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  • Latest Products

  • Two Way Adapter Screwed to Barbed Nipple

    Body material: Brass, Ni/Cr plated

    Type: FESTO

    Connections Outlet: 1/8 BSP (M)

    Connections Inlet-1: 6mm Festo

    Connections Inlet-2: 6mm Barbed

  • Flowmeter Tubes

    Calibrated for: L/min at 20 Deg C / 1013 mbar abs

    Conform to: ISO 5358

    Bobbin Float: Aluminium Alloy Anodised Red, with Silver Dot for Easily Observing Rotation

  • Variable Area Flowmeter

    calibrated for: L/min At 20 Deg C / 1013 Mbar Abs

    Conform: ISO 5358

    Bobbin Float: Special Design Float for Rapid Response to Flow Changes

    Printing: Machine Manufacturer Logo Printed if Required

    Gas Coding: Colour Coding for Each Gas

  • Control Valve Block

    Body material: Brass, Ni/Cr plated

    Knob: Available with Plastic (ABS) knob or knurled brass knobs.

    Inlet Connection: 1/8 BSP (F)

    Outlet connection: 1/8 BSP (F)

    Max operating pressure: 10Kg

  • Emergency Oxygen Flush Valve

    Sizes (LxWxH): 93x63x80 mm

    Weight: 0.340 Kg

    Mixed gases iniet connection: Conical connection 23 mm M., ISO DIN 5356/1

    Mixed gases outlet connection: Conical connection 23 mm F., ISO DIN 5356/1

    Feeding: 3.5 – 5 bar ± 20%

  • Selectatec Bracket

    Sizes (LxWxH): 114×47.5×42 mm

    Weight: 1 Kg

    Mixed gases iniet connection: Conical connection 23 mm M., ISO DIN 5356/1

    Mixed gases outlet connection: Conical connection 23 mm F., ISO DIN 5356/1

  • Adapter Screwed to Screwed

    Body material: Brass, Ni/Cr plated

    Connection options Inlet: ¼ BSP (F) & ¼ NPT (F)

    Connection options Outlet: ¼ BSP (F) & ¼ NPT (F)

  • Dual Tube Flowmeter

    Accuracy: Compliant to ISO 5358, or ISO 15002, or VDI 3513 (upto G=2.5, lin=50%)

    No. of Tubes: 1-tube to 6-tubes available as standard

    Tube length: Borosilicate glass, Standard 230mm. Other sizes on request (See tube catalogue)

    Antistatic: Conductive tubes and bushes for static dissipation

    Float: Anodised Aluminum, Red, rotating as standard.



  • Vision
    Vision

    CM Flowmeters (India) Pvt. Ltd. (an ISO 9001:2008 company) was established in 1967. The company is a reputed manufacturer and worldwide exporter of Rotameters (Variable Area Flowmeters) for industrial, scientific and medical applications.

  • Mission
    Mission

    We have been working closely with leading anaesthesia machine manufacturers (both human and veterinary), industrial units and scientific laboratories from the late-1960, to meet their Rotameter requirements.

  • Our Product Range
    Our Product Range

    The product range comprises various types of Industrial Rotameters, virtually any type of Anaesthetic Rotameter, complete Anaesthetic Rotameter Units together with anti-hypoxia device, and Paediatric Oxygen Rotameters.



  • Popular Products

  • Five Tube Flowmeter

    Oxygen Inlet: 6 mm Festo connection from rear bottom ,(Straight)

    N2o Inlet: 6 Mm Festo Connection from Rear Bottom ,(straight)

    Air Inlet: 6 Mm Festo Connection from Rear Bottom ,(straight)

    Mixed Gas Outlet: 6 Mm Festo Connection from Rear ,Top,(straight)

    Control Knob Oxygen: Aluminium with Special Profile as per Iso 5358,

  • Dual Tube Cascade Flowmeter

    Inlet: Festo-6mm

    Outlet: 23 Mm Tapper Nozzle

    Control Knob: Aluminium with Special Profile as per Iso 5358,

    Mounting: Panel Mounting

    Trim Material: Brass-is-319 Natural Colour/aluminium Is-6063 Anodized Natural, O Rings & Washer Epdm

  • Anaesthetic Rotameters Units With Anti Hypoxia

    Oxygen Inlet: 6 mm Festo connection from rear bottom ,(Straight)

    N2O Inlet: 4 mm Festo connection from rear bottom ,(Straight)

    Air Inlet: 6 mm Festo connection from rear bottom ,(Straight)

    Mixed gas outlet: 10 mm Festo connection from rear ,Top right,(Straight)

    Control Knob Oxygen: Aluminium with special profile as per ISO 5358,

  • Anaesthesia Rotameters Units

    Type: Anaesthesia Machine

    Accuracy: Compliant to ISO 5358, or ISO 15002, or VDI 3513 (upto G=2.5, lin=50%)

    No. of Tubes: 1-tube to 6-tubes available as standard

    Tube length: Borosilicate glass, Standard 230mm. Other sizes on request (See tube catalogue)

    Antistatic: Conductive tubes and bushes for static dissipation

  • Purge Type VA Flowmeter

    Fitting & connection materials: Standard : SS 304, Optionally SS 316, brass available

    Gland/O-rings: Viton of Neoprene options available

    Body: Made from SS 304 as standard. Optionally SS 316, brass available

    Metering tube material: Borosilicate glass

    Float Material: Glass, Aluminum, 316 SS, PVC, Teflon, as required. (See selection table)

  • Panel Mounting VA Flowmeter

    Maximum operating temperature: 120 Deg C

    Maximum operating pressure: 1400 kPa (14 bar)

    Rangeability: 10:1

    Repeatability: ± 0.5%

    O-Ring material: Viton, Neoprene

  • Table model VA Flowmeter

    Accuracy: 5% FS (standard), 2% FS (Tube codes 100-172) 10% FS (Standard, 5%FS (Tube codes 221-882)

    Connection Type: Inlet - Back entry Outlet - Top or Back

    Scale: Printed on tube, mm scale with chart

    Gland Packing Options: Neoprene (standard), Viton

    Body (wetted parts): SS 314 (standard), SS 316

  • Online VA Flowmeter

    Accuracy: 5% FS (standard), 2% FS optional

    Mounting: Online- direct, Table model, Wall mounting

    Elbow Adapter: Wth or Without (only for Flange)

    Gland packing options: Neoprene (standard), Viton

    Body (wetted parts): SS 314 (standard), SS 316

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CM Flowmeters (India) Pvt. Ltd.

Welcome to our Website

The company was established as Chemicals & Meters in 1967 by Raju Venkateswar (1929-94), a US-trained chemical engineer. CM Flowmeters (India) Pvt. Ltd. (an ISO 9001:2016 company) was established in 1967. The company is a reputed manufacturer and worldwide exporter of Rotameters (Variable Area Flowmeters) for industrial, scientific and medical applications. Our product range comprises various types of Industrial Rotameters, virtually any type of Anaesthetic Rotameter, complete Anaesthetic Rotameter Units together with anti-hypoxia device, and Paediatric Oxygen Rotameters.




  • Glimpse of Our Company

  • Name of Company Founder
    Mr. R. Venkateswar
  • Year of Establishment
    1967
  • Nature of Business
    Manufacturer, Wholesaler, Retailer
  • Number of Employees
    20-50 People
  • Market Covered
    India
  • GST No
    19AACCC2453J1ZN
  • Annual Turnover
    Rs. 1 to 2 Crore Approx.
  • Legal Status of Firm
    Corporation/Limited Liability Company



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