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HARRIS 425-200-346 Single-Stage Air & Inert Gas Regulator - Air & Inert Gas Regulators
HARRISAir & Inert Gas Regulators

HARRIS 425-200-346 Single-Stage Air & Inert Gas Regulator

The HARRIS Gas Regulator is a single-stage air and inert gas regulator with a CGA 346 inlet connection and a 9/16"-18 M RH outlet connection. It features a neoprene diaphragm and is designed for breathing air…

SKU 3G-OTH-358193

Also listed as: 425200346 · 425 200 346

Brand
HARRIS
Item
425-200-346 Single-Stage Air & Inert Gas Regulator
Part Number
425-200-346
Category
Air & Inert Gas Regulators
Available to Order
Also known as:425-200-346HARRIS
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HARRIS
Manufacturer Part Number
425-200-346
Type
CGA 346 Inlet, 200 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 Gas Regulator is a single-stage air and inert gas regulator with a CGA 346 inlet connection and a 9/16"-18 M RH outlet connection. It features a neoprene diaphragm and is designed for breathing air applications up to 200 psig. This model, part number 425-200-346, is suitable for industrial gas regulation.

Frequently Asked Questions

What is the HARRIS 425-200-346 gas regulator used for?

The HARRIS 425-200-346 is a single-stage gas regulator designed for breathing air and inert gas applications in industrial settings. It reduces cylinder pressure to a safe, regulated level for respiratory protection systems, pneumatic tools, or laboratory gas distribution. Its neoprene diaphragm ensures reliable performance in demanding environments.

What are the specifications of the HARRIS 425-200-346 regulator?

The HARRIS 425-200-346 is a single-stage regulator with a CGA 346 inlet and a 9/16"-18 M RH outlet. It has a maximum inlet pressure of 200 psig and features a neoprene diaphragm. This model is designed for breathing air and inert gas service, with a compact build suitable for industrial gas regulation.

Where to buy the HARRIS 425-200-346 regulator worldwide?

3G Electric supplies the HARRIS 425-200-346 regulator worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time. We source genuine HARRIS parts for breathing air and inert gas applications.

How to install the HARRIS single-stage gas regulator?

To install the HARRIS 425-200-346, first ensure the cylinder valve is closed. Connect the CGA 346 inlet to the cylinder, tightening with a wrench. Attach the 9/16"-18 M RH outlet to your system. Open the cylinder valve slowly and check for leaks using soapy water. Always follow HARRIS guidelines for safe operation.

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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