FLANGES

 
International srl produces and sells flanges in accordance with all international regulations, special and customized pieces, in different grades of steel, without limitation of series and measures
 
 
 
 

MATERIALS

 
 
The flanges can be made in various grades of steel, sizes from ½ "to 60"

Carbon steel
ASTM A105 - ASTM A350 LF2 - LF3 - LF6 - ASTM A694 F52 - F60 - F65 - F70

Alloysteel
ASTM A182 F1 - F5 - F9 - F11 - F12 - F22 - F91, W.Nr: 1.5415, 1.7362, 1.7368, 1.7335, 1.7380, 1.4903, EN: 15Mo3, 12CrMo19 5, X12CrMo7, X12CrMo9 1, 13CrMo44, 10CrMo9 10, X10CrMoVNb9 1


 
 
 
 
 
 
Stainless steel
ASTM A182 F304/L - F304/H - F316/L - F316/H - F316Ti- F321/H, F310 - F44 - F347/H - F51 - F53 - F55 - F904/L
W.Nr: 1.4301, 1.4948, 1.4306, 1.4833, 1.4401, 1.4919, 1.4404, 1.4571, 1.4435, 1.4438, 1.4541, 1.4878, 1.4550, 1.4529, 1.4539, 1.4462, 1.4410
EN: X5CrNi18 10, X6CrNi18 10, X2CrNi19 11, X7CrNi23 13, X5CrNiMo 17 12 2, X6CrNiMo 17 12 2, X2CrNiMo 17 12 2, X6CrNiTi 18 10, X12CrNiTi 18 9, X6CrNiNb 18 10, 904L.
Nickel alloys
Incoloy 825, Inconel 625, Monel 400 and other Nickel alloys
 
 
 
 
 
 
 
 

FLANGES TYPES

 
 
  • Welding Neck, Slip on, Socket Welding, Blind, Threaded, Lap Joint, Long Welding Neck, Pads
  • Flanges AWWA, API, TEMA, SAE
  • OrificeFlanges B16.36
  • Spectacleplates
StandardFlanges
  • ANSI B16.5, B16.36, B16.47A, B16.47B, BS3293 (fino a #2.500)
  • UNI, DIN e EN (fino a PN250)
  • API (fino a 20.000 PSI)

 
 
 
 
 
 

Special flanges

 
 
  • Swivel Ring Flanges
  • Anchor Flanges
  • Quick opening closures
  • Special or customizedflanges
  • Mouthpieces, alsosaddled

 
 
 
 
 
 
 

CONTACT US

 
Contact our staff for more information on the quick opening closures we produce. Call us to request the realization of closures based on your project and we will meet all your needs.