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Orifice Flange Assembly F500

Brand: Wise Control Inc

Orifice flange assembly is used in conjunction with orifice plate for flow measurement of smaller or medium size pipes at lower or medium pressure ranges.

The flange connection is a RF type and the differential pressure tapping system is the flange taps.

Specifications

Differential Pressure Piping Connection

  • Select Referring to the Model Number Construction Table

Drain & Vent Hole

  • Per ASME Recommendations
  • Not Drilled for Orifice Bores Smaller Than 25.4 mm

Flange Material

  • A105, A182-F304, A182-F316, A182-F11, A182-F22 & A350-LF2

Flange Mounting Type

  • Ring Joint Welding Neck
  • Welding Neck Slip-On Socket-weld

Flange Ratings

  • JIS 10, 20, 30, 40 & 63 K
  • ANSI (or JPI) 150, 300, 600 & 900 lbs RF

Flow Calculation Standards

  • ASME MFC-3M (R.W Miller)
  • L.K. Spink JIS Z 8762
  • ISO 5167-1 & 2 2003 AGA-3

Gasket

  • Material: Spiral Wound Gaskets
  • Thickness: 4.5 mm

Markings

  • Upstream Side of Tab Handle Stamped ”Upstream” & with Bore Typical & Size, Line Size, Tag Number & Flange Rating

Materials of Bolts & Nuts

  • Nuts: S45C, A194-2H & A194-8 Jack Bolts & Nuts: S25C & A307
  • Stud Bolts: SNB7, A193-B7 & A194-B8

Nominal Diameter

  • 25 ~ 600 mm
  • 1” ~ 24”

Orifice Bore Type

  • Segmental Orifice
  • Quadrant Edged Orifice
  • Concentric Square Edged Orifice
  • Eccentric Orifice

Piping Connection Method

  • ANSI 150 lbs: Insertion Welding Typical (Slip-On Typical)
  • ANSI 300, 600 lbs: Butt Welding Typical (Welding Neck)
  • ANSI 900 lbs: Butt Welding Neck (Ring-joint WN)

Plate Material

  • Non-Standard: Monel, Hastelloy B/C, Titanium etc.
  • Standard: 304 Stainless Steel & 316L Stainless Steel

Plate Thickness

  • 3,6,9 & 12 mm

Special Markings

  • Special Marking May be Furnished to Meet Special Requirement

Tab Handle

  • Welded to Orifice Plate
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