Page 271 - Schroeder - Hydraulic And Lube Filtration

SAME DAY SHIPMENT MODEL AVAILABLE! Tank-Mounted Filter LRT

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 25 psi (1.7 bar) bypass valve. Selection
18LZ1 18LZ1 See BFT Based on RLD
Flow Rate
Return 18LZ3 18LZ3
Line ® 18LZ5 18LZ5
-Tank- Z-Media GRTB
Mounted 18LZ10 18LZ10
18LZ25 18LSZ25 MTA
gpm 0 25 50 75 100 125 150
Flow
(L/min) 0 100 200 300 400 570 MTB
Shown above are the elements most commonly used in this housing.
Note: Contact factory regarding use of E media in High Water Content, Invert Emulsion and Water Glycol ZT
Applications. For more information, refer to Fluid Compatibility: Fire Resistant Fluids, pages 19 and 20.
KFT
Pressure
∆P housing ∆P element
LRT ∆P housing for fluids with sp gr = 0.86: ∆P element = flow x element ∆P factor x viscosity factor Drop RT
El. ∆P factors @ 150 SUS (32 cSt): Information
Based on RTI
18L 18L Flow Rate
18LZ1 .10 18LDZ1 .12 and Viscosity LRT
18LZ3 .05 18LDZ3 .06
18LZ5 .04 18LDZ5 .05 ART
18LZ10 .03 18LDZ10 .03
18LZ25 .02 18LDZ25 .02
BFT
If working in units of bars & L/min, divide above QT
factor by 54.9.
Viscosity factor: Divide viscosity by 150 SUS (32 cSt).
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 120 gpm (455 L/min) for Accessories
LRT18LZ5P24Y2 using 200 SUS (44 cSt) fluid. for Tank-
Solution: Mounted
∆P housing = 3.0 psi [.20 bar] Filters
∆P element = 120 x .04 x (200÷150) = 6.4 psi
or
= [455 x (.04÷54.9) x (44÷32) = .45 bar] PAF1
∆P total = 3.0 + 6.4 = 9.4 psi
or MAF1
= [.20 + .45 = .65 bar]

MF2

SCHROEDER INDUSTRIES 269