Flanges

Flange

DESCRIPTION
A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or threaded.

Material

Profiles

Standards

Flange Facings

Size

Pressure Rating

Schedule (Wall Thickness)

Carbon Steel,

SA/A105N

Blind

ASME B16.5,
B16.47 (A-Series)

RF

1/2″ – 36″

150#, 300#, 600#, 900#, 1,500#, 2,500#

 

Slip On

ASME B16.5

1/2″ – 24″

150#, 300#, 600#

 

Threaded (NPT)

ASME B16.5

1/2″ – 8″

150#, 300#, 600#

 

Weld Neck

ASME B16.5,                  B16.47 (A-Series)

1/2″ – 36″

150#, 300#, 600#, 900#, 1,500#, 2,500#

S20, S30, STD, S40, SXS, S60, S80, S100, S120, S160, SXXS

Blind

ASME B16.5

RTJ

1/2″ – 24″

600#, 900#, 1,500#, 2,500#

 

Socket Weld

ASME B16.5

1/2″ – 2″

1,500#

SXS, S160, SXXS

Weld Neck

ASME B16.5

1/2″ – 24″

300#, 600#, 900#, 1,500#, 2,500#

SXS, S100, S120, S160, SXXS

Slip On

ASME B16.5

FF

1/2″ – 12″

150#

 

Weld Neck

API 6A

RTJ

2.1/16″ – 7.1/16″

3,000#, 5,000#

S160, SXXS