Pipe Fittings

High-integrity Butt Weld Fittings for seamless piping connections.

SOTCO Pipe Fittings are engineered to change direction, branch off, or change the diameter of a piping system. Manufactured to **ASME B16.9** standards, our fittings ensure smooth flow characteristics and high structural strength. Whether for high-pressure oil lines or critical chemical processes, our fittings provide leak-proof, permanent connections.

B16.9 Standard
Seamless Construction
100% Radiography

Material Grades

CS

Carbon Steel

ASTM A234 WPB / WPC

ASTM A420 WPL6 (Low Temp)

ASTM A860 WPHY 42/52/60/65/70

SS

Stainless Steel

ASTM A403 WP304/L

ASTM A403 WP316/L

ASTM A403 WP321, WP347

AS

Alloy Steel

ASTM A234 WP11, WP22

ASTM A234 WP5, WP9

ASTM A234 WP91

Ni

Special Alloys

Duplex UNS S31803

Inconel 625, Monel 400

Titanium, Hastelloy

Fittings Range

Butt Weld Elbow 45° / 90° / 180°

Butt Weld Elbows

Available in Long Radius (1.5D) and Short Radius (1D) for changing flow direction.

Size: 1/2" - 48" (DN15 - DN1200)
Pressure: Sch 5 - Sch 160, XXS
Standards: ASME B16.9, JIS, DIN GB/T12459, SH3408
Materials: A234 WPB, A420 WPL6, WP11/12/5, WP304/L, WP316/L
Pipe Tee Straight / Reducing

Pipe Tees

Used for distributing or collecting fluid. Reducing tees feature smaller branch outlets.

Size: 1/2" - 48" (DN15 - DN1200)
Pressure: Sch 5 - Sch 160, XXS
Standards: ASME B16.9, JIS, DIN, ISO
Reducer Concentric / Eccentric

Reducers

Concentric for vertical lines; Eccentric for pump suction to prevent cavitation.

Size: 1/2" - 48" (DN15 - DN1200)
Pressure: Sch 5 - Sch 160, XXS
Standards: ASME B16.9, DIN, JIS, ISO
Pipe Bend Induction Bend

Pipe Bends

Long radius induction bends for reduced flow resistance and pigging lines.

Radius (R): 3D to 10D (Custom to 20D)
Angle (θ): 15°, 30°, 45°, 90°, 180°
Max OD: ≤ 1220mm
Tangent: 300mm - 1500mm
Stub End Lap Joint

Lap Joint Stub Ends

Used with backing flanges to allow easy bolt alignment.

Size: 1/2" - 48" (DN15 - DN1200)
Standards: ASME B16.9, SH3408
Pipe Cap

Pipe Caps

Size: 1/2" - 48"
Std: ASME B16.9, GB/T12459
Pipe Cross

Pipe Cross

Size: 1/2" - 48"
Std: ASME B16.9, SY/T0501

Applications

Oil & Gas

High-pressure transmission lines requiring radiographic quality welds.

Petrochemical

Corrosion-resistant stainless and alloy fittings for processing plants.

Shipbuilding

Compact and strong fittings for marine piping systems.