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DwyerPanel-Mount Flowmeters for Air & Compressed Gas

Dwyer Flowmeter: Variable Area Flowmeter, Variable Area, Panel Mount, Vertical

The Dwyer RMC-121-SSV is a variable area flowmeter designed for panel-mount installation in air and compressed gas applications. It features a vertical mounting orientation, Buna-N O-ring material, and includes a…

SKU 3G-OTH-90534

Brand
Dwyer
Item
Flowmeter: Variable Area Flowmeter, Variable Area, Panel Mount, Vertical
Category
Panel-Mount Flowmeters for Air & Compressed Gas
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Technical Specifications

Dwyer
Manufacturer Part Number
RMC-121-SSV
Type
Variable Area, Panel Mount, Vertical, Gallons/Liters, FNPT
Accuracy
+/-2%
O-Ring Material
Buna-N
Unit Of Measure
Gallons
Mounting Orientation
Vertical
Includes Flow Rate Adjustment Knob
Yes
View Full Spec Sheet

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer RMC-121-SSV is a variable area flowmeter designed for panel-mount installation in air and compressed gas applications. It features a vertical mounting orientation, Buna-N O-ring material, and includes a flow rate adjustment knob. The unit measures flow in gallons with an accuracy of +/-2%.

Frequently Asked Questions

What is the Dwyer RMC-121-SSV flowmeter used for?

The Dwyer RMC-121-SSV is a variable area flowmeter used to measure flow rates of air and compressed gas in panel-mount installations. It is commonly applied in industrial process control, HVAC systems, and pneumatic lines where vertical mounting and a flow rate adjustment knob are required.

What are the specifications of the Dwyer RMC-121-SSV?

The Dwyer RMC-121-SSV has an accuracy of +/-2%, a Buna-N O-ring material, and measures flow in gallons. It is designed for vertical mounting orientation, includes a flow rate adjustment knob, and connects via FNPT ports. The manufacturer part number is RMC-121-SSV.

Where to buy the Dwyer RMC-121-SSV worldwide?

You can source the Dwyer RMC-121-SSV through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this panel-mount flowmeter.

How to install the Dwyer RMC-121-SSV flowmeter?

Install the Dwyer RMC-121-SSV in a vertical orientation using the FNPT connections. Ensure the flow direction matches the arrow on the body. Use the adjustment knob to set the desired flow rate. For best accuracy, avoid upstream turbulence and follow standard piping practices for variable area flowmeters.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer panel-mount flowmeters for air & compressed gas. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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