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Orifice Flange

 

Size: 1/2"-84" 
 
Material: 
 
Carbon Steel: ASTM A105, ASTM A350 LF1, LF2 CL1/CL2 LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 
Stainless Steel: ASTM A182 F304/304L, F316/316L, F316H, F316Ti, F321, F44(UNS S31254) 
Alloy Steel: ASTM A182 F1, F5/a, F9, F11, F12, F22, F91 
Duplex&Super Duplex Steel: ASTM A182 F51/UNS S31803, F53/UNS S32750 F55/UNS S3260 
Special Alloy Steel: Monel400, Inconel 600, Inconel 625, Inconel 800, Inconel 825, Inconel C276 
Orifice Flange
 
ANSI B16.36 WN RF Orifice Flange 
size: from 1/2''_84'' 
standard: ANSI B16.5 
material: alloy steel,carbon steel,stainless steel

ORIFICE FLANGES are widely used in conjunction with orifice meters for measuring the rate of flow of liquids and gases. 

They are basically the same as standard welding neck and slip-on flanges except for the provision of radial,
tapped holes in the flange ring for meter connections and additional bolts to act as jack screws to facilitate
separating the flanges for inspection or replacement of the orifice plate. In choosing the type of orifice flange,
the considerations affecting the choice of welding neck and slip-on standard flanges apply with equal force. 
 
Standard: ANSI B16.5, ANSI B16.47 Series A & B, ANSI B16.48, API 605, API 16D, API 17D, BS4504, BS3293, DIN, AS, JIS 
 
 
Types of Flanges Available: Weldnecks, Slip-Ons, Threaded, Blind, Socketweld, Lap-Joint, Orifice, Reducing Flange and Specials. 
 
Types of Flange Faces: Raised Face, Flat-Face, Ring Joint, Tongue & Groove, and Male & Female.
 

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Orifice Flange: