Mueller Steam Specialty

  Butterfly Valves
  • Strainers - all types, materials, sizes and pressure ratings. From 5 micron to ½" openings.
  • Check Valves - primarily spring loaded - non-slam in all sizes, materials and ratings.
  • Butterfly Valves - all types.
  • Combinations units - Suction diffusers and triple duty types.
  • Numerous other piping products.

Partial List of Products

"Y" Type Strainers


Butterfly Valves
Screwed Ends, Screwed Cap
 
 
Class 250
Model 11M
Size: 1/4" - 4"
   250 PSI @ 400° F
   17 Bar @ 204° C
   400 PSI @ 150° F
   27 Bar @ 65° C
 
Triple Duty Valve
Cast Steel/Stainless Steel
Class 2500
Screwed Ends, Bolted Flange Cover
Model 865
           865-SS

Size: 1/2" - 2"

Socket Weld Ends, Bolted Flange Cover
Model 866
           866-SS

Size: 1/2" - 2"
   2500 PSI @ 838° F
   172 Bar @ 448° C
   6170 PSI @ 100° F
   425 Bar @ 38° C
Butterfly Valves
Cast Iron
Flanged Ends, Bolted Flange Cover
Class 125
Model 758

Size: 3/4" - 12"
   125 PSI @ 450° F
   8 Bar @ 232° C
   200 PSI @ 150° F
   13 Bar @ 65° C
Size: 14" - 24"
   100 PSI @ 353° F
   7 Bar @ 178 ° C
   150 PSI @ 150° F
   10 Bar @ 65° C

Class 250
Model 752
Size: 1/2" - 12"
   250 PSI @ 450° F
   17 Bar @ 232° C
   500 PSI @ 150° F
   34 Bar @ 65° C
Size: 14" - 24"
   200 PSI @ 406° F
   13 Bar @ 208° C
   300 PSI @ 150° F
   20 Bar @ 65° C
Triple Duty Valve
Cast Steel/Stainless Steel
Butt Weld Ends, Bolted Flange Cover
Class 150
Model 781-WE
           781-SS-WE

Size: 1/2" - 24"
   150 PSI @ 565 ° F
   10 Bar @ 296° C
   285 PSI @ 100° F
   19 Bar @ 38° C

Class 300
Model 782-WE
           782-SS-WE
Size: 1/2" - 24"
   300 PSI @ 838 ° F
   20 Bar @ 448° C
   740 PSI @ 100° F
   51 Bar @ 38° C

Class 600
Model 764-WE
           764-SS-WE

Size: 1/2" - 16"
   600 PSI @ 838 ° F
   41 Bar @ 448° C
   1480 PSI @ 100° F
   102 Bar @ 38° C
Triple Duty Valve
Cast Steel/Stainless Steel
Flanged Ends, Bolted Flange Cover
Class 900
Model 765M
           765M-SS
Size: 1/2" - 10"
   900 PSI @ 838° F
   62 Bar @ 448° C
   2200 PSI @ 100° F
   151 Bar @ 38° C

Class 1500
Model 766M
           766M-SS
Size: 1/2" - 12"
   1500 PSI @ 838° F
   103 Bar @ 448° C
   3705 PSI @ 100° F
   255 Bar @ 38° C

Class 2500
Model 767/767-SS
Size: 1/2" - 12"
   900 PSI @ 838° F
   62 Bar @ 448° C
   2200 PSI @ 100° F
   151 Bar @ 38° C

Basket Type Strainers


Duplex Strainers

Y Strainers
Cast Iron, Bronze, Cast Steel, Stainless Steel
Screwed Ends, Quick Open Cover with Non-Yoke Knobs, O-ring Seal
Model 125/125-B
           125-CS/
           125-SS

Size: 3/8" - 3"
   200 PSI @ 150° F
   13 Bar @ 65° C
Y Strainers
Cast Iron
Flanged Ends, Bolted Flange Cover
 
Class 125
Model 165
Size: 1¼" - 12"
   For Steam
   Consult Factory
   200 PSI @ 150° F
   13 Bar @ 65° C

Size: 14" - 24"
   For Steam
   Consult Factory
   150 PSI @ 150° F
   10 Bar @ 65° C


Class 250
Model 166
Size: 2" - 12"
   250 PSI @ 406° F
   17 Bar @ 208° C
   500 PSI @ 150° F
   34 Bar @ 65° C

Size: 14" - 24"
   200 PSI @ 406° F
   13 Bar @ 208° C
   300 PSI @ 150° F
   20 Bar @ 65° C
Y Strainers
Screwed Ends, Knob Type Cover
316 SS Balls
 
Size: 3/4" - 3"
Class 125
Cast Iron
Model 791-S-A
   200 PSI @ 150° F
   13 Bar @ 65° C

Class 150
Bronze
Model 792-S-B
Carbon Steel
Model 792-S-D
Stainless Steel
Model 792-S-H
   285 PSI @ 100° F
   19 Bar @ 38° C

