Single Chamber Orifice Fitting
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Canalta
Single Chamber Orifice Fitting
The Canalta Single Chamber Orifice Fitting is designed and constructed to allow for ease of orifice plate replacement or inspection after depressurization.
- All fittings come standard with a documentation package including hydro-test, function test, inner valve seal test, quality control inspection and material test reports.
- Traceability is maintained in accordance with the ISO-9001 Quality Control Program.
- The fittings are manufactured within the guidelines of ASME 16.34 and ASME 16.5.
- When required, radiography, stress relief, ultra-sonic, magnetic particle, and liquid dye penetration tests can be performed with the relevant reports submitted.
Take a closer look at the
Single Chamber Orifice Fittings
Equalizer Valve Assembly
316 SS- Clamping Bar Screw
Material - 4140 CS - Clamping Bar
Mateial - 1018 YZP CS - DC Specification Plate
Material - 316 SS - Operating Wrench
Material - Cast Iron - Flange X Flange Body
Material - A352 LCC - DC Operating Plate
Material - 316 SS - Pinion Gear Assembly
- Flangeneck Body
- Seal Bar
- Drain Plug
- Meter Tap Plug
- Pressure Gauge
- Swivel Blow Out Preventor
- Top Housing
- DBB Needle Valve Assembly
- Equalizer Valve Assembly
- Soft Seat Warning Plate
- Mid Housing
- Flangeneck Body
- Slide Valve Indicator Plate
- Clamping Bar Screw
- Top Housing
- GEAR SHAFT COMPONENTS
- Body Hex Nut
- Bleeder Valve
- Equalizer Valve Assembly
- Grease Gun Assembly
- Integral Flange
- Integral Flange Bolt
- Eccentricity Alignment Plug
Rack and Pinion Gear System
HNBR O-ring Seals
Rack and Pinion Gear System

HNBR O-ring Seals

- Orifice fittings supplied in Canada are built in accordance with the ABSA Quality Control Program and carry a CRN registration number.
- Industry Canada Approval Number AF-0014.
- In compliance with ASME 16.34 and ASME 16.5, ASTM specifications, AGA-3 Latest Edition and ISO-5167.
- SA216 WCB, SA352 LCC or A351 CF8M
- AISI 4130 Carbon Steel, 316 or A351 CF8M Stainless Steel
- 2” through 24”, 150 through 1500 ANSI raised face flange
- 600, 900 and 1500 flanges also available in RTJ face flange
- Flangeneck design (weldneck U/S, flange D/S)
- Flange x Flange
- Weldneck both end
40, 60, 80, 100, 120, 160 and custom sizes
- Seal bar - HNBR O-ring standard, gasket optional
- Orifice plate - Type “K” 2000 Edition formed HNBR seal on a 316 SS retainer ring
- Dual Ring HNBR O-rings standard on a 316 SS retainer ring assembly
- Teflon Snap Seal two-piece virgin Teflon assembly
In conformance with AGA-3 Latest Edition and ISO-5167
In conformance with AGA-3 Latest Edition and ISO-5167
- Two 1/2” NPT per side standard, two 1/2” NPT additional per side optional (TT)
- 2” and 3” fitting sizes center bored to .375” inside diameter
- 4” and larger sizes center bored to .500” inside diameter
- Tolerance +/- 1/64”
- 2” through 6” = 0.562”, 8” through 14” = 0.688”, 16” through 20” = 0.813”
- 24” through 30” = 0.875"
- Shafts are a feature only on fitting sizes 8" and larger
- Left hand mount standard on sizes 8” through 16”
- Dual operation on sizes 20” and larger
- Standard at -20° to 100° F, optional -40° to 1200° F
Vertical or horizontal
