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Single Chamber Fittings

Single Chamber Fittings are the most widely accepted means for flow measurement of gas and other hydrocarbons in the oil, gas & petrochemical industry.
Sure Shot® single chamber fitting provides both cost and time saving opportunities to the operator.

Single Chamber Features:

  • Fast inexpensive orifice plate change
  • Meets or exceeds all industry specifications.
  • Telemetry capabilities standard in all sizes
  • Single Chamber fitting provides both cost and time saving opportunities to the operator.
  • One piece body allows operator the freedom to remove orifice plate without the time consuming operational steps associated with Orifice Flange Unions.
  • The orifice plate seal is HNBR bonded to a stainless steel metal insert. This insert retains seal shape, ensuring no protrusion into the bore. The Seal Ring design provides a positive seal against the orifice plate and the upstream fitting seat. This conforms to AGA 3/API 14.3 requirements.

Single Chamber Fitting Applications:

  • Gas Gathering
  • Compressor Stations
  • Onshore – Offshore Production
  • Coal-Seam Gas Measurement
  • Gas Distribution
  • Gas Transmission
  • Process Gas Plant

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 - Consult factory for any other fitting body material
  • Flange Ratings – ANSI Class 150 to ANSI Class 600
  • Fitting End Connections – F x W
  • Raised Face Flange is standard for ANSI Class 150 to ANSI Class 600

Conforms to the following industry standards:

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

Operating Range:

  • Sizes 2” thru 6” ANSI Class 150, 300, & 600
  • Temperature -20° F to 275° F (-29° C. to 135° C.)

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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