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300LB SO Flanges Stainless Steel Forged Flanges

300LB SO flanges is a commonly used pressure of flanges,all flanges could be 150LB,300LB,600LB,900LB,1500LB,2500LB.Stainless steel forged flanges are always used in chemical environment because of the great anti-corrosive function.The most popular stainless steel grades are A182 F304/304L and A182 F316/316L.

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300LB SO (slip on) flanges are a commonly used pressure of SO flanges.Stainless steel forged flanges are popular all over the world because of the great anti-corrosive function.And flanges in stainless steel also  have better performances  in other sides.

 

SO flanges could slip over the pipes,and then welded with the pipe.The inner dimension of SO flange is a bit bigger than the connected pipe. Slip on flanges are more flexible than other types of flanges in usage.These flanges could provide suffcient strength and prebent leakagr by welded insaide and outside.

 

Advantages:

  1. Low cost
  2. Saves space
  3. Reduces weight
  4. No leakage
  5. Good sealing performance

 

Disadvantages:

  1. In principle, pipes must always be welded first, and then fittings.
  2. Cannot be combined with elbows and tees
  3. Can not guarantee no leakage.

 

SPECIFICATION

Shape Slip-on Flange (SO)
Size Range 1/2″ – 48″/ DN15 – DN1200
Pressure Rating Class 150, 300, 600, 900, 1500, 2500lb
Standard ASME B16.5, ASME B16.47 Series A/B, EN 1092-1, API 605, MSS SP-44, DIN 2627, DIN 2527, DIN 2558, DIN 2576, DIN 2641, DIN 2655, DIN 2656, DIN2573
Carbon Steel ASTM A105 / A105N, ASTM A350 LF2/LF3, ASTM A694 F42 / 46 / 56 / 60 / 65, P235GH, P265GH, P280GH, P355GH
Alloy Steel ASTM A182 F11 / 12 / 5 / 9 / 91 / 92
Stainless Steel ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317,347,904L, 1.4404, 1.4437.
Duplex Stainless Steel ASTM A182 F51, F53, F44

 

 

 

Applications:

Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

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