Page 109 - Schroeder - Hydraulic And Lube Filtration

Base-Ported Pres sure Filter KF50

Type Fluid Appropriate Schroeder Media Fluid NF30
Petroleum Based Fluids All E media (cellulose), Z-Media and ASP Media (synthetic) Compatibility
®
®
High Water Content All Z-Media and ASP Media (synthetic) NFS30
Invert Emulsions 10 and 25 µ Z-Media (synthetic), 10 µ ASP Media
®
Water Glycols 3, 5, 10 and 25 µ Z-Media (synthetic) and all ASP Media (synthetic) YF30
®
®
Phosphate Esters All Z-Media and ASP Media (synthetic) with H (EPR) seal designation and 3
and 10 µ E media (cellulose) with H (EPR) seal designation
®
Skydrol ® 3, 5, 10 and 25 µ Z-Media (synthetic) and all ASP Media (synthetic) with H.5 seal CFX30
designation and W media (water removal) 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. PLD
Flow Capacity
Element DF40
Flow capacity selections are predicated on the use of 150 SUS Selection
Pressure Series Part No. (32 cSt) petroleum based fluid and a 40 psi (2.8 bar) bypass valve. Based on CF40
K3 1K3 2K3† 3K3 See MKF50 Pressure Drops
E K10 1K10 2K10† 3K10† 3K10† See MKF50
Media PF40
K25 1K25 2K25†
To KZ1 1KZ1 2KZ1† 3KZ1† RFS50
5000 psi
(345 bar) KZ3 1KZ3/KAS3/KKAS3/27KAS3 2KZ3† 3KZ3†
Z- KZ5 1KZ5/KAS5/KKAS5/27KAS5 2KZ5† 3KZ5† RF60
Media ®
KZ10 1KZ10/KAS10/KKAS10/27KAS10 2KZ10† 3KZ10†
KZ25 1KZ25 2KZ25† CF60
gpm 0 25 50 75 100 125 150
Flow CTF60
(L/min) 0 100 200 300 400 500 570
† Double and triple stacking of K-size elements can requires 2" porting (P32) VF60
be replaced by single KK & 27K elements, respectively.

Shown above are the elements most commonly used in this housing. LW60
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. KF30
∆P housing ∆P element Pressure TF50
KF50 ∆P housing for fluids with sp gr = 0.86: ∆P element = flow x element ∆P factor x viscosity factor Drop
Information
El. ∆P factors @ 150 SUS (32 cSt): Based on KF50
1K 2K/KK 3K/27K Flow Rate
K3 .25 .12 .08 and Viscosity KC50
K10 .09 .05 .03
K25 .02 .01 .01 MKF50
KZ1 .20 .10 .05
KZ3/KAS3/KKAS3/27KAS3 .10 .05 .03
KZ5/KAS5/KKAS5/27KAS5 .08 .04 .02 KC65
KZ10/KAS10/ .05 .03 .02
KKAS10/27KAS10 NOF30-05
KZ25 .04 .02 .01
KZX10 .08 .04 .03 NOF50-760
sp gr = specific gravity 1K 2K
Sizing of elements should be based on element flow KZW1 .43 FOF60-03
information provided in the Element Selection chart above. KZW3 .32 .16
KZW5 .28 .14 NMF30
∆P filter = ∆P housing + ∆P element KZW10 .23 .12
Exercise: KZW25 .14 .07 RMF60
Determine ∆P at 50 gpm (190 L/min) for If working in units of bars & L/min, divide above factor
by 54.9.
KF501KZ3PD5 using 200 SUS (44 cSt) fluid. Viscosity factor: Divide viscosity by 150 SUS (32 cSt).
Cartridge
Solution: Elements
∆P housing = 3.0 psi [.20 bar]
∆P element = 50 x .10 x (200÷150) = 6.7 psi HS60
or
= [190 x (.10÷54.9) x (44÷32) = .48 bar]
∆P total = 3.0 + 6.7 = 9.7 psi MHS60
or
= [.20 + .48 = .68 bar] KFH50

SCHROEDER INDUSTRIES 107