- 456 -
FB FABRICATED
BASKET STRAINERS
APPLICA TIONS
●Water, Oil Systems
●Other Liquid Systems
●Protection of Pumps, Meters, Valves, etc.
MODELS
●FB1 - Standard Body
●FB2 - Undersized Body
●FB3 - Oversized Body
●FB4 - Low Profile Body w/Pleated Bskt
●FB5 - Low Profile Body w/Multiple Bskts
PRESSURE/TEMPERATURE CHART
ASME B16.34
FB SERIES
FABRICATED BASKET STRAINERS
PRESSURES TO 3705 PSIG (255 BARG)
T
EMPERATURES TO 800°F (427°C)
●Multiple and custom body configurations for tight
installation, performance and economy
●Multi-baskets minimize downtime
●Stainless steel perforated baskets are standard
●Cover lifting lug standard on sizes 10" and larger
●Bottom/blowdown outlet is standard
●Drain connection with plug furnished as standard
FB1CH1R-B23
1234567891011
Model Material Inlet Class Con- Dash Cover Perf Mesh
Size nection Type
FB Series Ordering Code
Model - Position 1 - 3
FB1 - Standard Body
FB2 - Undersized Body
FB3 - Oversized Body
FB4 - Low Profile Body
w/Pleated Bskt
FB5 - Low Profile Body
w/Multiple Bskts
FBZ - Custom
Configuration
Material - Position 4
C - Carbon Steel
L - Low Temp CS
V - 304 SS
T - 316 SS
M -Monel
H - Hastelloy
Z - Other
Inlet Size -
Position 5
H - 2
J - 21⁄2
K - 3
M -4
N - 5
P - 6
Q - 8
R - 10
S - 12
T - 14
U - 16
V - 18
W -20
X - 22
Y - 24
1 - 28
2 - 30
3 - 36
4 - 40
Z - Other
Class - Position 6
1 - 150
3 - 300
4 - 600
5 - 900
Z - Other
Connection -
Position 7
B - Buttweld
1
F - Flat Face Flg
N - NPT
J - Ring Joint Flg
R - Raised Face Flg
K - Socketweld
Z - Other
Dash - Position 8
Cover Type - Position 9
B - Bolted
C - Bolted w/C-Clamp
D - Bolted w/Davit
J - Bolted w/Hinge
H - T - Bolt Hinged
T - Threaded Hinged
Y - Yoke Hinged
Z - Other
Perf - Position 10
304 SS Material
2
A - None
B - 3/64"
1 - 1/32"
2 - 1/16"
3 - 3/32"
4 - 1/8"
5 - 5/32"
6 - 3/16"
7 - 7/32"
8 - 1/4"
9 - 3/8"
Z - Other
Mesh2-
Position 11
A - None
1 - 10
2 - 20
3 - 30
4 - 40
5 - 50
6 - 60
7 - 80
8 - 100
9 - 120
Z - Other
For any variations, use the
part numbering system
above but clearly indicate
the additional
requirements.
For higher
pressure
classes and
other
materials,
consult
factory.
For Quick
Opening
Covers
Ratings,
see page
468
APPLICABLE C
ODES
●Designed/Manufactured to meet ANSI B31.1,
ANSI B31.3 or ANSI B31.4 and/or ASME Section VIII, Div. I.
● CRN available in all provinces
●Welders Certified to ASME Section IX
OPTIONS
●Other materials, sizes and/or configurations
●
●Other screen, mesh or wedgewire -
●Vent and/or differential pressure connections
●“U” stamped vessels
●Steam jacketing
●Backflush or backwash
●NACE MR010-75 Certification
●External/internal coatings
●Offset inlet/outlet Nozzles
●600# flanges and higher
●Pleated Baskets for higher Open Area Ratios
●Consult factory for other options
Quick Opening Covers - See page
468
See page 466
2. For other screen material,
contact factory.
1. For Buttweld connections please
specify mating pipe schedule
- 457 -
FB1 FABRICATED
BASKET STRAINERS
FB SERIES – FB1
FABRICATED BASKET STRAINERS
S
PECIFICATION
Strainer shall be designed and manufactured to meet ANSI B31.1, ANSI
B31.3 or ANSI B31.4 and/or ASME Section VIII Div. I. The Strainer body
shall be fabricated steel or other specified material and inlet/outlet
connections shall be in line. The Strainer shall have a single basket with a
slant top. The Strainer shall have a bottom blowdown outlet. The screen
shall be size _____ perforated stainless steel. The Strainer shall have an
inlet size of _____ and open area ratio of _____. The Basket Strainer shall
be SSI FB _____.
