Page 301 - Schroeder - Hydraulic And Lube Filtration
P. 301
SAME DAY SHIPMENT MODEL AVAILABLE! Spin-On Filter PAF1
Type Fluid Appropriate Schroeder Media Fluid IRF
Petroleum Based Fluids 10 µ E media (cellulose) and 25 µ Z-Media (synthetic) Compatibility TF1
®
High Water Content 10, 25 µ Z-Media (synthetic)
®
Invert Emulsions 10, 25 µ Z-Media (synthetic) KF3
®
Water Glycols 10, 25 µ Z-Media (synthetic)
®
KL3
Element Element LF1–2"
Part Element selections are predicated on the use of 150 SUS (32 cSt) Selection
Pressure Series No. petroleum based fluid and a 30 psi (2.1 bar) bypass valve. Based on MLF1
Flow Rate
E
To Media P10 P10
100 psi PZ10 PZ25 RLD
(7 bar) Z-
Media ® PZ25 PZ10 GRTB
gpm 0 10 20
Flow
(L/min) 0 25 50 75
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
KFT
Pressure
∆P housing ∆P element
Drop RT
PAF1 ∆P housing for fluids with sp gr = 0.86: ∆P element = flow x element ∆P factor x viscosity factor Information
El. ∆P factors @ 150 SUS (32 cSt): Based on RTI
P10 .17 Flow Rate
and Viscosity
PZ25 .15 LRT
If working in units of bars & L/min, divide above ART
factor by 54.9.
Viscosity factor: Divide viscosity by 150 SUS (32 cSt).
BFT
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 10 gpm (38 L/min) for Accessories
PAF16P10SY2 using 200 SUS (44 cSt) fluid. for Tank-
Solution: Mounted
∆P housing = 2.0 psi [.18 bar] Filters
∆P element = 10 x .17 x (200÷150) = 2.3 psi
or
= [38 x (.17÷54.9) x (44÷32) = .16 bar] PAF1
∆P total = 2.0 + 2.3 = 4.3 psi
or MAF1
= [.18 + .16 = .34 bar]
MF2
SCHROEDER INDUSTRIES 299

