Twis Safety Screen


PERFORMANCE
LEE PART NUMBER
LOHM RATE (nom.)
FLOW RATE
gpm (max.)
BURST PRESSURE
psid (min.)
COLLAPSE PRESSURE
psid (min.)*
FSSA1870040B
80
4.0
N/A
125
5.4
FSSA1870060B
80
6.0
N/A
150
11
FSSA1870080B
80
8.0
N/A
150
21
FSSA1870150B
80
8.0
N/A
300
131
* Collapse ... first sign of deformation when clogged.

SPECIFICATIONS (nom.)
LEE PART NUMBER
HOLE SIZE (in)
HOLE SIZE
(µm)
OPEN AREA
in2
TOTAL AREA
in2
NUMBER OF HOLES
FSSA1870040B
0.004
100
0.06
0.22
5100
FSSA1870060B
0.006
150
0.07
0.22
2250
FSSA1870080B
0.008
200
0.06
0.22
1250
FSSA1870150B
0.015
380
0.08
0.22
450


MATERIALS
PART
MATERIAL
SPECIFICATION
Spring
17-7PH CRES
AMS 5678
Post
303 CRES
QQ-S-763C
Screen
304L CRES
ASTM A 666
Braze
Silver Alloy
AMS 4774
Finish: All Cres Parts Passivated per QQ-P-35.


INSTALLATION AND EXTRACTION
Tool Set Part Number is CUTA1870228C
For Installation and Extraction Procedures, Tools and Oversize Spare Parts, follow this link

For more information, please send us your application information via our ASK LEE service. Or contact our application engineers in the USA at 1-800-LEE-PLUG or our representatives around the world.
Copyright 08/2008 by The Lee Company, USA
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