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HARRIS Single Stage Carbon Dioxide Regulator - Air & Inert Gas Regulators
HARRISAir & Inert Gas Regulators

HARRIS Single Stage Carbon Dioxide Regulator

The HARRIS Gas Regulator: Single Stage is an air and inert gas regulator with a CGA 320 inlet connection and a 9/16"-18 M RH outlet connection. It features a Neoprene diaphragm and is designed for single-stage…

SKU 3G-OTH-358202

Also listed as: 425125320 · 425 125 320

Brand
HARRIS
Item
Single Stage Carbon Dioxide Regulator
Part Number
425-125-320
Category
Air & Inert Gas Regulators
Available to Order
Also known as:425-125-320HARRIS
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

HARRIS
Manufacturer Part Number
425-125-320
Type
CGA 320 Inlet, 125 psig, Carbon Dioxide
RH Outlet
9/16"-18 M
Inlet Connection
CGA 320
Outlet Connection
9/16"-18 M RH
Diaphragm Material
Neoprene

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

Product Description

The HARRIS Gas Regulator: Single Stage is an air and inert gas regulator with a CGA 320 inlet connection and a 9/16"-18 M RH outlet connection. It features a Neoprene diaphragm and is designed for single-stage operation. This model, manufacturer part number 425-125-320, is suitable for carbon dioxide service.

Frequently Asked Questions

What is the HARRIS 425-125-320 gas regulator used for?

The HARRIS 425-125-320 single-stage gas regulator is used to reduce and control pressure of carbon dioxide and other inert gases in welding, beverage dispensing, and industrial processes. It connects via a CGA 320 inlet and delivers a maximum outlet pressure of 125 psig.

What are the specifications of the HARRIS 425-125-320 regulator?

The HARRIS 425-125-320 is a single-stage regulator with a CGA 320 inlet and a 9/16"-18 M RH outlet. It has a neoprene diaphragm, a maximum outlet pressure of 125 psig, and is designed for carbon dioxide service. The manufacturer part number is 425-125-320.

Where to buy the HARRIS 425-125-320 regulator worldwide?

You can source the HARRIS 425-125-320 regulator 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 HARRIS part.

How to install a HARRIS single-stage gas regulator?

To install the HARRIS 425-125-320, first ensure the cylinder valve is closed. Connect the CGA 320 inlet to the cylinder hand-tight, then attach the outlet to your system using the 9/16"-18 M RH fitting. Open the cylinder valve slowly and check for leaks with soapy water before use.

Used in

Common applications for HARRIS
Gas welding and cutting — HARRIS fuel gas regulators (e.g., 25-15C-300) for acetylene supply control
High-purity gas handling — HARRIS single-stage regulators (e.g., KH1044) for inert gas distribution in labs
Brazing operations — HARRIS Safety-Silv 45 alloy for joining HVAC copper lines
Flame safety — HARRIS 88-5FBHF-RL flashback arrestors on oxy-fuel torch systems
Preheating metal — HARRIS 1390-HA Series heating tips for acetylene-based preheating in fabrication
Brazing flux application — HARRIS Stay-Silv White FB3-A flux for phos-copper brazing in refrigeration repair
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HARRIS Products

3G Electric supplies HARRIS air & inert gas regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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