Blind Flange Class 300 Stainless Steel 4 in Pipe Size 8 1/2 in Flange

• Description

Blind flange is like a flange cover, also called blind disk or flanged pipe plug. Blind flange has no holes in the center, for to seal the pipe opening. So it's function is the same as the pipe plug or the pipe cap. The difference is blind flange is a
detachable equipment, easy to replace or do maintenance.

The most used flange types are:

All types except the Lap Joint flange are provided with a raised flange face.

• Size

Blind flange:1/4″-160″

DN8-DN4000

• Pressure

America Series:Class 150 ,Class 300, Class 600, Class 900A ,Class 1500,Class 2500.

Europe Series:PN2.5,PN6,PN10,PN16,PN25,PN40,PN63,PN100,PN160,PN250,PN320,PN400.

• Flange Facing Types

America Series:Flat face(FF),Raised face(RF),Tongue(T),Groove(G),Female(F),Male(M),Ring type joints face(RJ/RTJ)

Europe Series:Type A(Flat Face),Type B(Raised Face),Type C(Tongue),Type D(Groove),Type E(Spigot),Type F(Recess),Type G(O-Ring Spigot),Type H(O-Ring Groove)

• Material

Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8.

Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911

Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N

ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti

ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H

Low temperature steel: ASTM/ASME A402 WPL 3-WPL 6

High performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70

• Standard

ASME ANSI B16.5,ASME ANSI B16.47.

API 605,API 6L.

MSS SP 44

CSA Z245.12

EN1092-1,EN1759-1.

DIN2527.

BS1560,BS 4504,BS 10.

AFNOR NF E29-200-1

ISO7005-1

AS2129

JIS B2220

UNI 2276. UNI 2277.UNI 2278 .UNI 6089 .UNI 6090

• Industrial Processes

Die forging,Machining.

• Markets for Blind flanges

Natural gas,chemical,petroleum,ship building,marine,paper making, metallurgy, electric, power, boiler , etc.

• Application