Page 306 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

278 Applied Process Design for Chemical and Petrochemical Plants

Handle
Packing Assembly

Fluid Outlet

Optional
By-Pass Valve
Permanent
All Metal Stationary
Cleaning Blade

Disc
Spindle
Spacer

Figure 4-74. Edge-type filter with the exter-
nal on-line cleaning. Courtesy of AMF Corp.,
Cuno Div. L 'Drain Plug

Table 414
Physical Properties of Filter Media

8
I
2
~~
2p to 2p to lp to
Particle Retention:. ...... .I > loop > loop 4011
Contaminant Holding
Ability. ............... .I G to E E FtoG I GtoE F to E FtoE I FtoE FtoEIGtoEI G F to G
Permeability.. ........... .I G G -- G F
G
G
F
Temperature Limits (OF). ... I- F F G G E G E E E
Chemical Compatibility.. ...
-
450 I
200
450
700
200
300
250
200
200
__
200
~- __- ___-~ 1200
G
Strength. ................. I G F -___ G G G G :00 G G P E
E " 1 %
Abrasion Resistance.. ..... .I G G P E E E ____ __~__
F
E
G
E
Machineability
(Workabihty) ........... E E --I- F E E E E E F F
:I:
M 1
Cleanability ............... G G P G E M " : P --
G
cost ...................... I L L L -
H
Laend
P-poor F-fair Ggood E-excellent L-low M-medium H-high