Class 300
Bronze
Model 794-S-B
Carbon Steel
Model 794-S-D
Stainless Steel
Model 794-S-H
   740 PSI @ 100° F
   51 Bar @ 38° C

Class 600
Carbon Steel
Model 796-S-D
Stainless Steel
Model 796-S-H
   740 PSI @ 100° F
   51 Bar @ 38° C

Y Strainers
Flanged Ends, Knob Type Cover
316 SS Balls
 
Size: 1 " - 6"
Class 125
Cast Iron
Model 791-F-A
   200 PSI @ 150° F
   13 Bar @ 65° C

Class 150
Bronze
Model 792-F-B
Carbon Steel
Model 792-F-D
Stainless Steel
Model 792-F-H
   285 PSI @ 100° F
   19 Bar @ 38° C

Class 300
Bronze
Model 794-F-B
Carbon Steel
Model 794-F-D
Stainless Steel
Model 794-F-H
   740 PSI @ 100° F
   51 Bar @ 38° C

Class 600
Carbon Steel
Model 796-F-D
Stainless Steel
Model 796-F-H
   740 PSI @ 100° F
   51 Bar @ 38° C


Fabricated Strainers / Line Blinds / Temporary Cone Strainers

Pump Protection


Silent Check Valves
Wafer Style

Tee Strainer
Carbon Steel, Stainless Steel and other Alloys
Bolted Cover
 
Class 150
Model 185 FAB-B

Size: 4" - 32"

Class 300
Model 186 FAB-B

Size: 4" - 20"

Class 600
Model 188 FAB-B

Size: 4" - 20"

Quick Opening Cover
Class 150
Model 185 FAB-Q

Size: 4" - 30"

Tee Strainer
Cast Iron Control-Check®
Flanged Ends, Bolted Yoke Cover with Position Indicator
Class 125
Model 721
Size: 2" - 12"
   200 PSI @ 150° F
   13 Bar @ 65° C
Size: 14"
   150 PSI @ 150° F
   10 Bar @ 65° C

Ductile Iron Control-Chek®
Class 300
Model 722
Model 722G (LOCXEND®)
Size: 2" - 10"
   640 PSI @ 100° F
   44 Bar @ 38° C
Size: 12"
   500 PSI @ 100° F
   34 Bar @ 38° C
Tee Strainer
Cast Iron
Flanged Ends, Knob Cover through 8"x8", Bolted for Larger Sizes
Class 125
Model 1011

Size: 2" x 1¼" - 18" x 14"
   200 PSI @ 150° F
   13 Bar @ 65° C

Ductile Iron
Class 300
Model 1012
Size: 2" x 1¼" - 18" - 14"

Model 1011G (LOCXEND®)
Size: 2" x 1¼" - 12" - 12"
   300 PSI @ 100° F
   20 Bar @ 38° C
(Bolted Cover)
   640 PSI @ 100° F
   44 Bar @ 38° C

Tee Strainer
Compact Wafer
Cast Iron/Bronze

 
Model 91AP
Model 91AT

(CI/SS)
Size: 1½ " - 6"
For use with Class 125, 150, 250 or 300 flanges


Model 92AP
Size: 8 " - 12"
For use with Class 125 or 150 flanges


Model 93AP
Size: 8 " - 10"
For use with Class 250 or 300 flanges
   150 PSI @ 150° F
   10 Bar @ 65° C


Silent Check Valves
Globe Style

Silent Check Valves

 
Screwed End Type
Class 250

Cast Iron/Brass or SS/EPDM
Model 303 AP/AT
Size: 1/4" - 2"
   200 PSI @ 150° F
   13 Bar @ 65° C


Class 300
Bronze/Brass/EPDM
Model 303 BP
Size: 1/4" - 2"
   400 PSI @ 150° F
   27 Bar @ 65° C


316SS/316SS/Viton
Model 303 HT
Size: 1/4" - 2"
   600 PSI @ 100° F
   41 Bar @ 38° C

Silent Check Valves
Cast Iron/Bronze
 
Class 125
Model 105 MAP
Size: 2" - 12"
   200 PSI @ 150° F
   13 Bar @ 65° C
Size: 14" - 24"
   150 PSI @ 150° F
   10 Bar @ 65° C

Class 250
Model 107 MAP
Size: 2" - 12"
   500 PSI @ 150° F
   34 Bar @ 65° C
Size: 14" - 24"
   300 PSI @ 150° F
   20 Bar @ 65° C

Bronze/Bronze
Class 150
Model 105 MBP
Size: 2" - 30"
   225 PSI @ 150° F
   15 Bar @ 65° C

Class 300
Model 109 MBP
Size: 2" - 20"
   500 PSI @ 150° F
   34 Bar @ 65° C
Carbon Steel/316 SS
Class 150
Model 105 MDT

