Due to the very large number of the products and their types we present only the main categories. Please contact us if you have any questions.
We also make custom flanges according to individual customer requirements, and special flanges. For our products we issue a certificate of completion and compliance with standards confirmed the material approvals. On request it is possible to hot-dip galvanizing or electroplating of our products.
Contact us for pricing of selected products enquiry form.
Flat/Plate flanges for welding
Range of produced diameters:
DN15 ÷ DN1000
Executive norms:
EN 1092-1 ; DIN 2573 ; DIN 2576
Steel grades:
S235JR ; S235JRG2 ; S355J2 ; S355J2G3 ; P265GH ; P355NH ; P355NL1 ; 16Mo3 ; 13CrMo4-5 ; 1.4301 ; 1.4541 ; 1.4404 ; 1.4571
Flat flanges, loose for flat ring, for neck ring and for turned pipe ending
Range of produced diameters:
DN15 ÷ DN1000
Executive norms:
EN 1092-1 ; DIN 2641 ; DIN 2642
Steel grades:
S235JR ; S235JRG2 ; S355J2 ; S355J2G3 ; P265GH ; P355NH ; P355NL1 ; 16Mo3 ; 13CrMo4-5 ; 1.4301 ; 1.4541 ; 1.4404 ; 1.4571
Blind flanges
Range of produced diameters:
DN15 ÷ DN1000; ½ NPS ÷ 40 NPS
Executive norms:
EN 1092-1 ; ASME B16.5 ; ASME B16.47 ; DIN 2527
Steel grades:
A105 ; A350 LF2 ; P355NH ; P355NL1 ; 304L ; 321 ; 316L ; 316Ti
Weld-neck flanges
Range of produced diameters:
DN15 ÷ DN1000; ½ NPS ÷ 40 NPS
Executive norms:
EN 1092-1 ; ISO 7005-1 ; ASME B16.5 ; ASME B16.47 ; DIN 2632 ; DIN 2633 ; DIN 2634 ; DIN 2635 ; DIN 2636; DIN 2637 ; DIN 2627 ; DIN 2628
Steel grades:
C22.8 ; P245GH ; P250GH ; P280GH ; P285NH ; P285QH ; P355NH ; P355QH ; 16Mo3 ; 13CrMo4-5 ; 10CrMo9-10 ; 11CrMo9-10 ; X10CrMoVNb9-1 ; A105 ; A350 LF2
Hubbed slip-on flanges
Range of produced diameters:
DN15 ÷ DN1000 ; ½ NPS ÷ 24 NPS
Executive norms:
EN 1092-1 ; ASME B16.5
Steel grades:
P355NH ; P355NL1 ; A105 ; A350 LF2 ; 1.4301/304L ; 1.4541/321 ; 1.4404/316L ; 1.4571/316Ti
Socket weld flanges
Range of produced diameters:
½ NPS ÷ 3 NPS
Executive norms:
ASME B16.5
Steel grades:
A105 ; A350 LF2 ; P355NH ; 304L ; 316L ; 316Ti
Wall thickness:
STD ; XS ; SCH.160 ; XXS
Threaded flanges
Range of produced diameters:
DN15 ÷ DN100 ; ½ NPS ÷ 4 NPS
Executive norms:
EN 1092-1 ; ISO 7005-1 ; ASME B16.5 ; DIN 2566
Steel grades:
S235JR ; C22.8 ; P245GH ; P250GH ; P280GH ; P355NH ; P355QH ; A105 ; A350 LF2 ; 1.4301/304L ; 1.4541/321 ; 1.4404/316L ; 1.4571/316Ti
Compensator's flanges
Range of produced diameters:
DN15 ÷ DN1000
Executive norms:
Manufactured according to client's technical drawings
Steel grades:
S235JR ; S275JR ; 1.4301/304L ; 1.4541/321 ; 1.4404/316L ; 1.4571/316Ti
Long welding neck flanges LWN
Range of produced diameters:
DN15 ÷ DN400 ; ½ NPS ÷ 16 NPS
Executive norms:
