Blind flanges

Blind Flange(BL Flange)

Blind Pipe Flanges are pipe flanges used to tape the end of a piping system openings to prevent flow. Blind pipe flanges are commonly used for pressure testing of the pressure flow of liquids or gases through a pipe or vessel.

Standard:

ANSI B16.5 ,DIN25762766,DIN2632-2638

Pressure Rating:

CL150, CL300, CL400, CL600, CL900, CL1500, CL2500

Size: 1/2”-48”(DN10-DN1200)

Forming Type: Forged

Materials:
Carbon Steel blind flange:

ASTM SA/A105(N),C22.8,ST37.2,

A516 GR60/70,ASTM SA350 LF2,

ASTM SA694 F42/46/52/56/60/65…
Stainless Steel blind flange:

ASTM A182 304/ 304L/ 304H, 316/316Ti/316 L,321, 347, 409, 410...

Duplex Stainless Steel blind flange:

ASTM A182 F51/F53/F55/F60…
Alloy Steel blind flange:

ASTM A182 F1/F5/F9/F11/F22/F91…
Surface Treatment:

Yellow/Black Coating, Anti-Rust Oil