M
ATERIALS OF CONSTRUCTION (Carbon Steel Shown
†
)
Body………………………………………………A53E/B or A106-B
Nozzles …………………………………………A53E/B or A106-B
Flanges …………………………………………………………A105
Heads ………………………………………A234-WPB or A516-70
Reinforcement Pads2………………………………………A516-70
Couplings ………………………………………………………A105
Plug ………………………………………………………………A105
Basket1…………………………………………………………304 SS
Gasket1………………………………………304 SS Spiral Wound
Stud …………………………………………………………A193-B7
Nut……………………………………………………………A194-2H
† Other Materials Available. Consult factory.
1. Recommended Spare Parts.
2. When required.
Material specification will change when NACE MR01-75 is specified.
A B C E Weight
Inlet/
Body Class Class Class Class Class Class
D
Class Class
F
Class 150 Class 300
Outlet
150 300 150 300 150 300 150 300 Cover1Unit Cover1Unit
2 6 12 147⁄
8 18
5
⁄
8 22 11
1
⁄
8 12 6
5
⁄
8 25 28
1
⁄
2 26 85 50 195
(50) (150) (305) (378) (473) (559) (283) (305) (168) (635) (711) (15) (12) (39) (23) (88)
3 8 14 161⁄2 201⁄2 25 121⁄2 153⁄4 85⁄8 281⁄2 341⁄4
3
⁄4 45 140 81 250
(80) (200) (356) (419) (521) (635) (318) (400) (219) (724) (870) (20) (20) (64) (37) (113)
4 8 16 185⁄8 221⁄4 26 14 157⁄8 85⁄8 301⁄2 361⁄8 1 45 145 81 300
(100) (200) (406) (473) (565) (660) (356) (403) (219) (775) (918) (25) (20) (66) (37) (136)
5101820
1
⁄4 241⁄4 28 17 171⁄8 103⁄4 301⁄2 387⁄8 1 70 160 125 400
(125) (250) (457) (514) (616) (711) (432) (435) (273) (775) (988) (25) (32) (73) (57) (181)
6102024
1
⁄
2 27 30
3
⁄
4 17 19
1
⁄
8 10
3
⁄
4 36 42
3
⁄
8 1 70 205 125 480
(150) (250) (508) (622) (686) (781) (432) (486) (273) (914) (1076) (25) (32) (93) (57) (218)
8122224
7
⁄8 32 351⁄2 21 22 123⁄4 43 553⁄4 11⁄2 110 420 185 681
(200) (300) (559) (632) (813) (902) (533) (559) (324) (1092) (1416) (40) (50) (191) (84) (309)
10 16 32 353⁄8 411⁄2 421⁄2 25 271⁄4 16 58 571⁄4 11⁄2 180 650 295 1100
(250) (400) (813) (899) (1054) (1080) (635) (692) (406) (1473) (1454) (40) (82) (295) (134) (499)
12 18 35 393⁄
8 44
3
⁄
4 47
3
⁄
4 28 30
3
⁄
8 18 61
1
⁄
2 65
1
⁄
8 1
1
⁄
2 220 1205 395 1650
(300) (450) (889) (1000) (1137) (1213) (711) (772) (457) (1562) (1654) (40) (100) (547) (179) (748)
14 20 37 411⁄2 483⁄4 495⁄8 33 33 20 641⁄2 72 2 285 1600 505 2600
(350) (500) (940) (1054) (1238) (1260) (838) (838) (508) (1638) (1829) (50) (129) (726) (229) (1179)
16 24 42 471⁄2 541⁄4 60 36 387⁄8 24 721⁄2 811⁄8 2 430 1965 790 2750
(400) (600) (1067) (1207) (1378) (1524) (914) (988) (610) (1842) (2061) (50) (195) (891) (358) (1247)
18 24 46.5 * 60 * 40 * 24 80 * 2 430 2200 * *
(450) (600) (1181) (1524) (1016) (610) (2032) (50) (195) (998)
20 30 52 * 68 * 46 * 30 90 * 2 965 3200 * *
(500) (750) (1321) (1727) (1168) (762) (2286) (50) (438) (1452)
24 36 64 * 823⁄4 * 55 * 36 1101⁄2 * 2 1540 4500 * *
(600) (900) (1626) (2102) (1397) (914) (2807) (50) (699) (2041)
Connections*: 2"– 24"
RF, FF, RTJ Flanged or Buttweld
SCREEN OPENINGS
STANDARD
SIZE SCREEN MATERIALS
2" – 12" 1/8 Perf. 304 SS
14" – 24" 3/16 Perf. 304 SS
Dimensions shown are for reference only. Consult factory for certified prints when required.
