Mueller Strainer - mdi

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Suction Diffusers

Models: 1011, 1012

Suction Diffusers
Sizes: 2"x 11⁄4" - 18"x 14"

Model 1011 Suction Diffusers by Mueller

Pressure / Temperature - Non-Shock
Model Sizes Rating
CWP
1011 2"-12" 150psi @ 150°F
(10.3 bar @ 38°C)
165psi @ 300°F
EPDM 110psi @ 300°F EPDM
1011 14" 150psi @ 150°F and Up
(10.3 bar @ 66°C)
1012 Knob 300psi @ 100°F
(21 bar @ 38°C)
1012 Bolted Cover 640psi @ 100°F
(44 bar @ 38°C)
565psi @ 300°F
EDPM – O-RINGS
1011: Class 125
1012: Class 300 

Mueller Steam Specialty Suction Diffusers provide economical and compact pump protection by straining foreign particles and providing proper flow conditions to the pump.

Typical Service

Features

Screens

Model Sizes Standard (Water)
Material Opening
1011 2-1/2" - 12" 304SS 0.250 perf
1011, 1012 Up to 6" 304SS 0.156 perf
1011, 1012 8" and Up 304SS 0.125 perf
Sleeve 304SS 20 mesh

Material

  1011 1012
Body and Cover Cast Iron ASTM A126-B Ductile Iron ASTM A536
Knobs (2"x11 ⁄4"-8" x 8") – Ductile Iron ASTM A536 (2"x11 ⁄4"-8" x 8") – Ductile Iron ASTM A536
Nuts (10"x10" and larger) – Carbon Steel ASTM A194-4 (10"x10" and larger) – Carbon Steel ASTM A194-4
Sleeve 20 mesh Stainless Steel 2 20 mesh Stainless Steel 2
O-Ring EPDM EPDM

Dimensions and Weights

Size Dimensions Weight
Inlet x Outlet A B C D E F
Screen Removal
G
NPT
H
Pipe Support I.D.
 
