Control Products 125SFI User Manual
PUMP
PROTECTION
- 160 -
125S SERIES
CAST IRON SUCTION DIFFUSERS
Pressures To 200 PSIG (18.96 barg)
Temperatures to 212°F (100°C)
● All encompassing Strainer, Flow Straightener,
Elbow and Pipe Reducer for pump
applications
● Direct mount to the suction side of a pump in
either horizontal or vertical position
● Flow turbulence reduced through integral
straightening vanes for improved pump
efficiency
●All strainers supplied with removable
Stainless Steel startup mesh over Stainless
Steel perforated plate
●Cast Iron FF Flanges on all sizes
●All sizes complete with O-ring sealed covers
with knob bolts to minimize down time
●Supporting pads for easy mounting of
standard I.D. support foot
●Drain connection with plug furnished as
standard
MODELS
●125SFI – Cast Suction Diffuser
OPTIONS
●Other perforated screens and mesh liners
●EPDM or Viton cover O-ring
●Differential connections
●Bolted covers
APPLICA TIONS
●Pump protection
APPLICABLE CODES
(Designed in accordance with)
●ASME B16.1
0600-125SFIN-42
Cast Iron Suction Diffuser Ordering Code
123456789101112131415
Inlet Size Dash Model Outlet Dash Perf Mesh
Size
Inlet Size - Position 1-4
0200 - 2"
0250 - 2
1
⁄2"
0300 - 3"
0400 - 4"
0500 - 5"
0600 - 6"
0800 - 8"
1000 - 10"
1200 - 12"
Dash - Position 5
Model - Position 6 -11
125SFI - 125# Flanged
Outlet Size - Position 12
G - 1
1
⁄2"
H - 2"
J - 2
1
⁄2"
K - 3"
M - 4"
N - 5"
P - 6"
Q - 8"
R - 10"
S - 12"
Cast Suction Diffusers are supplied standard with Buna N cover O-ring
and 1/8 perforated screen with a removable 20 mesh start up liner.
For any variations, use the part numbering system above but clearly
indicate the additional requirement.
PRESSURE/TEMPERATURE CHART
Dash - Position 13
Perf - Position 14
4 - 1/8"
Mesh - Position 15
2 - 20"
Size
Inlet Outlet
ABC1DEFG2H Weight
21
1
⁄
2 10
1
⁄
4 4
1
⁄
2 5 4
1
⁄
2 2
3
⁄
16 3/4 3/4 5
15
⁄
16 21
(50) (40) 260.00 114.30 127.00 114.30 55.00 (20) (20) 151.00 (9.5)
2210
1
⁄4 41⁄2 5 41⁄2 23⁄16 3/4 3/4 515⁄16 23
(50) (50) 260.00 114.30 127.00 114.30 55.00 (20) (20) 151.00 (10.4)
21⁄
2 210
7
⁄
8 5 5 5 2
1
⁄
2 1/2 1 6
9
⁄
16 32
(65) (50) 276.00 127.00 127.00 127.00 64.00 (15) (25) 167.00 (14.5)
21⁄
2 2
1
⁄
2 10
7
⁄
8 5 5 5 2
1
⁄
2 1/2 1 6
9
⁄
16 34
(65) (65) 276.00 127.00 127.00 127.00 64.00 (15) (25) 167.00 (15.4)
3210
1
⁄4 51⁄2 5 51⁄2 23⁄16 3/4 1 515⁄16 37
(80) (50) 260.00 139.70 127.00 139.70 55.00 (20) (25) 151.00 (16.8)
32
1
⁄2 115⁄16 51⁄2 5 51⁄2 3 3/4 1 71⁄16 49
(80) (65) 288.00 139.70 127.00 139.70 76.00 (20) (25) 179.00 (22.2)
3311
5
⁄
16 5
1
⁄
2 5
1
⁄
4 5
1
⁄
2 3 3/4 1 7
1
⁄
16 55
(80) (80) 288.00 139.70 133.00 139.70 76.00 (20) (25) 179.00 (24.9)
4 3 13 61⁄2 51⁄4 61⁄2 37⁄8 3/4 1 83⁄4 57
(100) (80) 332.00 165.10 133.00 165.10 98.00 (20) (25) 223.00 (25.9)
4412
13
⁄16 61⁄2 71⁄8 61⁄2 37⁄8 3/4 11⁄4 81⁄4 92