* Consult factory.
1. Weight and dimension with Bolted Cover.
FB1 DIMENSIONS inches (mm) AND WEIGHTS pounds (kg)
For 600#. 900# and 1500# dimensions and weights contact factory.
Standard cover is bolted.
Cover lifting lug standard on 10" sizes and larger.
Class 150# and 300# flanges are standard.
Class 600# and higher available on request.
*Distance required for basket removal.
A/2
E*
F N.P.T.
B
C
D
A
*Larger sizes available. Consult Factory.
For Buttweld connection please specify
mating pipe schedule.
E
B
C
A/2
DDD
D
A
F N.P .T.
- 458 -
FB2 FABRICATED
BASKET STRAINERS
FB SERIES – FB2
FABRICATED BASKET STRAINERS
SPECIFICATION
Strainer shall be designed and manufactured to meet ANSI B31.1, ANSI
B31.3 or ANSI B31.4 and/or ASME Section VIII Div. I. The Strainer body
shall be fabricated steel or other specified material and inlet/outlet
connections shall be in line. The Strainer shall have a single basket with a
slant top. The Strainer shall have a bottom blowdown outlet. The screen
shall be size _____ perforated stainless steel. The Strainer shall have an
inlet size of _____ and open area ratio of _____. The Basket Strainer shall
be SSI FB _____.
MATERIALS OF
CONSTRUCTION (Carbon Steel Shown
†
)
Body………………………………………………A53E/B or A106-B
Nozzles …………………………………………A53E/B or A106-B
Flanges …………………………………………………………A105
Heads ………………………………………A234-WPB or A516-70
Reinforcement Pads2………………………………………A516-70
Couplings ………………………………………………………A105
Plug ………………………………………………………………A105
Basket1…………………………………………………………304 SS
Gasket1………………………………………304 SS Spiral Wound
Stud …………………………………………………………A193-B7
Nut……………………………………………………………A194-2H
† Other Materials Available. Consult factory.
1. Recommended Spare Parts.
2. When required.
Material specification will change when NACE MR01-75 is specified.
Connections*: 2"– 24"
RF, FF, RTJ Flanged or Buttweld
SCREEN OPENINGS
STANDARD
SIZE SCREEN MATERIALS
2" – 12" 1/8 Perf. 304 SS
14" – 24" 3/16 Perf. 304 SS
Dimensions shown are for reference only. Consult factory for certified prints when required.
* Consult factory.
1. Weight and dimensions with Bolted Cover.
FB2 DIMENSIONS inches (mm) AND WEIGHTS pounds (kg)
For 600#. 900# and 1500# dimensions and weights contact factory.
Standard cover is bolted.
Cover lifting lug standard on 10" sizes and larger.
Class 150# and 300# flanges are standard.
Class 600# and higher available on request.
*Distance required for basket removal.
A/2
E*
F N.P.T.
