Page 1
- 452 -
300B SERIES
BASKET STRAINERS
PRESSURE/TEMPERATURE CHART
ASME B16.34
For Quick Opening Covers Ratings, s
ee page 467
●SSI Exclusive – Cover flange is in dimensional
accordance with ASME B16.5
●Over the top flow and machined basket seat eliminate
any chance of dirty fluid by-pass
●Large screen area minimizes pressure drop and
cleaning intervals
●Threaded or socketweld connections
●Stainless steel perforated baskets are standard
●Recommended minimum straining level is 40 microns
●NPT drain connection furnished with plug as standard
MODELS
●300B2T – Threaded over the top flow
●300B2W – Socketweld over the top flow
O
PTIONS
●Other screen perforations and mesh liners
●Quick Opening Covers -
●Socketweld Connections
APPLICABLE CODES
●ASME B16.5, B16.34
300B SERIES
CAST CARBON STEEL, STAINLESS STEEL
THREADED BASKET STRAINERS
P
RESSURES TO 740 PSIG (51 BARG
)
T
EMPERATURES TO 800°F (427°C)
APPLICA TIONS
●Water, oil systems
●Other liquid systems
●Protection of pumps, meters, valves and
similar equipment
See page 467
0150-300B2TT-1____
12345678910111213141516
Add’l
Inlet Size Model Con- Body Dash Perf Mesh Require-
nection Material ments
300B2 Series Ordering Code
Inlet Size - Position 1 - 4
0050 - 1/2"
0075 - 3/4"
0100 - 1"
0125 - 1
1
⁄4"
0150 - 1
1
⁄2"
0200 - 2"
Dash - Position 5
Model - Position 6 - 10
300B2 - Straight Flow
Connection - Position 11
T - Threaded
W - Socketweld
Body Material - Position 12
C - Carbon Steel
T - Stainless Steel
Dash - Position 13
Perf1- Position 14
304 SS Material
2
1 - 1/32"
B - 3/64"
A - None
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 15
Leave Blank
If not Required
(Std. all)
1 - 10
2 - 20
3 - 30
4 - 40
5 - 50
6 - 60
7 - 80
8 - 100
9 - 120
Z - Other
1. Standard screens All 1/2" - 11⁄2"—1/32" perf, All 2"—3/64" perf.
2. For other screen materials, contact factory.
For any variations, use the part numbering system above but clearly indicate the additional requirement.
Add’l Requirements -
Position 16
Leave Blank
If not Required
D - Special Drain Size
F - Silicon Free
G - Special Gaskets
N - Nace MR01-75
T - Special Testing
V1- Clamp Cover
X - Oxygen Cleaning
Y - Other and / or
Multiple Specials
Indicate Specials
Clearly On the Order
Page 2
- 453 -
300B2 SERIES
BASKET STRAINERS
Connections: 1/2"– 2"
NPT or Socketweld
SCREEN OPENINGS
STANDARD
SIZE SCREEN MATERIALS
1
/2" – 11/2" 1/32 Perf. 304 SS
2" 3/64 Perf. 304 SS
ABC*DEFH
WEIGHT
SIZE
Cover Unit
1
⁄
2 6
1
⁄
8 3
1
⁄
8 6
5
⁄
16 42
1
⁄
8 5
3
⁄
4
3
⁄
8 620
(15) (156) (80) (179) (102) (54) (146) (10) (2.7) (9.1)
3
⁄
4 6
3
⁄
4 3
7
⁄
16 8
3
⁄
8 52
1
⁄
2 7
7
⁄
16
3
⁄
8 825
(20) (171) (87) (213) (127) (64) (189) (10) (3.6) (11.4)
163⁄4 37⁄16 83⁄8 521⁄2 77⁄16
1
⁄2 825
(25) (171) (87) (213) (127) (64) (189) (15) (3.6) (11.4)
11⁄4 81⁄8 45⁄16 1115⁄16 73⁄4 37⁄16 111⁄163⁄4 12 46
(32) (206) (109) (303) (197) (87) (281) (20) (5.4) (20.9)
11⁄2 81⁄8 45⁄16 1115⁄16 73⁄4 37⁄16 111⁄163⁄4 12 46
(40) (206) (109) (303) (197) (87) (281) (20) (5.4) (20.9)
29413⁄16 127⁄16 73⁄4 41⁄4 1111⁄16 11661
(50) (229) (122) (316) (197) (108) (297) (25) (7.3) (27.8)
DIMENSIONS inches (mm) AND WEIGHTS pounds (kg)
*For models with Quick Opening Cover, consult factory.
Dimensions shown are subject to change. Consult factory for certified drawings.
300B SERIES
CAST CARBON STEEL, STAINLESS STEEL
THREADED BASKET STRAINERS
SPECIFICATION
Basket Strainer shall have over the top flow with a machined basket seat.
The Basket Strainer shall be cast steel or stainless steel with 300 PSIG A
rated threaded socketweld connections. The cover flange dimensions shall
be in accordance with ASME B16.5. 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 300B2 Series.
M
ATERIALS OF CONSTRUCTION
Part Carbon Steel Stainless Steel
Body A216-WCB A351-CF8M
Cover A216-WCB A351-CF8M
Screen
1
304SS 304SS
Plug
2
A105 A182-316
Gasket
1
304SS Spiral Wound
3
304SS Spiral Wound
3
Bolt/Stud
2
A193-B7 A193-B8-1
Nut
2
A194-2H A194-8
1. Recommended Spare Parts
2. Materials of equivalent strength may be substituted.
3. Gasket for bolted cover.
For Quick Opening Covers,
s
ee page 467
Page 3
- 454 -
300B SERIES
BASKET STRAINERS
300B SERIES
CAST CARBON STEEL, STAINLESS STEEL
OPEN AREA RATIOS
with Standard Perforated Screen
Nominal Gross Free Open
Opening Inlet Screen Screen Area
Size
Diameter Opening Area Area Area Ratio
(in) % (in2) (in2) (in2) (OAR)
1
⁄2 1/32 28 0.30 14.1 4.0 13.0
3
⁄4 1/32 28 0.53 22.3 6.2 11.7
1 1/32 28 0.86 22.3 6.2 7.2
11⁄4 1/32 28 1.50 46.9 13.1 8.8
11⁄2 1/32 28 2.04 46.9 13.1 6.4
2 3/64 36 3.36 57.1 20.6 6.1
OAR = Free Screen Area / Nominal Inlet Area
Free Screen Area = Opening % x Gross Screen Area
300B SERIES
CAST CARBON STEEL, STAINLESS STEEL
PRESSURE DROP VS FLOW RATE
Water Service, Clean Basket, 1/32" - 1/4" Perforated Screen*
* For Gas, Steam or Air service, 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
Other Screen Openings
Page 466
(Sizes 11⁄2" - 2")
10
1
PRESSURE DROP (PSID)
0.1
1 100
1/2"
3/4"
10
1"
1-1/4"
1-1/2"
FLOW RATE (GPM)
2"
1000
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