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Sure Shot Dual Chamber Orifice fitting

Sure Shot® Dual Chamber Orifice fittings fully conform to the latest AGA 3/API 14.3 stringent requirements. They require no added uncertainty and provide accurate performance over the orifice plate beta ratio range from 0.1 to 0.75 within 0.5% flow accuracy to theoretical value.

Dual Chamber Features:

  • Two-piece body allows fast, safe inexpensive orifice plate change under pressure
  • Protected positive orifice plate seal design extends service life
  • Meets or exceeds all industry specifications (AGA3/API 14.3)
  • 2”-16” ANSI Classes 150-600. For higher ratings consult factory
  • Few moving parts, positive sealing with low maintenance
  • Unique safety lock helps to prevent accidental opening under pressure while removing the orifice plate, indicates proper carrier location, and provides precise plug operation positioning

Fitting Pressure Ratings:

  • ANSI Class 150 (285 PSI CWP)
  • ANSI Class 300 (740 PSI CWP)
  • ANSI Class 600 (1480 PSI CWP)

Standard Materials of Construction:

  • Body Material – A-216 WCB / WCC
  • Flange Ratings – ANSI Class 150 to ANSI Class 600 inclusive.
  • Fitting End Connections – F x W, F x F ?Note: RTJ Flange facing available upon request. Consult factory for any other fitting body material.

Conforms to the following industry standards:

  • AGA 3/API 14.3, ISO-5167
  • ANSI B31.3, MSS SP-55, ANSI B16.5
  • Fittings available for NACE MR-01-75-2000
  • CRN Certified

Operating Range:

  • Sizes 2” thru 16” ANSI Class 150, 300, & 600
  • Temperature -20° F to 275° F (-29° C. to 135° C.)
  • Schedule 40 and schedule 80 standard. Note: Consult factory for larger sizes and other operating conditions.

Quality Check:

  • Hydrostatic test 1-1/2 times rated CWP.
  • Tested for positive plate seal, pressure tap integrity, seal protrusion and eccentricity


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