B
C
D
A
Inlet/
Body
A B C D E F Weight-150# Weight-300#
Outlet
150 300 150 300 150 300 150 300 Cover1Unit Cover1Unit
2 4 10 123⁄4 147⁄8 20 87⁄8 12 41⁄2 221⁄8 26
1
⁄2 17 34 28 50
(254) (324) (378) (508) (226) (305) (114) (562) (660) (13) (7.7) (15.4) (12.7) (22.7)
3613
1
⁄2 111⁄2 191⁄8 187⁄8 115⁄8 96
5
⁄8 203⁄4 213⁄4
1
⁄2 26 106 50 160
(343) (292) (486) (480) (295) (229) (168) (527) (552) (13) (11.8) (48.1) (22.7) (72.6)
4 6 14 121⁄8 177⁄8 19 105⁄8 115⁄16 65⁄8 211⁄8 213⁄8
1
⁄2 26 114 50 175
(356) (308) (454) (483) (270) (287) (168) (536) (543) (13) (11.8) (51.7) (22.7) (79.4)
6814
7
⁄8 157⁄8 221⁄8 237⁄8 121⁄2 121⁄2 85⁄8 271⁄4 2911⁄16 3/4 45 140 81 225
(378) (403) (562) (607) (318) (318) (219) (692) (754) (19) (20.4) (63.5) (36.7) (102.0)
8 10 18 241⁄2 307⁄16 303⁄4 191⁄2 191⁄8 103⁄4 361⁄8 353⁄4 1 70 350 125 480
(457) (622) (773) (781) (495) (486) (273) (917) (908) (25) (31.7) (158.7) (56.7) (217.7)
10 12 20 253⁄4 361⁄2 367⁄8 21 21 123⁄4 321⁄4 453⁄8 11⁄2 110 400 185 800
(508) (654) (927) (937) (533) (533) (324) (819) (1153) (38) (49.9) (181.4) (83.9) (362.8)
12 14 261⁄4 275⁄8 375⁄8 393⁄4 22 21 14 467⁄8 507⁄16 11⁄2 139 595 241 930
(667) (702) (956) (1010) (559) (533) (356) (1191) (1281) (38) (63.0) (269.8) (109.3) (421.8)
14 16 30 * 415⁄8 * 26 * 16 463⁄8 *1
1
⁄2 180 1208 295 *
(762) * (1057) * (660) * (406) (1178) * (38) (81.6) (547.8) (133.8) *
16 20 34 * 453⁄4 * 30 * 20 55 * 2 285 1900 505 *
(864) * (1162) * (762) * (508) (1397) * (51) (129.3) (861.7) (229.0) *
18 20 383⁄8 * 48.12 * 28 * 20 593⁄4 * 2 285 1965 505 *
(975) * (1222) * (711) * (508) (1518) * (51) (129.3) (891.2) (229.0) *
20 24 403⁄4 * 55.63 * 32 * 24 661⁄2 * 2 430 2600 790 *
(1035) * (1413) * (813) * (610) (1689) * (51) (195.0) (1179.1) (358.3) *
24 30 451⁄4 * 62.88 * 38 * 30 79 * 2 965 4000 * *
(1149) * (1597) * (965) * (762) (2007) * (51) (437.6) (1814.1) * *
*Larger sizes available. Consult Factory.
For Buttweld connection please specify mating
pipe schedule.
E
B
C
A/2
D
A
DDD
F N.P .T.
- 459 -
FB3 FABRICATED
BASKET STRAINERS
FB SERIES – FB3
FABRICATED BASKET STRAINERS
SPECIFICATION
Strainer shall be designed and manufactured to meet ANSI B31.1, ANSI
B31.3 or ANSI B31.4 and/or ASME Section VIII Div. I. The Strainer body
shall be fabricated steel or other specified material and inlet/outlet
connections shall be in line. The Strainer shall have a single basket with a
slant top. The Strainer shall have a bottom blowdown outlet. The screen
shall be size _____ perforated stainless steel. The Strainer shall have an
inlet size of _____ and open area ratio of _____. The Basket Strainer shall
be SSI FB _____.
MATERIALS OF
CONSTRUCTION (Carbon Steel Shown
†
)
Body………………………………………………A53E/B or A106-B
Nozzles …………………………………………A53E/B or A106-B
Flanges …………………………………………………………A105
Heads ………………………………………A234-WPB or A516-70
Reinforcement Pads2………………………………………A516-70
Couplings ………………………………………………………A105
Plug ………………………………………………………………A105
Basket1…………………………………………………………304 SS
Gasket1………………………………………304 SS Spiral Wound
Stud …………………………………………………………A193-B7
Nut……………………………………………………………A194-2H
† Other Materials Available. Consult factory.
1. Recommended Spare Parts.
2. When required.
Material specification will change when NACE MR01-75 is specified.
Connections3: 2"– 20"
RF, FF, RTJ Flanged or Buttweld
SCREEN OPENINGS
STANDARD
SIZE SCREEN MATERIALS
2" – 12" 1/8 Perf. 304 SS
14" – 24" 3/16 Perf. 304 SS
Standard cover is bolted.
Cover lifting lug standard on 10" sizes and larger.
