MSS SP-44 Flanges Supplier

MSS SP-44 is a specification developed by the Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry. This specification pertains to steel pipeline flanges, which are essential components in the oil and gas industry, as well as various other industrial applications. MSS SP-44 flanges are designed to provide a reliable and leak-free connection between pipes, valves, and other equipment in a piping system.

Key features and requirements of MSS SP-44 flanges include:

1. Material: MSS SP-44 flanges are typically made from carbon steel, stainless steel, or alloy steel, depending on the specific application and environmental conditions.

2. Types: The specification covers various types of flanges, including welding neck, slip-on, socket weld, blind, and threaded flanges. Each type has its own unique design and application.

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3. Pressure Class: MSS SP-44 flanges are available in different pressure classes, such as 150, 300, 600, 900, 1500, and 2500, to accommodate a wide range of operating pressures in piping systems.

4. Size Range: These flanges come in a variety of sizes, from small nominal diameters to large ones, enabling them to fit different pipe sizes and system requirements.

5. Facing Types: MSS SP-44 specifies the facing types, such as flat face (FF), raised face (RF), and ring joint face (RJF), to ensure proper sealing and alignment between flanges.

6. Quality and Testing: The specification outlines requirements for the quality of materials, manufacturing processes, and various tests like hydrostatic testing, radiographic examination, and non-destructive testing to ensure the flanges meet safety and performance standards.

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MSS SP-44 flanges are widely used in critical applications where safety, reliability, and leak-tight connections are paramount. These applications include oil and gas pipelines, petrochemical plants, power generation facilities, and more.

It’s important to note that MSS SP-44 is just one of many flange standards available, and the choice of a specific standard depends on the specific requirements of a project. Engineers and designers must carefully select the appropriate flange type, size, material, and pressure class to ensure the integrity and safety of the overall piping system.

MSS SP-44 Flanges Specification

Flange Size Range ½” (15 NB) to 48″ (1200NB), DN10 to DN3000
Flange Type UNI Standard Flanges
Flange Face Types Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
Main Types Forged / Threaded / Screwed / Plate
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Connection Type Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large
In Form SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc
Usage Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
MSS SP-44 Flanges

STOCKIST & SUPPILERS FOR MSS SP-44 Flanges IN INDIA, CUSTOM SIZES MSS SP-44 SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Ready Stock Of MSS SP-44 Flanges

  • MSS SP-44 Tongue & Groove Flanges
  • MSS SP-44 Slip On Flange
  • MSS SP-44 Blind Flange
  • MSS SP-44 Weld Neck Flange
  • MSS SP-44 Socket Weld Flange
  • MSS SP-44 RTJ Flange
  • MSS SP 44 Flange Dimensions
  • Stainless Steel MSS SP-44 Flanges
  • SS MSS SP 44 Reducing Flanges
  • MSS SP-44 SORTJ Flange
  • Duplex Steel MSS SP 44 Long Weld Neck Flanges
  • Super Duplex Steel MSS SP-44 Ring Type Joint Flanges
  • Inconel MSS SP 44 DIN Flanges
  • Brass MSS SP-44 Spectacle Blind Flanges
  • Monel MSS SP 44 Spacer Ring Flanges
  • MSS SP-44 Class 150 Flanges
  • MSS SP 44 Pipe Flange
  • Duplex Stainless Steel MSS SP-44 Flat Face Flange
  • MSS SP-44 Square Flanges
  • Alloy Steel MSS SP 44 Raised Face Flanges
  • Nickel Alloy MSS SP-44 Orifice Flange
  • MSS SP-44 Steel Flanges
  • Chrome Moly Steel MSS SP-44 Flange
  • MSS SP 44 Large Diameter Flange
  • MSS SP-44 Industrial Flange
  • Alloy 20 MSS SP-44 Flange
  • MSS SP-44 Forged Flanges
  • MSS SP 44 Steel Slip On Flat Face Flanges
  • MSS SP 44 Screwed Flanges
  • Aluminium Bronze MSS SP-44 BLRTJ Flanges
  • Tin Bronze MSS SP 44 Nipoflange
  • Phosphor Bronze MSS SP-44 NPT Threaded Flanges
  • Carbon Steel MSS SP 44 Female Flanges
  • CS MSS SP-44 Plate Flange
  • Hastelloy MSS SP 44 Flangeolet
  • Titanium MSS SP-44 Paddle Blank and Spacer
  • AS MSS SP 44 SORF Flanges
  • SMO 254 MSS SP-44 Blind Flange
  • Super Duplex Stainless Steel MSS SP 44 Exhaust Flanges
  • MSS SP-44 SWRTJ Flanges
  • MSS SP-44 Custom Flanges
  • Copper Nickel MSS SP 44 Lap Joint Flanges

