SAE Flat Socket Weld Flange Manufacturer

What is an SAE Flat Socket Weld Flange?

An SAE Flat Socket Weld Flange is a precision-engineered hydraulic flange designed according to SAE J518 and ISO 6162 standards. It is used to connect pipes or tubes in high-pressure hydraulic systems where a secure, leak-proof, and permanent joint is required. The “flat” face design ensures full surface contact with the mating flange, providing an excellent seal when used with an O-ring. This flange type is ideal for hydraulic applications that demand strength, reliability, and compact installation.

The SAE Flat Socket Weld Flange features a flat sealing surface with four bolt holes for secure fastening and a socket weld connection that allows the pipe to fit into a recessed area before welding. This ensures precise alignment and eliminates potential leak paths. Available in Code 61 (SAE 3000 PSI) and Code 62 (SAE 6000 PSI) pressure series, these flanges are manufactured from carbon steel, stainless steel, and alloy steel, with surface treatments such as zinc plating or black oxide coating for enhanced corrosion resistance. The robust construction makes them suitable for high-pressure, high-vibration environments.

SAE Flat Socket Weld Flanges are widely used in hydraulic power units, mobile equipment, marine systems, and industrial automation. Their welded connection provides superior strength and durability while maintaining a compact layout for space-limited installations. The flat face ensures uniform pressure distribution, preventing gasket blowout and ensuring long-term sealing performance. These flanges are preferred in industries like oil & gas, construction, power generation, aerospace, and heavy machinery, where safety, efficiency, and leak-free hydraulic performance are essential.

Standard Specifications for SAE Flat Socket Weld Flange

WORKING PRESSURE : UPTO 210 BAR (3000 PSI) & 420 BAR (6000 PSI) & 700 BAR (10,000 PSI) CUSTOMISED

CODE : CODE 61 FLANGE (3000 PSI) & CODE 62 FLANGE (6000 PSI)

SIZE RANGE : 3/8" (DN 10) TO 5" (DN 125)

CONNECTION : SOCKET WELD

FACE TYPE : O-RING FACE & FLAT FACE

BODY TYPE : FORGED, BAR STOCK

FLANGE ACCESSORIES : O-RING, BOLT, NUT, WASHER

SAE Flanges Available Types

Carbon Steel Hydraulic SAE Flange	SAE Zako Flanges
SAE Butt Weld Flanges	SAE Loose End Weld Nozzle Type Flanges
Hydraulic SAE Flange	SAE Blind Flanges
SAE Orifice Flanges	SAE Elbow Flanges
SAE Threaded flanges	Alloy Steel Hydraulic SAE Flange
High Pressure Hydraulic SAE Flange	Stainless Steel Hydraulic SAE Flange
SAE MONO Flanges	SAE Split Flanges
SAE Socket Weld Flanges	SAE Square Flanges

SAE Flat Socket Weld Flanges Application

Hydraulic Power Systems
Construction & Earthmoving Equipment
Oil & Gas Industry
Marine & Offshore Engineering
Industrial Automation & Manufacturing
Power Generation Plants
Aerospace & Defense
Agricultural Machinery

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