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HARRIS Gas Regulator: Single Stage, CGA 346 Inlet, 9/16"-18 M RH Outlet, 125 psig - Air & Inert Gas Regulators
HARRISAir & Inert Gas Regulators

HARRIS Gas Regulator: Single Stage, CGA 346 Inlet, 9/16"-18 M RH Outlet, 125 psig

The HARRIS 425-125-346 is a single-stage gas regulator for air and inert gases, featuring a CGA 346 inlet connection and a 9/16"-18 M RH outlet connection. It is equipped with a neoprene diaphragm and is rated for…

SKU 3G-OTH-358153

Also listed as: 425125346 · 425 125 346

Brand
HARRIS
Item
Gas Regulator: Single Stage, CGA 346 Inlet, 9/16"-18 M RH Outlet, 125 psig
Category
Air & Inert Gas Regulators
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HARRIS
Manufacturer Part Number
425-125-346
Type
CGA 346 Inlet, 125 psig, Breathing Air
RH Outlet
9/16"-18 M
Inlet Connection
CGA 346
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 425-125-346 is a single-stage gas regulator for air and inert gases, featuring a CGA 346 inlet connection and a 9/16"-18 M RH outlet connection. It is equipped with a neoprene diaphragm and is rated for 125 psig outlet pressure. This regulator is designed for breathing air applications.

Frequently Asked Questions

What is the HARRIS 425-125-346 gas regulator used for?

The HARRIS 425-125-346 is a single-stage gas regulator designed for breathing air and inert gas applications. It reduces cylinder pressure to a consistent 125 psig outlet, making it suitable for respiratory protection systems, SCBA fill stations, and industrial air supply networks.

What are the specifications of the HARRIS 425-125-346 regulator?

The HARRIS 425-125-346 features a CGA 346 inlet connection and a 9/16"-18 M RH outlet. It has a neoprene diaphragm, a maximum outlet pressure rating of 125 psig, and is built for breathing air service. The single-stage design provides stable pressure control for continuous-flow applications.

Where to buy the HARRIS 425-125-346 regulator worldwide?

3G Electric supplies the HARRIS 425-125-346 regulator to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this breathing air regulator.

How to install the HARRIS 425-125-346 single-stage regulator?

Install the HARRIS 425-125-346 by connecting the CGA 346 inlet to the cylinder valve using a compatible wrench. Tighten the 9/16"-18 M RH outlet to your downstream equipment. Always verify the regulator is rated for breathing air and check for leaks with a soap solution before pressurizing.

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

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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