Class 150# and 300# flanges are standard.
Class 600# and higher available on request.
*Distance required for basket removal.
A/2
E*
F N.P.T.
B
C
D
A
FB3 DIMENSIONS inches (mm) AND WEIGHTS pounds (kg)
For 300#, 600#, 900# and 1500# dimensions and weights contact factory.
Weight-150#
Inlet Body A B
4
CD E F
Cover Unit
2 8 15 221⁄4 14 85⁄8 2515⁄16
1
⁄2 45 135
(381) (565) (356) (219) (659) (13) (20) (61)
31022
5
⁄
8 26
7
⁄
8 15
7
⁄
8 10
3
⁄
4 32
5
⁄
8
1
⁄
2 70 150
(575) (683) (403) (273) (829) (13) (32) (68)
41022
5
⁄8
26
7
⁄8
15
7
⁄8
10
3
⁄4
32
5
⁄8
1
⁄2
70 160
(575) (683) (403) (273) (829) (13) (32) (73)
6 1225322112
3
⁄4
37
1
⁄8
3
⁄4
110 300
(635) (813) (533) (324) (943) (19) (50) (136)
8 1428372314 44
9
⁄16
1 139 520
(711) (940) (584) (356) (1132) (25) (63) (236)
10 18 36 471⁄8 303⁄8 18 5311⁄16 11⁄2 220 1150
(914) (1197) (772) (457) (1364) (38) (100) (523)
12 20 37 461⁄4 31 20 527⁄8 11⁄2 285 1500
(940) (1175) (787) (508) (1343) (38) (129) (682)
14 24 42 561⁄8 341⁄2 24 663⁄8 11⁄2 430 1850
(1067) (1426) (876) (610) (1686) (38) (195) (841)
16 30 52 721⁄2 49 30 821⁄2 2 965 2800
(1321) (1842) (1245) (762) (2096) (51) (438) (1273)
18 30 52 721⁄2 49 30 821⁄2 2 965 3050
(1321) (1842) (1245) (762) (2096) (51) (438) (1386)
20 36 64 885⁄8 60 36 993⁄4 2 1540 4000
(1626) (2251) (1524) (914) (2534) (51) (699) (1909)
3. Larger sizes available. Consult Factory.
For Buttweld connection please specify mating
pipe schedule.
Dimensions shown are for reference only. Consult factory for certified prints when required.
* Consult factory.
4. Weight and dimensions with Bolted Cover.
E
B
C
A/2
DDD
D
A
F N.P .T.
- 460 -
FB4 FABRICATED
BASKET STRAINERS
Inlet/
ABCD
Weight
Outlet
Cover1Unit
10 23 29 12.19 47 180 600
(250) (584) (737) (310) (1194) (82) (272)
12 27 38 16.75 67 220 1100
(300) (686) (965) (425) (1702) (100) (499)
14 31 45 18.75 77 285 1300
(350) (787) (1143) (476) (1956) (129) (590)
16 31 45 18.75 77 430 1600
(400) (787) (1143) (476) (1956) (195) (726)
18 31 45 18.75 77 430 1800
(450) (787) (1143) (476) (1956) (195) (816)
FB SERIES – FB4
FABRICATED BASKET STRAINERS
SPECIFICATION
Strainer shall be designed and manufactured to meet ANSI B31.1, ANSI
B31.3 or ANSI B31.4 and/or ASME Section VIII Div.1. The Strainer body
shall be fabricated steel or other specified material and inlet/outlet
connections shall be in line. The Strainer shall have a single pleated basket.
The screen shall be size _____ perforated stainless steel. The Strainer shall
have an inlet size of _____ and open area ratio of _____. The Basket
Strainer shall be SSI FB4.
MATERIALS OF C
ONSTRUCTION
(Carbon Steel Shown†)
Body………………………………………………A53E/B or A106-B
Nozzles …………………………………………A53E/B or A106-B
Flanges …………………………………………………………A105
Heads ………………………………………A234-WPB or A516-70
Couplings ………………………………………………………A105
Plug ………………………………………………………………A105
Basket1…………………………………………………………304 SS
Gasket1………………………………………304 SS Spiral Wound
Stud …………………………………………………………A193-B7
Nut……………………………………………………………A194-2H
† Other Materials Available. Consult factory.
