bars & L/min, divide above BFT
factor by 54.9.
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 40 gpm (150 L/min) for Accessories
LF118LCZ10S32D5 using 200 SUS (44 cSt) fluid.
for Tank-
Solution: Mounted
∆P housing = 1.0 psi [.07 bar] Filters
∆P element = 40 x .03 x (200÷150) = 1.6 psi
or
= [150 x (.03÷54.9) x (44÷32) = .11 bar] PAF1
∆P total = 1.0 + 1.6 = 2.6 psi
or MAF1
= [.07 + .11 = .18 bar]

MF2

SCHROEDER INDUSTRIES 229