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HARRIS High Purity Gas Regulator: Two Stage, CGA 350 Inlet, 1/4" NPT F Outlet - High-Purity Fuel Gas Regulators
HARRISHigh-Purity Fuel Gas Regulators

HARRIS High Purity Gas Regulator: Two Stage, CGA 350 Inlet, 1/4" NPT F Outlet

The HARRIS High Purity Gas Regulator: Two Stage (SKU 55EL81, MPN 742125350A) is a high-purity fuel gas regulator with a CGA 350 inlet connection and a 1/4" NPT F outlet connection. It features a 316L Stainless Steel…

SKU 3G-OTH-356661

Brand
HARRIS
Item
High Purity Gas Regulator: Two Stage, CGA 350 Inlet, 1/4" NPT F Outlet
Category
High-Purity Fuel Gas Regulators
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Technical Specifications

HARRIS
Manufacturer Part Number
742125350A
Type
CGA 350 Inlet, 125 psig
NPT F Outlet
1/4"
Inlet Connection
CGA 350
Outlet Connection
1/4" NPT F
Diaphragm Material
316L Stainless Steel
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HARRIS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HARRIS High Purity Gas Regulator: Two Stage (SKU 55EL81, MPN 742125350A) is a high-purity fuel gas regulator with a CGA 350 inlet connection and a 1/4" NPT F outlet connection. It features a 316L Stainless Steel diaphragm and is designed for two-stage operation.

Frequently Asked Questions

What is the HARRIS High Purity Gas Regulator used for?

The HARRIS High Purity Gas Regulator (MPN 742125350A) is used to precisely control and reduce the pressure of high-purity fuel gases in industrial applications such as welding, cutting, and laboratory gas systems. Its two-stage design ensures stable output pressure even as cylinder pressure drops.

What are the specifications of the HARRIS 742125350A regulator?

The HARRIS 742125350A is a two-stage high-purity fuel gas regulator with a CGA 350 inlet connection and a 1/4" NPT F outlet connection. It features a 316L Stainless Steel diaphragm for corrosion resistance and is rated for a maximum outlet pressure of 125 psig.

Where to buy the HARRIS High Purity Gas Regulator worldwide?

You can source the HARRIS High Purity Gas Regulator (MPN 742125350A) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the regulator reaches your facility reliably.

How to install the HARRIS two-stage gas regulator?

To install the HARRIS two-stage regulator, first ensure the cylinder valve is closed. Connect the CGA 350 inlet to the cylinder, then attach the 1/4" NPT F outlet to your gas line. Tighten connections with a wrench, open the cylinder valve slowly, and check for leaks using a leak-detection solution.

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 high-purity fuel 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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