Blind Flanges
A Blind flange is round plate which has all of the relevant bolt holes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened. 
 
●Name:
Ring Type Joint Blind Flange
●Model No.
WPP 013 FLB1
●Materials
A350 LF1, LF2, CL1, CL2. LF3
●Standards
API, ANSI, BS, JIS, UNI, DIN, EN1092-1
●Pressure Range
ANSI Class 150 to Class 2500
●Size Range
1/2 to 24 inches (DN 15 to DN 1400) 
 
●Name:
Alloy Steel Blind Flange
●Model No.
WPP 013 FLB2
●Materials
Alloy Steel, ASTM A182 F1, F5 F9, F11, F22, F91
●Standards
API, ANSI, BS, JIS, UNI, DIN, EN1092-1
●Pressure Range
ANSI Class 150 to Class 2500
●Size Range
1/2 to 56 inches (DN 15 to DN 1400) 
 
●Name:
Forged Steel Blind Flange
●Model No.
WPP 013 FLB3
●Materials
Forged Steel, ASTM A105, A350 LF1, LF2 CL1/CL2, LF3 CL1/ CL2, A516.60 A694 (F42, F46, F48, F50, F52, F56, F60, F65, F70)
●Standards
ANSI
●Pressure Range
ANSI Class 150 to Class 2500
●Size Range
1/2 to 56 inches (DN 15 to DN 1400) 
 
●Name:
Spectacle Blind Flange
●Model No.
WPP 013 FLB4
●Materials
ASTM A105, A350 LF1, LF2 CL1/CL2, LF3 CL1/ CL2, A694 (F42, F46, F48, F50, F52, F56, F60, F65, F70) A182 F304/304L, F316/316L, F316H, F310, F321, A182 F11, F22
●Standards
API, ANSI, BS, JIS, UNI, DIN, EN1092-1
●Pressure Range
ANSI Class 150 to Class 2500
●Size Range
1/2 to 56 inches (DN 15 to DN 1400)