Page 267 - Schroeder - Hydraulic And Lube Filtration

Tank-Mounted Filter (Inside Out Flow) RTI

Type Fluid Appropriate Schroeder Media Fluid IRF
Petroleum Based Fluids All E media (cellulose), Z-Media and ASP media (synthetic) Compatibility TF1
®
®
High Water Content All Z-Media and ASP media (synthetic)
Invert Emulsions 10 and 25 µ Z-Media and 10 µ ASP media (synthetic) KF3
®
®
Water Glycols 3, 5, 10 and 25 µ Z-Media and all ASP media (synthetic)
®
Phosphate Esters All Z-Media (synthetic) with H (EPR) seal designation and KL3
all ASP media (synthetic)
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 LF1–2"
coating on housing exterior) and all ASP media (synthetic) Skydrol is a registered
trademark of Solutia Inc.
MLF1
Element Element selections are predicated on the use of 150 SUS (32 cSt) Element RLD
Pressure Series Part No. petroleum based fluid and a 25 psi (1.7 bar) bypass valve. Selection
Based on
Return Flow Rate GRTB
Line ® Z10 KI KKI 27KI
-Tank- Z-Media
Mounted MTA
gpm 0 90 105 120
Flow
(L/min) 0 340 400 455 MTB

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

∆P housing ∆P element Pressure RT
RT ∆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
KIZ10/KIAS10 .08 Based on
Flow Rate
KKIZ10/KKIAS10 .05 and Viscosity LRT
27KIZ1027KIAS10 .04
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

KTK
sp gr = specific gravity
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 80 gpm (300 L/min) for Accessories
RTIKKIZ10P24NN using 200 SUS (44 cSt) fluid. for Tank-
Solution: Mounted
∆P housing = 3.0 psi [.20 bar] Filters
∆P element = 80 x .05 x (200÷150) = 5.3 psi
or
= [300 x (.05÷54.9) x (44÷32) = .38 bar] PAF1
∆P total = 3.0 + 5.3 = 8.3 psi
or MAF1
= [.20 + .38 = .58 bar]

MF2

SCHROEDER INDUSTRIES 265