1. Recommended Spare Parts.
Material specification will change when NACE MR01-75 is specified.
Connections: 10"– 18" Flanged
SCREEN OPENINGS
STANDARD
SIZE SCREEN MATERIALS
10" – 12" 1/8 Perf. Pleated 304 SS
14" – 18" 3/16 Perf. Pleated 304 SS
FB4 DIMENSIONS inches (mm)
and WEIGHTS pounds (kg)
For pressure classes greater than 150# consult factory.
Dimensions shown are for reference only. Consult factory for
certified prints when required.
1. Weight and dimensions with Bolted Cover.
CLEARANCE
FOR
BASKET
REMOVAL
OUTLET
INLET
1-1/2" NPT DRAIN
A
B
C
D
Standard Cover is bolted. Quick Opening Cover is
available on request.
Cover lifting lug standard on bolted covers.
Class 125#/150# flanges standard.
Other Classes available on request.
- 461 -
FB5 FABRICATED
BASKET STRAINERS
Connections: 8"– 36" Flanged
SCREEN OPENINGS
STANDARD
SIZE SCREEN MATERIALS
8" – 12" 1/8 Perf.-multi basket 304 SS
14" – 36" 3/16 Perf.-multi basket 304 SS
FB SERIES – FB5
FABRICATED BASKET STRAINERS
SPECIFICATION
Strainer shall be designed and manufactured to meet ANSI B31.1, ANSI
B31.3 or ANSI B31.4 and/or ASME Section VIII Div.1. The Strainer body
shall be fabricated steel or other specified material and inlet/outlet
connections shall be in line. The Strainer shall have four independent
baskets. The screen shall be size _____ perforated stainless steel. The
Strainer shall have an inlet size of _____ and open area ratio of _____. The
Basket Strainer shall be SSI FB5.
MATERIALS OF C
ONSTRUCTION
(Carbon Steel Shown†)
Body………………………………………………A53E/B or A106-B
Nozzles …………………………………………A53E/B or A106-B
Flanges …………………………………………………………A105
Heads ………………………………………A234-WPB or A516-70
Couplings ………………………………………………………A105
Plug ………………………………………………………………A105
Basket1…………………………………………………………304 SS
Gasket1…………………………………………………Non Asbestos
Stud …………………………………………………………A193-B7
Nut……………………………………………………………A194-2H
† Other Materials Available. Consult factory.
1. Recommended Spare Parts.
Material specification will change when NACE MR01-75 is specified.
FB5 DIMENSIONS inches (mm)
and WEIGHTS pounds (kg)
For pressure classes greater than 150# consult factory.
Inlet/
ABCD
Weight
Outlet
Cover1Unit
8 23.35 20.13 9.13 38 180 750
(200) (593) (511) (232) (965) (82) (340)
10 26.13 23.75 11.38 44 220 1100
(250) (664) (603) (289) (1118) (100) (499)
12 29 28.38 14.63 52 285 1500
(300) (737) (721) (372) (1321) (129) (680)
14 30.5 31.25 16.75 60 430 1900
(350) (775) (794) (425) (1524) (195) (862)
16 33.5 35.5 19.13 66 965 2400
(400) (851) (902) (486) (1676) (438) (1089)
20 44.75 46.25 28.5 88 1540 4500
(500) (1137) (1175) (724) (2235) (699) (2041)
24 44.38 52.25 31.5 98 1820 5900
(600) (1127) (1327) (800) (2489) (826) (2676)
30 61.5 66.5 41.63 125 2240 12100
(750) (1562) (1689) (1057) (3175) (1016) (5489)
36 62 66.5 41.63 125 2240 12400
(900) (1575) (1689) (1057) (3175) (1016) (5625)
Standard cover is bolted.
Cover lifting lug standard on bolted covers.
Class 125#/150# flanges standard. Class 300# available
on request.
CLEARANCE
FOR
BASKET
REMOVAL
OUTLET
INLET
3/4" NPT DRAIN
A
B
C
D
Dimensions shown are for reference only. Consult factory for
certified prints when required.
1. Weight and dimensions with Bolted Cover.
- 462 -
FB FABRICATED
BASKET STRAINERS
FB SERIES
FABRICATED BASKET STRAINERS
PRESSURE DROP VS FLOW RATE
Water Service, Clean Basket, 1/32" - 1/4" Perforated Screen*
* For Gas, Steam or Air service, consult factory.