MSS SP-44 Flanges Dimension

Standard Class Diameter Bolt Circle Diameter Number of Bolts Bolt Size Diameter of Bolt Hole
AS4087 PN14 95 67 4 M12 14
AS 2129 Flanges Table C 95 67 4 13 14
Table D 95 67 4 13 14
Table E 95 67 4 13 14
Table F 95 67 4 13 14
Table H 114 83 4 16 17
Table J 114 83 4 16 17
ANSI B16.5 ANSI 150 89 60 4 13 16
ANSI 300 95 67 4 13 16
ANSI 600 95 67 4 13 16
ANSI 900 121 83 4 19 22
ANSI 1500 121 83 4 19 22
ISO 7005 (DIN) Flanges PN6 80 55 4 M10 11
PN10 95 65 4 M12 14
PN16 95 65 4 M12 14
PN20 90 60.5 4 M14 16
PN25 95 65 4 M12 14
PN40 95 65 4 M12 14

MSS SP-44 Flanges Size Chart

Nominal Pipe Size Outside Diameter of Flanges Thickness of Flanges Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Weight Chart of MSS SP-44 Flanges

Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of
Hub
Diameter of Raised Face Length Hub.Y Thread Length Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C X G Y T BC BH BN BD
1/2″ 15 89.00 11.20 30.20 35.10 15.70 15.70 60.50 15.80 4 1/2″ 0.4 0.9
3/4″ 20 98.50 12.70 38.10 42.90 15.70 15.70 69.90 15.80 4 1/2″ 0.7 1.5
1″ 25 108.00 14.20 49.30 50.80 17.50 17.50 79.30 15.80 4 1/2″ 0.8 1.8
1-1/4″ 32 117.50 15.70 58.70 63.50 20.60 20.60 88.90 15.80 4 1/2″ 1.2 2.6
1-1/2″ 40 127.00 17.50 65.00 73.20 22.40 22.40 98.60 15.80 4 1/2″ 1.5 3.3
2″ 50 152.50 19.10 77.70 91.90 25.40 25.40 120.70 19.10 4 5/8″ 2.3 5.1
2-1/2″ 65 178.00 22.40 90.40 104.60 28.40 28.40 139.70 19.10 4 5/8″ 3.7 8.1
3″ 80 190.50 23.90 108.00 127.00 30.20 30.20 152.40 19.10 4 5/8″ 4.1 9
3-1/2″ 90 216.00 23.90 122.20 139.70 31.80 31.80 177.80 19.10 8 5/8″ 5.1 11.2
4″ 100 228.50 23.90 134.90 157.20 33.30 33.30 190.50 19.10 8 5/8″ 5.9 13
5″ 125 254.00 23.90 163.60 185.70 36.60 36.60 215.90 22.40 8 3/4″ 7 15.4
6″ 150 279.50 25.40 192.00 215.90 39.60 39.60 241.30 22.40 8 3/4″ 8.4 18.5
8″ 200 343.00 28.40 246.10 269.70 44.50 44.50 298.50 22.40 8 3/4″ 13 28.6
10″ 250 406.50 30.20 304.80 323.90 49.30 49.30 362.00 25.40 12 7/8″ 18 39.5
12″ 300 482.50 31.80 365.30 381.00 55.60 55.60 431.80 25.40 12 7/8″ 29 64
14″ 350 533.50 35.10 400.10 412.80 57.20 57.20 476.30 28.50 12 1″ 39 86
16″ 400 597.00 36.60 457.20 469.90 63.50 63.50 539.80 28.50 16 1″ 47 103
18″ 450 635.00 39.60 505.00 533.40 68.30 68.30 577.90 31.80 16 1 1/8″ 57 126
20″ 500 698.50 42.90 558.80 584.20 73.20 73.20 635.00 31.80 20 1 1/8″ 76 167
24″ 600 813.00 47.80 663.40 692.20 82.60 82.60 749.30 35.10 20 1 1/4″ 97 214

We Serve Application Industry

Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

We Export MSS SP-44 Flanges Across the Globe
Angola, Austria, Estonia, Switzerland, Algeria, Iran, Sweden, France, Bolivia, Japan, Morocco, Nepal, Poland, India, Namibia, Sri Lanka, United Arab Emirates, Qatar, Pakistan, Afghanistan, Indonesia, Argentina, Azerbaijan, Jordan, Chile, Ecuador, Czech Republic, Bahrain, Israel, Gambia, Croatia, Trinidad & Tobago, New Zealand, Yemen, Portugal, Saudi Arabia, Netherlands, Peru, Nigeria, Ukraine, Hong Kong, Oman, Romania, Colombia, Germany, Singapore, Malaysia, Mongolia, Turkey, Tunisia, Lithuania, Belarus, Macau, Canada, Russia, Chile, Denmark, Bhutan, South Korea, Belgium, Libya, Zimbabwe, Puerto Rico, Bangladesh, Bulgaria, Hungary, Kazakhstan, United Kingdom, Spain, Gabon, Costa Rica, Vietnam, Mexico, Italy, Lebanon, Iraq, Nigeria, Kenya, South Africa, Slovakia, Kuwait, Greece, Norway, Mexico, Brazil, Poland, Tibet, Venezuela, Serbia, Finland, Taiwan, China, Iran, Ghana, Philippines, Thailand, United States, Australia, Egypt, Ireland.
Domestic Supply MSS SP-44 Flanges
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