A blind flange is a popular type of pipe flange. It has no bore in the middle, and is primarily used to close ends of piping systems. This flange permits easy access to a line once it has been sealed. It sometimes can be machined to accept a nominal sized pipe to which a threaded or welded reduction is being made. Ahad blind flanges are available in various sizes and materials for you to choose from.
Blind flange 3/8"~80"
American Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500 European Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100
Flange Facing Types
American Series: Flat Face(FF), Raised Face(RF), Tongue(T), Groove(G), Female(F), Male(M), Ring Joints Face(RJ)
European 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)
Carbon Steel: ASTM/ASME A105, ASTM/ASME A516 Grade 55-60-65-70
Alloy Steel: ASTM/ASME A182 F1-F12-F11-F22-F5-F9-F91-F911-F92
Stainless Steel: ASTM/ASME A182 F304-F304H-F304L-F304N-F304LN F316-F316H-F316L-F316N-F316LN F321-F321H F347-F347H, ASTM/ASME A182 F51-F52-F53-F54-F55-F60-F61
Low-Temperature Steel: ASTM/ASME A522, ASTM/ASME A707 Grade L1-L2-L3-L4-L5-L6-L7-L8
High-Strength Steel: ASTM/ASME A694 F42-F46-F48-F50-F52-F56-F60-F65-F70
ASME B16.5-2013, B16.47-2011
EN 1092-1-2007, EN 1759-1-2004
GB/T 9112-2010, GB/T 9123-2010
HG/T 20592-2009, HG/T 20615-2009, HG/T 20623-2009
GOST- AFNOR- BS- DIN
Die forging, Machining
Electrical power, petroleum, natural gas, chemical, shipbuilding, heating, papermaking, metallurgy
As a blind flange manufacturer and supplier in China, Ahad provides a great line of pipe fittings, including pipe bends, threaded tees, socket weld caps, welding bosses, industrial flanges and more. They are produced in compliance with ISO 9000, Pressure Equipment Directive 97/23/EC (PED 97/23/EC), AD2000 Merkblatt W0, and API standard, and are used by hundreds of customers in Italy, Germany, Spain, France, Russia, USA, Brazil, Iran, India, etc.