FB1
FB2
FB3
FB5
(Sizes 8" - 36")
(Sizes 10" - 18")
(Sizes 2" - 24")
FB4
10
1
PRESSURE DROP (PSID)
0.1
10 1000
2"
100
3"
FLOW RATE (GPM)
5"
4"
10
8"
6"
10"
12"
14"
16"
18"
20"
24"
10000
1
PRESSURE DROP (PSID)
0.1
100
10
1
PRESSURE DROP (PSID)
1000
FLOW RATE (GPM)
8"
10"
12"
14"
16"
20"
10"
24"
12"
30"
36"
14"
16"
18"
10000
0.1
100 10000
1000
FLOW RATE (GPM)
100000
- 463 -
FB FABRICATED
BASKET STRAINERS
FB SERIES
FABRICATED BASKET STRAINERS
OPEN AREA RATIOS
Nominal Gross Free Open
Opening Outlet Screen Screen Area
Size
diameter Opening Area Area Area Ratio
(in) % (in2) (in2) (in2) (OAR)
2 1/8 40% 3.36 171 68 20.3
3 1/8 40% 7.39 266 106 14.4
4 1/8 40% 12.73 266 106 8.4
6 1/8 40% 28.9 377 151 5.2
8 1/8 40% 50.0 562 225 4.5
10 1/8 40% 78.9 938 375 4.8
12 1/8 40% 113.1 1179 472 4.2
14 3/16 50% 137.9 1429 715 5.2
16 3/16 50% 176.7 1940 970 5.5
18 3/16 50% 227.0 2166 1083 4.8
20 3/16 50% 277.9 3393 1696 6.1
24 3/16 50% 402.0 5150 2575 6.4
OAR = Free Screen Area / Nominal Inlet Area
Free Screen Area = Opening % x Gross Screen Area
Values shown are approximate. Consult factory for exact ratios.
FB1
Nominal Gross Free Open
Opening Outlet Screen Screen Area
Size
diameter Opening Area Area Area Ratio
(in) % (in2) (in2) (in2) (OAR)
10 1/8 40 78.85 800 320 4.1
12 1/8 40 113.1 1200 480 4.2
14 3/16 50 140.5 2000 1000 7.1
16 3/16 50 185.66 2000 1000 5.4
18 3/16 50 237.1 2000 1000 4.2
FB4
Open Area Ratios can be larger with custom basket designs. Contact factory when required.
For FB5 Open Area Ratios, consult factory.
Basket Burst Pressure
Page 472
Correction Factors for Other
Viscous Liquids and/or Mesh Liners
Page 471
Correction Factors
for Clogged Screens
Page 471
Nominal Gross Free Open
Opening Outlet Screen Screen Area
Size
diameter Opening Area Area Area Ratio
(in) % (in2) (in2) (in2) (OAR)
2 1/8 40% 3.4 78 31 9.3
3 1/8 40% 7.4 133 53 7.2
4 1/8 40% 12.7 133 53 4.2
6 1/8 40% 28.9 266 106 3.7
8 1/8 40% 50.0 451 180 3.6
10 1/8 40% 78.9 562 225 2.9
12 1/8 40% 113.1 703 281 2.5
14 3/16 50% 137.9 938 469 3.4
16 3/16 50% 182.7 1204 602 3.3
18 3/16 50% 227.0 1429 715 3.1
20 3/16 50% 291.0 1916 958 3.3
24 3/16 50% 402.0 3393 1696 4.2
FB2
Other Screen Openings
Page 466
Nominal Gross Free Open
Opening Outlet Screen Screen Area
Size
diameter Opening Area Area Area Ratio
(in) % (in2) (in2) (in2) (OAR)
2 1/8 40% 3.4 266 106 31.7
3 1/8 40% 7.4 350 140 19.0
4 1/8 40% 12.7 350 140 11.0
6 1/8 40% 28.9 562 225 7.8
8 1/8 40% 50.0 762 305 6.1
10 1/8 40% 78.9 1179 472 6.0
12 1/8 40% 113.1 1338 535 4.7
14 3/16 50% 137.9 1916 958 6.9
16 3/16 50% 176.7 3393 1696 9.6
18 3/16 50% 227.0 3393 1696 7.5
20 3/16 50% 265.2 5150 2575 9.7
FB3
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