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
1011
2 x 1-1⁄4 50 x 32 4-1⁄2 114 4-1⁄2 114 6-11⁄16 170 6-1⁄8 156 10-3⁄16 259 8-13⁄16 224 3⁄4 20 0.824 21 19 9
2 x 1-1⁄2 50 x 40 4-1⁄2 114 4-1⁄2 114 6-11⁄16 170 6-1⁄8 156 10-3⁄16 259 8-13⁄16 224 3⁄4 20 0.824 21 19 9
2 x 2 50 x 50 4-1⁄2 114 4-1⁄2 114 6-11⁄16 170 6-1⁄8 156 10-3⁄16 259 8-13⁄16 224 3⁄4 20 0.824 21 19 9
2-1⁄2 x 2 65 x 50 5 127 5 127 7-1⁄2 191 6-9⁄16 167 10-7⁄8 276 9-1⁄8 232 3⁄4 20 1.049 27 32 15
2-1⁄2 x 2-1⁄2 65 x 65 5 127 5 127 7-1⁄2 191 6-9⁄16 167 10-7⁄8 276 9-1⁄8 232 3⁄4 20 1.049 27 32 15
3x2 80 x 50 5-1⁄2 140 5-1⁄2 140 8-7⁄16 214 7-1⁄16 179 11-9⁄16 294 9-5⁄8 244 3⁄4 20 1.049 27 45 20
3 x 2-1⁄2 80 x 65 5-1⁄2 140 5-1⁄2 140 8-7⁄16 214 7-1⁄16 179 11-9⁄16 294 9-5⁄8 244 3⁄4 20 1.049 27 45 20
3 x 3 80 x 80 5-1⁄2 140 5-1⁄2 140 8-7⁄16 214 7-1⁄16 179 11-9⁄16 294 9-5⁄8 244 3⁄4 20 1.049 27 45 20
4 x 3 100 x 80 6-1⁄2 165 6-1⁄2 165 10-1⁄4 260 8-3⁄4 222 13-1⁄8 333 11-1⁄2 292 1 25 1.380 35 71 44
4 x 4 100 x 100 6-1⁄2 165 6-1⁄2 165 10-1⁄4 260 8-3⁄4 222 13-1⁄8 333 11-1⁄2 292 1 25 1.380 35 71 44
5 x 4 125 x 100 7-1⁄2 191 7-1⁄2 191 11-15⁄16 278 10 254 15-3⁄4 400 14-7⁄8 378 1 25 1.380 35 96 34
5 x 5 125 x 125 7-1⁄2 191 7-1⁄2 191 11-15⁄16 278 10 254 15-3⁄4 400 14-7⁄8 378 1 25 1.380 35 96 34
6 x 4 150 x 100 8 203 8 203 13-3⁄8 346 10-1⁄2 267 16-7⁄8 429 16-9⁄16 421 1 25 1.380 35 132 60
6 x 5 150 x 125 8 203 8 203 13-3⁄8 346 10-1⁄2 267 16-7⁄8 429 16-9⁄16 421 1 25 1.380 35 132 60
6 x 6 150 x 150 8 203 8 203 13-3⁄8 346 10-1⁄2 267 16-7⁄8 429 16-9⁄16 421 1 25 1.380 35 132 60
8 x 6 200 x 150 9 229 9 229 14-3⁄8 372 11-1⁄2 292 17-7⁄8 454 16-7⁄8 429 1 25 1.380 35 166 75
8 x 8 200 x 200 9 229 9 229 15-13⁄16 402 11-3⁄4 298 20-3⁄4 527 22-7⁄8 581 1-1⁄4 32 1.380 35 249 113
10 x 8 250 x 200 9 229 11 279 17-13⁄16 453 11-3⁄4 298 20-3⁄4 527 22-7⁄8 581 1-1⁄4 32 1.380 35 276 125
10 x 10 250 x 250 11 279 11 279 19-3⁄8 492 14 357 26-3⁄8 670 30-1⁄4 768 1-1⁄4 32 2.067 53 422 191
12 x 8 300 x 200 9 229 12 305 18-7⁄8 467 11-3⁄4 298 20-3⁄4 527 22-7⁄8 581 1-1⁄4 32 1.380 35 412 187
12 x 10 300 x 250 11 279 12 305 20-3⁄8 518 14 357 26-3⁄8 670 33 838 1-1⁄4 32 2.067 53 491 223
12 x 12 300 x 300 12 305 12 305 21-5⁄16 541 15-1⁄4 387 26-3⁄16 665 28-3⁄4 730 1-1⁄4 32 2.067 53 573 260
14 x 10 350 x 250 11 279 14 356 22-1⁄2 571 14 357 26-3⁄8 670 33 838 1-1⁄4 32 2.067 53 507 230
14 x 12 350 x 300 12 305 14 356 23-3⁄8 594 15-1⁄4 387 26-3⁄16 665 31 787 1-1⁄4 32 2.067 53 601 273
14 x 14 350 x 350 14 356 14 356 25 635 17-1⁄2 445 28 711 33-1⁄8 841 2 51 2.067 53 706 320
16 x 12 400 x 300 12 305 15 305 24-3⁄8 619 15-1⁄4 387 26-3⁄16 665 28-3⁄4 730 1-1⁄4 32 2.067 53 660 299
16 x 14 400 x 350 14 356 15 305 26 660 17-1⁄2 445 27-7⁄8 708 31 787 2 51 2.067 53 750 340
16 x 16 400 x 400 141 ⁄16 357 14-1⁄16 357 24-15⁄16 633 17-9⁄16 446 27-13⁄16 706 33-1⁄8 841 2 51 2.067 53 820 372
18 x 12 450 x 300 12 305 16-1⁄2 419 25-7⁄8 657 15-1⁄4 387 25-3⁄8 644 28-3⁄4 730 1-1⁄4 32 2.067 53 - -
1012
2 x 2 50 x 50 4-3⁄4 121 4-3⁄4 121 6-15⁄16 176 6-3⁄8 162 10-7⁄16 265 8-13⁄16 351 3⁄4 20 0.824 21 30 14
2-1⁄2 x 2 65 x 50 5-1⁄4 133 5-5⁄16 135 7-13⁄16 198 6-13⁄16 173 11-1⁄8 283 9-1⁄8 232 3⁄4 20 1.380 35 35 16
2-1⁄2 x 2-1⁄2 65 x 65 5-5⁄16 135 5-7⁄8 149 7-13⁄16 198 6-7⁄8 175 11-3⁄16 284 9-1⁄8 232 3⁄4 20 1.380 35 39 18
3x2 80 x 50 5-3⁄4 146 5-7⁄8 149 8-13⁄16 224 7-5⁄8 194 11-13⁄16 300 9-5⁄8 244 3⁄4 20 1.380 35 57 26
3 x 2-1⁄2 80 x 65 5-13⁄16 148 5-7⁄8 149 8-13⁄16 224 7-11⁄16 297 11-7⁄8 302 9-5⁄8 244 3⁄4 20 1.380 35 59 27
3 x 3 80 x 80 5-7⁄8 149 5-7⁄8 149 8-13⁄16 224 7-3⁄4 558 11-15⁄16 303 9-5⁄8 244 3⁄4 20 1.380 35 63 29
4 x 3 100 x 80 6-11⁄16 297 6-13⁄16 173 10-7⁄16 265 8-15⁄16 227 13-15⁄16 354 11-1⁄2 292 1 25 1.380 35 79 36
4 x 4 100 x 100 6-13⁄16 173 6-13⁄16 173 10-7⁄16 265 9-15⁄16 252 13-7⁄16 341 11-1⁄2 292 1 25 1.380 35 86 39
6 x 4 150 x 100 8-5⁄16 211 8-1⁄2 216 13-13⁄16 351 10-13⁄16 275 17-3⁄16 437 16-9⁄16 421 1 25 1.380 35 161 73
6 x 5 150 x 125 8-7⁄16 214 8-1⁄2 216 13-13⁄16 351 10-15⁄16 278 17-5⁄16 440 16-9⁄16 421 1 25 1.380 35 165 75
6 x 6 150 x 150 8-7⁄16 214 8-1⁄2 216 13-13⁄16 351 10-15⁄16 278 17-5⁄16 440 16-9⁄16 421 1 25 1.380 35 168 76
8 x 6 200 x 150 9-7⁄16 240 10 720 15-5⁄16 389 11-15⁄16 303 18-5⁄16 465 16-7⁄8 429 1 25 1.380 35 216 98
8 x 8 200 x 200 9-1⁄2 241 10 720 16-3⁄4 425 12-5⁄16 313 21-5⁄16 541 22-7⁄8 581 1-1⁄4 32 1.380 35 317 144
10 x 8 250 x 200 9-1⁄2 241 11-3⁄4 298 18-7⁄16 468 12-5⁄16 313 21-5⁄16 541 22-7⁄8 581 1-1⁄4 32 1.380 35 358 163
10 x 10 250 x 250 11-3⁄4 298 11-3⁄4 298 20 508 14-3⁄4 375 27-1⁄8 689 30-1/4 768 1-1⁄4 32 1.380 35 473 215
12 x 10 300 x 250 11-3⁄4 298 12-7⁄8 327 21-1⁄8 537 14-3⁄4 375 27-1⁄8 689 33 838 1-1⁄4 32 1.380 35 524 237

Dimensions for Model 1011 Suction Diffusers by Mueller