BLIND FLANGE

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Usage:Available in round, square and rectangular shapes
shape of ring or plate to form rim at end of pipe when fastened to pipe
Used as popular category of pipe fittings
Used to mechanically connect two pipes together
used to mechanically connect pipe to tee, valve, choke or any other piece of equipment
Used to seal or block off pipe, such as cover or cap
Standards: 
ASME B16.5, ASME B16.47, DIN 2634 and DIN 2636
Materials:Carbon, stainless steel and alloy steel (316, 304, 314L, Rst37.2, C22.8 and A105)
Carbon steel: ASTM A234 WPB, WPC, ASTM A420 WPL1, WPL3, WPL6 and WPHY-42/46/52/56/60/65/70
Stainless steel: ASTM A403 WP304/304L, WP316/316/L, WP321, WP347 and WPS31254
Alloy steel: ASTM A234 WP1, WP12, WP11, WP22, WP5, WP7, WP9 and WP91
Pressure:
American series: class 150, 300, 400, 600, 900, 1500 and 2500
European series: PN 2.5, 6, 10, 16, 25, 40, 63, 100, 160, 250, 320 and 400
Shapes: round, square and rectangular
Flange facing types:
American series: flat face (FF), raised face (RF), groove (G), female (F) and ring joints face (RJ)
High strength, nice toughness and corrosion-resistant
High pressure and temperature
Customized requirements are accepted

Size:
Blind: 3/8 to 100 inches (DN10 to DN2500)

Quality control:
Surface:oiled or varnished 
Packing: Wooden case
Test: Chemical Component Analysis, Mechanical Properties;Technical Properties; 
Mill Test Certificate: EN 10204/3.1 A/B

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