Wolff is a well-known maker of forged steel flanges, using materials like stainless steel, carbon steel, alloy steel, and special alloys.
Our flanges are made to international standards for tough high-pressure jobs in difficult places such as the oil and gas and petrochemical industries.
With up-to-date equipment and skilled workers, we guarantee excellent product quality, efficiency, and dependability. This, along with our strong quality management system, gives our customers a top-notch product.
Size Range
1/2" (15 NB) through 60" (1500 NB)
Schedule Range
10, 20, STD, 40, XH, XS, 80, 120, 140, 160, XXH, XXS
Specification
ASTM
ANSI
ASME
DIN
EN1092-1
BS4504
JIS
GOST
AWWA
Type
WELD NECK
SLIP ON
BLIND
SOCKET WELD
LAP JOINING
THREADED
AS PER DRAWINGS
Grade
Carbon Steel
ASTM A/ASME SA105
ASTM A/ASME SA350 LF2
ASTM SA/ASTM SA694M F42
ASTM SA/ASTM SA694M F52
ASTM SA/ASTM SA694M F56
ASTM SA/ASTM SA694M F60
ASTM SA/ASTM SA694M F65
ASTM SA/ASTM SA694M F70
Size Range
1/2" (15 NB) through 60" (1500 NB)
Schedule Range
10, 20, STD, 40, XH, XS, 80, 120, 140, 160, XXH, XXS
Specification
ASTM
ANSI
ASME
DIN
EN1092-1
BS4504
JIS
GOST
AWWA
Type
WELD NECK
SLIP ON
BLIND
SOCKET WELD
LAP JOINING
THREADED
AS PER DRAWINGS
Grade
Alloy Steel
ASTM A/ASME SA182 F1
ASTM A/ASME SA182 F5
ASTM A/ASME SA182 F9
ASTM A/ASME SA182 F11
ASTM A/ASME SA182 F12
ASTM A/ASME SA182 F22
ASTM A/ASME SA182 F91
Size Range
1/2" (15 NB) through 60" (1500 NB)
Schedule Range
10, 20, STD, 40, XH, XS, 80, 120, 140, 160, XXH, XXS
Specification
ASTM
ANSI
ASME
DIN
EN1092-1
BS4504
JIS
GOST
AWWA
Pressure
150 LBS
300 LBS
600 LBS
900 LBS
1500 LBS
2500 LBS
Type
WELD NECK
SLIP ON
BLIND
SOCKET WELD
RING JOINT
LAP JOINING
THREADED
AS PER DRAWINGS
Grade
ASTM A/ASME SA182 F304/304L, 304H
ASTM A/ASME SA182 F316/316L, 316H, 316Ti
ASTM A/ASME SA182 F317L
ASTM A/ASME SA182 F321/321H
ASTM A/ASME SA182 F347/347H
1.4301, 1.4307, 1.4948, 1.4401, 1.4404, 1.4918, 1.4571, 1.4438, 1.4541, 1.4940, 1.4550, 1.4912, S31803, S32205, S32550, S32750
A comprehensive catalog containing the following details:
Company information
Product description
Dimensions
Weights
Raw material grades
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