ST – Annular Chambers

Annular Chambers

Annular Chambers are available in a range of standard line sizes and configurations with optional materials available upon request.

Annular Chambers are used to achieve stable flow measurements under harsh process conditions. A pair of annular chambers are used in conjunction with Orifice Paddle Plates and the assembly is mounted between process flanges.

Designed and manufactured in accordance with ISO 5167-2.

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Features

  • SEALING FACING: Flat Face ‘FF’, Raised Face ‘RF’, Ring Type Joint, API Groove ‘BX’, Custom ‘C’
  • Materials: High Temp and Low Temp Carbon Steel, Stainless Steel 316, Duplex, Super Duplex, Monel, Inconel
  • SIZES: 2” to 24” – other sizes available upon request
  • ANSI CLASS: 150-2500 ANSI and 10,000 PSI
  • Manufactured in accordance with international measurement codes ISO 5167
  • Options: Special coatings, please state with inquiry
ORDERING INFORMATIONPart number format for ordering is as follows; SIZE-ANSI-SCH-FACING-QTY&TAP-MTL
Size2” – 24” (other sizes available upon request)
SCHPipe schedule or custom ID
ANSI150 – 2500 & up to 10,000 PSI
Flange FacingsRF = Raised Face
RTJ Ring = Joint
BX = API Groove
C = Customer specific
QTY of Tapping pairs1 (one pair per assembly)
2 (two pairs per assembly)
TAPPINGN = NPT-F
F = Flanged (ANSI & facing to suit line flange)
C = Custom
MATERIALWC = High Temp C. Steel
LC = Low Temp C. Steel
316 = Stainless Steel
D = Duplex
SD = Super Duplex
M = Monel
WORKED EXAMPLES
STAC-6-300-40-RF-1-N-316Annular Chamber 6” 300# Sch. 40 RF with 1 pair of NPT-F taps in 316 St. Steel
STAC-2-1500-160-RF-1-F-DAnnular Chamber 2” 1500# Sch.160 RF with 1 pair of Flanged taps in Duplex

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