(100) (100) 325.00 165.10 181.00 165.10 98.00 (20) (32) 210.10 (41.7)
5415
3
⁄4 71⁄2 71⁄8 71⁄2 47⁄16 3/4 11⁄4 75⁄8 97
(125) (100) 400.00 190.50 181.00 190.50 112.70 (20) (32) 194.00 (44.0)
5516
1
⁄8
7
1
⁄2
7
1
⁄8
7
1
⁄2
5
9
⁄16
11
1
⁄4
10 101
(125) (125) 411.00 190.50 181.00 190.50 141.00 (25) (32) 254.00 (45.8)
6 4 13 8 71⁄8 8 37⁄8 3/4 11⁄4 83⁄4 140
(150) (100) 332.00 203.20 181.00 203.20 98.00 (20) (32) 223.00 (63.5)
6 5 17 8 71⁄8 8 57⁄16 11
1
⁄4 1011⁄16 145
(150) (125) 433.00 203.20 181.00 203.20 138.00 (25) (32) 272.00 (65.8)
6 6 17 8 77⁄8
8 5
7
⁄16
1210
11
⁄16
182
(150) (150) 433.00 203.20 200.00 203.20 138.00 (25) (50) 272.00 (82.6)
8 6 17 8 77⁄8 9 57⁄16 1210
11
⁄16 197
(200) (150) 433.00 203.20 200.00 228.60 138.00 (25) (50) 272.00 (89.4)
8820
13
⁄16 9 161⁄4 9 7 1 2 115⁄8 292
(200) (200) 528.00 228.60 413.00 228.60 176.50 (25) (50) 295.00 (132.5)
10 8 2013⁄16 9 161⁄4 11 7 1 2 115⁄8 312
(250) (200) 528.00 228.60 413.00 279.40 176.50 (25) (50) 295.00 (141.5)
10 10 261⁄4 11 161⁄4 11 93⁄4 1214
3
⁄16 398
(250) (250) 667.00 279.40 413.00 279.40 248.00 (25) (50) 360.00 (180.5)
12 8 255⁄16 11 161⁄4 11 81⁄4 1213
3
⁄4 412
(300) (200) 643.00 279.40 413.00 279.40 209.00 (25) (50) 349.00 (186.9)
12 10 261⁄4 11 161⁄4 12 93⁄4 1214
3
⁄16 491
(300) (250) 667.00 279.40 413.00 304.80 248.00 (25) (50) 360.00 (222.7)
12 12 261⁄4 12 181⁄8 12 93⁄4 1215
3
⁄8 573
(300) (300) 667.00 304.80 461.00 304.80 248.00 (25) (50) 390.00 (259.9)
PUMP
PROTECTION
- 161 -
Connections:
2" x 11⁄4" – 12" x 12" Flanged
1. Distance required for Screen Removal.
2. Mounting Pad Support.
125S SERIES
CAST IRON SUCTION DIFFUSERS
SPECIFICATION
Suction Diffuser shall mount directly to the suction side of the pump in
either a horizontal or vertical position. The cover shall have a Buna N
O-ring and knobs to minimize down time. The Suction Diffuser shall be
available with reduced outlet sizes. The Suction Diffuser shall be
______ inlet by ______ outlet with ASME Class 125 FF flanges and
shall have a ______ start up mesh with a ______ perforated screen.
The Suction Diffuser shall be SSI S Series.
MATERIALS OF
CONSTRUCTION
Body …………………………………………Cast Iron A126-B
Cover…………………………………………Cast Iron A126-B
Perforated Screen1……………………………………304 SS
Mesh Screen ……………………………………………304 SS
Knob2………………………………………………Ductile Iron
O-ring1- Standard………………………………………Buna N
Optional ………………………………………EPDM
Optional …………………………………………Viton
Plug2………………………………………………Malleable Iron
1 Recommended Spares.
2 Materials of equivalent strength may be substituted
at manufacturer’s option.
DIMENSIONS inches (mm) and WEIGHTS pounds (kg)
FLOW
F (NPT)
G (PAD SUPPORT)
STANDARD START UP
SIZE SCREEN LINER
All 1/8" Perf. 20 Mesh*
SCREEN OPENINGS
A
B
C
D
E
H
*20 Mesh Liner is removeable
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