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Xi'an Xiyi Central Control Technology Co., Ltd.

  • China ,Shaanxi
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China Original Japan Yokogawas RAMC05 Variable Area Flow Meter
China Original Japan Yokogawas RAMC05 Variable Area Flow Meter

  1. China Original Japan Yokogawas RAMC05 Variable Area Flow Meter
  2. China Original Japan Yokogawas RAMC05 Variable Area Flow Meter
  3. China Original Japan Yokogawas RAMC05 Variable Area Flow Meter
  4. China Original Japan Yokogawas RAMC05 Variable Area Flow Meter
  5. China Original Japan Yokogawas RAMC05 Variable Area Flow Meter
  6. China Original Japan Yokogawas RAMC05 Variable Area Flow Meter

Original Japan Yokogawas RAMC05 Variable Area Flow Meter

  1. MOQ: 1 pc
  2. Price: USD 1350/1 pc
  3. Get Latest Price
Payment Terms T/T
Supply Ability 100 pc 1 week
Delivery Time 7-14 days
Measurement Unit Cubic Meters
Frequency RS-485
Model LWQ
Connection THREAD
Flow Rate 0~±7m/ s
Power Source 1x1.5vDC Batteries
Warranty 12 months
Turndown Ratio 100:1
Hart Protocol Available
Pressure Type Gauge Pressure
Communication Protocol Modbus
Response Time ≤10ms
Cumulative Flow M3, T, kg, L
Customized Support OEM
Brand Name Yokogawa
Model Number RAMC05

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 100 pc 1 week
Delivery Time 7-14 days Measurement Unit Cubic Meters
Frequency RS-485 Model LWQ
Connection THREAD Flow Rate 0~±7m/ s
Power Source 1x1.5vDC Batteries Warranty 12 months
Turndown Ratio 100:1 Hart Protocol Available
Pressure Type Gauge Pressure Communication Protocol Modbus
Response Time ≤10ms Cumulative Flow M3, T, kg, L
Customized Support OEM Brand Name Yokogawa
Model Number RAMC05
High Light Yokogawa RAMC05 Flow MeterOriginal Japan Yokogawa Flow MeterVariable Area Yokogawa Flow Meter

Original Japan Yokogawas RAMC05 Variable Area Flow Meter


Yokogawa RAMC05 Metal Tube Rotameter – Detailed Introduction

Model Overview:

The RAMC05 is part of Yokogawa’s RAMC series of metal tube variable area flowmeters designed for measuring flow rates of liquids, gases, and steam in a wide range of industrial applications. Unlike glass rotameters, RAMC05 uses a stainless steel measuring tube and an internal float, making it ideal for high pressure, high temperature, and corrosive applications.

 

Working Principle:

The RAMC05 operates on the variable area principle:

  • As the fluid enters from the bottom and flows upward through the tapered metal tube, it lifts the float.
  • The float rises until the upward force from the fluid equals the downward gravitational force.
  • The position of the float is proportional to the flow rate.
  • A magnetic coupling transmits the float position to an external indicator (mechanical or electronic).

 

Technical Specifications:

Parameter

Specification

Model

RAMC05

Measuring Principle

Variable Area (Float in metal cone)

Flow Range

- Gases: From 0.03 Nm³/h up to 1600 Nm³/h
- Liquids: From 0.002 m³/h up to 200 m³/h

Tube Material

316L Stainless Steel (others on request)

Float Material

Stainless Steel / Titanium / Hastelloy / PTFE

Process Connection

Flange: EN, ANSI, JIS (DN15 to DN80 / ½” to 3”)

Mounting Orientation

Vertical (bottom to top flow)

Accuracy

Standard: ±1.5% of full scale
Optional: ±1.0%

Repeatability

±0.1%

Max Operating Pressure

Up to 100 bar (depending on size and design)

Max Operating Temperature

Up to 200°C (standard)
Up to 350°C with high-temp version

Output

4–20 mA analog signal (optional)

Communication Protocol

HART® 7.0 (optional)

Power Supply

24 VDC (transmitter version)

Explosion Protection

ATEX, FM, IECEx (optional Ex ia, Ex d)

Enclosure Rating

IP66 / IP67

Alarm Outputs

Optional limit switches (NAMUR / inductive proximity)

 

Available Variants / Codes:

The RAMC05 is modular and can be configured as:

  • RAMC05-A: Local indicator only (no external power needed)
  • RAMC05-E: With electronic transmitter (4–20 mA / HART)
  • RAMC05-EX: Explosion-proof with ATEX/IECEx certified electronics
  • RAMC05-S: Sanitary version (available upon request)

 

Typical Media Compatibility:

  • Clean or slightly contaminated gases (air, nitrogen, hydrogen, etc.)
  • Liquids including water, oils, acids, alkalis
  • Steam (saturated or superheated, with pressure compensation)

 

Options & Accessories:

  • Flow restrictors or damping devices for pulsing flow
  • Stainless steel or coated housing for harsh environments
  • Heated enclosures for low ambient temperatures
  • Remote indicators for control rooms

 

Typical Applications:

  • Chemical dosing and blending
  • Air / gas monitoring in utilities
  • Cooling water control in power plants
  • Boiler feed monitoring
  • Process gas flow in refinery or pharma lines

 

Compliance & Certifications:

  • CE, SIL2 (with proper configuration)
  • ATEX / IECEx Zone 1 and Zone 2
  • NACE MR0175 compliance (for sour gas)
  • PED, RoHS

 

Company Details

Bronze Gleitlager

,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2003

  • Total Annual:

    3000000-5000000

  • Employee Number:

    101~200

  • Ecer Certification:

    Verified Supplier

Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a... Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a...

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Get in touch with us

  • Reach Us
  • Xi'an Xiyi Central Control Technology Co., Ltd.
  • Room 2204, Unit 1, No. 91, Taoyuan South Road, Xi'an, Shaanxi, China
  • https://www.industrial-pressuretransmitters.com/

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