EN 1092-1 ; ASME B16.5
Steel grades:
C22.8 ; P245GH ; P250GH ; P280GH ; P285NH ; P285QH ; P305GH ; P355NH ; P355QH ; 16Mo3 ; 13CrMo4-5 ; 10CrMo9-10 ; 11CrMo9-10 ; X10CrMoVNb9-1 ; A105 ; A350 LF2 ; 1.4301 ; 1.4541 ; 1.4404 ; 1.4571
Stud bolts
Range of produced diameters:
M10 ÷ M52 ; ½" ÷ 2 ½"
Executive norms:
PN-68/H-74302 ; DIN 976-1 ; EN ISO 1515-1 ; DIN 2510 ; DIN 551 ; ASME B16.5
Steel grades:
C45E ; 25CrMo4 ; 42CrMo4 ; 21CrMoV5-7 ; 30CrNiMo8 ; A193 Gr.B7 ; A193 Gr.B16 ; A320 Gr.L7 ; A193 Gr.B8 ; A193 Gr.B8M
Bolt types:
type Z, type S variant A or B, type L
Hexagonal head bolts
Range of produced diameters:
M10 ÷ M45 ; ½" ÷ 2 ½"
Executive norms:
PN-74/M-82101 ; PN-74/M-82105 ; EN ISO 4014 ; EN ISO 4016 ; EN ISO 4017 ; EN ISO 4018 ; DIN 931 ; DIN 933
Steel grades:
C45E ; 25CrMo4 ; 42CrMo4 ; 21CrMoV5-7 ; 30CrNiMo8 ; A193 Gr.B7 ; A193 Gr.B16 ; A320 Gr.L7 ; A193 Gr.B8 ; A193 Gr.B8M
Bolt types:
with partial thread ; fully threaded
Nuts
Range of produced diameters:
M10 ÷ M52 ; ½" ÷ 2 ½"
Executive norms:
PN-68/M-74303 ; PN-75/M-82144 ; EN ISO 4032 ; EN ISO 4033 ; EN ISO 4034 ; EN ISO 4035 ; DIN 2510 ; DIN 934 ; ASME B18.2.2
Steel grades:
C35E ; C45E ; 25CrMo4 ; 42CrMo4 ; 21CrMoV5-7 ; A194 Gr.2H ; A194 Gr.4 ; A194 Gr.7 ; A194 Gr.B8 ; A194 Gr.B8M
Nut types:
types N and T, heavy hexagonal nuts H=D
Branch fittings sockolet, weldolet, threadolet, nipolet, latrolet
Executive norms:
ASME B16.11 ; MSS-SP97
Steel grades:
A105 ; A350LF2 ; P280GH ; P355NH ; 16Mo3 ; A182 F304L ; A182 F316L
Untypical elements
Executive norms:
Made according to individual client requirements
Spectacle blinds, spades and spacers
Executive norms:
ASME B16.48 ; API 590
Steel grades:
A105 ; A350 LF2 ; P355NH ; P355NL1 ; 304L ; 316L ; A516 Gr.70
Classes/pressure of finish RF:
150lbs ; 300lbs ; 600lbs ; 900lbs ; 1500lbs ; 2500lbs
Classes/pressure of finish RTJ:
600lbs ; 900lbs ; 1500lbs ; 2500lbs
Special flanges
Orifice flanges OWN
Range of produced diameters:
1 ½ NPS ÷ 24 NPS
Executive norms:
ASME B16.36
Steel grades:
A105 ; A350 LF2 ; P355NH ; A182 F304L ; A182 F316L
Classes/pressure:
300lbs ; 600lbs ; 900lbs ; 1500lbs ; 2500lbs
Finish:
RF ; RTJ
Forged fittings
Executive norms:
ASME B16.11 ; MSS-SP79 ; MSS-SP83 ; MSS-SP95
Steel grades:
A105; A350 LF2; A182 F304L; A182 F316L
Types:
elbows 45°, 90°, street elbows M/F, equal and reducing tees, full couplings, reducing couplings, hex. head plugs, square headplugs, round head plugs, hex. nipples, unions F/F; M/F, reducer inserts
Butt weld fittings
Executive norms:
ASME B16.9
Steel grades:
A234WPB ; A420WPL6
Wall thickness:
STD ; SCH.40 ; XS ; SCH.80 ; SCH.160 ; XXS
Types:
elbows LR SR 45º, 90º, equal and reducing tees, concentric and excentric reducers, caps