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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.
DN:10~1000
PN:1.0--------58.0
American Series:CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500 and CLASS 6000.
European Series:PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400 Flange Facing Types:Flat Face (FF), Groove (G), Ring Joints Face(R)
Standard:HG20592, ASME16.5-2009, DIN2633, ANSI, JIS. Material:195，Q235，20II，16Mn,20Mn,304,304L,316,316L,321 or as required.
Surface treatment:Transparent oil, rust-proof black oil or hot galvanized.
Special equipment manufacture license:manufacture license of special equipment of P.R.C Marking:according to client’s requirement.
QC staff:10-15.
Inspection:in-house and the third party.
Used for:petroleum, chemical, power, gas, water, line pipe, heat exchanger, shipbuilding, construction, etc.
Tolerance:not less than +_8% of normal wall thickness. Keyword:slip-on flange, SO flange, A105 slip on flange Our
objective:Survival by quality and development by credibility. Special design available to all the production process is made according to clients’requirements strictly.