Size: 2" - 30"
   285 PSI @ 100° F
   19 Bar @ 38° C

Class 300
Model 109 MDT
Size: 2" - 24"

   740 PSI @ 100° F
   51 Bar @ 38° C

Class 600
Model 113 DT
Size: 2" - 10"

   1480 PSI @ 100° F
   102 Bar @ 38° C

Class 1500
Model 117 DT
Size: 2" - 24"

   3705 PSI @ 100° F
   255 Bar @ 38° C

316 SS/316 SS
Class 150
Model 105 MHT

Size: 2" - 30 "
   275 PSI @ 100° F
   18 Bar @ 38° C

Class 300
Model 109 MHT

Size: 2" - 24"
   720 PSI @ 100° F
   49 Bar @ 38° C

Class 600
Model 113 MHT

Size: 2" - 10"
   1440 PSI @ 100° F
   99 Bar @ 38° C

Class 1500
Model 117 MHT

Size: 2" - 24"
   3600 PSI @ 100° F
   248 Bar @ 38° C


Double Disc Check Valves
Sure Check®


Butterfly Valves


Plug Valves
Chem-Plug®
Silent Check Valves


 
Class 125
Cast Iron/Bronze
Model 71
Size: 2" - 12"
   200 PSI @ 150° F
   13 Bar @ 65° C

Size: 14" - 54"
   150 PSI @ 150° F
   10 Bar @ 65° C


Model 71U
U.L. & FM Approved
Size: 4" - 12"
   175 PSI @ 150° F
   12 Bar @ 65° C


Class 150
Bronze(2"-24")
Ductile Iron, Carbon Steel, Stainless Steel

Model 72
Size: 2" - 56"
   285 PSI @ 100° F
   19 Bar @ 38° C


Class 300
Bronze(2"-24")
Ductile Iron, Carbon Steel, Stainless Steel

Model 74
Size: 2" - 48"
   740 PSI @ 100° F
   51 Bar @ 38° C

Class 600
Carbon Steel, Stainless Steel
Model 76
Size: 2" - 42"
   1480 PSI @ 100° F
   102 Bar @ 38° C


Class 900
Carbon Steel, Stainless Steel
Model 77
Size: 2" - 24"
   2220 PSI @ 100° F
   151 Bar @ 38° C

Class 1500
Carbon Steel, Stainless Steel
Model 78
Size: 2" - 18"
   3705 PSI @ 100° F
   255 Bar @ 38° C

Class 2500
Carbon Steel, Stainless Steel
Model 79
Size: 2" - 12"
   6170 PSI @ 100° F
   425 Bar @ 38° C
Silent Check Valves
Semi-Lug Style
Carbon Steel, Stainless Steel
Seats: Buna-N, EPDM, Viton1, PTFE
Stems: 316 SS
Model 53
Cartridge Seat
Size: 2" - 12"
   250 PSI @ 100° F
   17 Bar @ 38° C

 
Fabricated Strainers
Full Flanged
Carbon Steel, Stainless Steel
Seats: Buna-N, EPDM, Viton1
Stems & Disc: 316 SS
Model 58
Cartridge Seat
Size: 14" - 18"
   150 PSI @ 100° F
   10 Bar @ 38° C

Fabricated Strainers
Sleeved Plug Valves
Diaphragm Top Seal
 
Class 150
Model 022
Flanged
Size: 1/2" - 6"
Class 300
Model 324
Screwed
Model 325 Socket
Model 326 Screwed by Socket
Size: 1/2" - 2"
Model 322 Flanged
Size: 1/2" - 6"

V-Ring/Chevron Packed Top Seal
Class 150
Model V022
Flanged
Size: 1/2" - 14"
Class 300
Model V324
Screwed
Model V325 Socket
Model V326 Screwed by Socket
Size: 1/2" - 2"
Model V322 Flanged
Size: 1/2" - 10"

Standard Materials
(All Models)
Ductile Iron, Carbon Steel, Stainless Steel

Locxend®
Grooved End Products
Fabricated Strainers
Ductile Iron Body Sure Check®, Bronze Discs, Grooved End Connections, Buna-N Vulcanized Seat
Model 74G
Size: 3" - 6"
   650 PSI @ 100° F
   44 Bar @ 38° C

Industrial Strainers
Ductile Iron Body Sure Check® Combination Valve, Grooved End Connections, Bolted Yoke Cover with Position Indicator
Model 722G
Size: 2" - 10"
   640 PSI @ 100° F
   44 Bar @ 38° C

Size: 12"
   500 PSI @ 100° F
   34 Bar @ 38° C

Industrial Strainers
Ductile Iron Body Suction Diffuser, Grooved Inlet, Flanged Outlet
(Class 150), Knob Cover through 8"x8", Bolted for Larger Sizes
Model 1011G
Size: 2" x 1¼ - 12" x 12"
   300 PSI @ 100° F
   20 Bar @ 38° C

1 DuPont trademark
Piping Specialties Inc
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