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Natural gas Companies worldwide use Pietro Fiorentini rotary meters in commercial and industrial natural gas measurement applications. Our rotary meters are also used in both high flow residential applications and low volume transmission applications. 

Pietro Fiorentini Series C rotary meters are used at the well head gathering line, compressor stations, gas distribution systems, and end users such as chemical and processing plants.

Meters of standard construction are used in the measurement of a variety of filtered and dry non-corrosive gases, including specialty gases.

Pietro Fiorentini rotary meters are approved for custody transfer applications and used by natural gas transmission and gas distribution companies.

Some sizes of meters are available in the HTR version (High Temperature Resistance) according to EN12480 – Annex C.
Features
  • Compact size and lower weight
  • High performance rotor (impeller) profile for increased rangeability
  • Superior strength ensures reduced sensitivity to pipe stress
  • Decreased susceptibility to damage from pressure shocks
  • Simplified maintenance and repair
  • Multi-functional index
  • Low pressure drop
  • Nominal pressure rating: ANSI150 or PN10/16 
  • Nominal Diameter: from DN40 to DN150 (from 1-½ ” to 6 ”)
  • Measuring Range: From 1:30 to 1:160 accordind to EN12480 
  • Flow rate: From 0.5 m3 /h to 1,000 m3 /h 
  • Repeatability: Better than 0,1% 
  • Measuring Accuracy: According to EN12480
  • Temperature Range: -25° to 55° C
  • Approval: EN12480, OIML R137 1&2, MID, ATEX, PED

Specifications

Materials

  • Timing Gears: High Grade Steel
  • Body & Rotors: Hard Anodize Aluminum Alloy
  • Bearing Supports: AISI430 Stainless Steel
  • Shaft & Bearing: Stainless Steel

Nominal Pressure Rating

  • ANSI150 & PN 10/16

Nominal Diameters

  • DN 40 to DN 150 (1-1/2” to 6”)

Measuring Range

  • 1:30 to 1:160

Flow Rate

  • 0.5 to 1,000 m³/h

Repeatability

  • Better than 0.1 %

Temperature Range

  • -25° to +55° C

Pressure & Temperature Point

  • 1/4” NPT Female

Approvals & Certifications

  • 2014/32/EU MID
  • OIML R137 1&2: 2012
  • EN 12480
  • 2014/34/EU ATEX
  • 2014/68/EU PED

Documentation

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